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<?php
/**
* WordPress Post Administration API.
*
* @package WordPress
* @subpackage Administration
*/
/**
* Rename $_POST data from form names to DB post columns.
*
* Manipulates $_POST directly.
*
* @since 2.6.0
*
* @param bool $update Are we updating a pre-existing post?
* @param array $post_data Array of post data. Defaults to the contents of $_POST.
* @return object|bool WP_Error on failure, true on success.
*/
function _wp_translate_postdata( $update = false, $post_data = null ) {
if ( empty( $post_data ) ) {
$post_data = &$_POST;
}
if ( $update ) {
$post_data['ID'] = (int) $post_data['post_ID'];
}
$ptype = get_post_type_object( $post_data['post_type'] );
if ( $update && ! current_user_can( 'edit_post', $post_data['ID'] ) ) {
if ( 'page' == $post_data['post_type'] ) {
return new WP_Error( 'edit_others_pages', __( 'Sorry, you are not allowed to edit pages as this user.' ) );
} else {
return new WP_Error( 'edit_others_posts', __( 'Sorry, you are not allowed to edit posts as this user.' ) );
}
} elseif ( ! $update && ! current_user_can( $ptype->cap->create_posts ) ) {
if ( 'page' == $post_data['post_type'] ) {
return new WP_Error( 'edit_others_pages', __( 'Sorry, you are not allowed to create pages as this user.' ) );
} else {
return new WP_Error( 'edit_others_posts', __( 'Sorry, you are not allowed to create posts as this user.' ) );
}
}
if ( isset( $post_data['content'] ) ) {
$post_data['post_content'] = $post_data['content'];
}
if ( isset( $post_data['excerpt'] ) ) {
$post_data['post_excerpt'] = $post_data['excerpt'];
}
if ( isset( $post_data['parent_id'] ) ) {
$post_data['post_parent'] = (int) $post_data['parent_id'];
}
if ( isset( $post_data['trackback_url'] ) ) {
$post_data['to_ping'] = $post_data['trackback_url'];
}
$post_data['user_ID'] = get_current_user_id();
if ( ! empty( $post_data['post_author_override'] ) ) {
$post_data['post_author'] = (int) $post_data['post_author_override'];
} else {
if ( ! empty( $post_data['post_author'] ) ) {
$post_data['post_author'] = (int) $post_data['post_author'];
} else {
$post_data['post_author'] = (int) $post_data['user_ID'];
}
}
if ( isset( $post_data['user_ID'] ) && ( $post_data['post_author'] != $post_data['user_ID'] )
&& ! current_user_can( $ptype->cap->edit_others_posts ) ) {
if ( $update ) {
if ( 'page' == $post_data['post_type'] ) {
return new WP_Error( 'edit_others_pages', __( 'Sorry, you are not allowed to edit pages as this user.' ) );
} else {
return new WP_Error( 'edit_others_posts', __( 'Sorry, you are not allowed to edit posts as this user.' ) );
}
} else {
if ( 'page' == $post_data['post_type'] ) {
return new WP_Error( 'edit_others_pages', __( 'Sorry, you are not allowed to create pages as this user.' ) );
} else {
return new WP_Error( 'edit_others_posts', __( 'Sorry, you are not allowed to create posts as this user.' ) );
}
}
}
if ( ! empty( $post_data['post_status'] ) ) {
$post_data['post_status'] = sanitize_key( $post_data['post_status'] );
// No longer an auto-draft
if ( 'auto-draft' === $post_data['post_status'] ) {
$post_data['post_status'] = 'draft';
}
if ( ! get_post_status_object( $post_data['post_status'] ) ) {
unset( $post_data['post_status'] );
}
}
// What to do based on which button they pressed
if ( isset( $post_data['saveasdraft'] ) && '' != $post_data['saveasdraft'] ) {
$post_data['post_status'] = 'draft';
}
if ( isset( $post_data['saveasprivate'] ) && '' != $post_data['saveasprivate'] ) {
$post_data['post_status'] = 'private';
}
if ( isset( $post_data['publish'] ) && ( '' != $post_data['publish'] ) && ( ! isset( $post_data['post_status'] ) || $post_data['post_status'] != 'private' ) ) {
$post_data['post_status'] = 'publish';
}
if ( isset( $post_data['advanced'] ) && '' != $post_data['advanced'] ) {
$post_data['post_status'] = 'draft';
}
if ( isset( $post_data['pending'] ) && '' != $post_data['pending'] ) {
$post_data['post_status'] = 'pending';
}
if ( isset( $post_data['ID'] ) ) {
$post_id = $post_data['ID'];
} else {
$post_id = false;
}
$previous_status = $post_id ? get_post_field( 'post_status', $post_id ) : false;
if ( isset( $post_data['post_status'] ) && 'private' == $post_data['post_status'] && ! current_user_can( $ptype->cap->publish_posts ) ) {
$post_data['post_status'] = $previous_status ? $previous_status : 'pending';
}
$published_statuses = array( 'publish', 'future' );
// Posts 'submitted for approval' present are submitted to $_POST the same as if they were being published.
// Change status from 'publish' to 'pending' if user lacks permissions to publish or to resave published posts.
if ( isset( $post_data['post_status'] ) && ( in_array( $post_data['post_status'], $published_statuses ) && ! current_user_can( $ptype->cap->publish_posts ) ) ) {
if ( ! in_array( $previous_status, $published_statuses ) || ! current_user_can( 'edit_post', $post_id ) ) {
$post_data['post_status'] = 'pending';
}
}
if ( ! isset( $post_data['post_status'] ) ) {
$post_data['post_status'] = 'auto-draft' === $previous_status ? 'draft' : $previous_status;
}
if ( isset( $post_data['post_password'] ) && ! current_user_can( $ptype->cap->publish_posts ) ) {
unset( $post_data['post_password'] );
}
if ( ! isset( $post_data['comment_status'] ) ) {
$post_data['comment_status'] = 'closed';
}
if ( ! isset( $post_data['ping_status'] ) ) {
$post_data['ping_status'] = 'closed';
}
foreach ( array( 'aa', 'mm', 'jj', 'hh', 'mn' ) as $timeunit ) {
if ( ! empty( $post_data[ 'hidden_' . $timeunit ] ) && $post_data[ 'hidden_' . $timeunit ] != $post_data[ $timeunit ] ) {
$post_data['edit_date'] = '1';
break;
}
}
if ( ! empty( $post_data['edit_date'] ) ) {
$aa = $post_data['aa'];
$mm = $post_data['mm'];
$jj = $post_data['jj'];
$hh = $post_data['hh'];
$mn = $post_data['mn'];
$ss = $post_data['ss'];
$aa = ( $aa <= 0 ) ? date( 'Y' ) : $aa;
$mm = ( $mm <= 0 ) ? date( 'n' ) : $mm;
$jj = ( $jj > 31 ) ? 31 : $jj;
$jj = ( $jj <= 0 ) ? date( 'j' ) : $jj;
$hh = ( $hh > 23 ) ? $hh - 24 : $hh;
$mn = ( $mn > 59 ) ? $mn - 60 : $mn;
$ss = ( $ss > 59 ) ? $ss - 60 : $ss;
$post_data['post_date'] = sprintf( '%04d-%02d-%02d %02d:%02d:%02d', $aa, $mm, $jj, $hh, $mn, $ss );
$valid_date = wp_checkdate( $mm, $jj, $aa, $post_data['post_date'] );
if ( ! $valid_date ) {
return new WP_Error( 'invalid_date', __( 'Invalid date.' ) );
}
$post_data['post_date_gmt'] = get_gmt_from_date( $post_data['post_date'] );
}
if ( isset( $post_data['post_category'] ) ) {
$category_object = get_taxonomy( 'category' );
if ( ! current_user_can( $category_object->cap->assign_terms ) ) {
unset( $post_data['post_category'] );
}
}
return $post_data;
}
/**
* Returns only allowed post data fields
*
* @since 5.0.1
*
* @param array $post_data Array of post data. Defaults to the contents of $_POST.
* @return object|bool WP_Error on failure, true on success.
*/
function _wp_get_allowed_postdata( $post_data = null ) {
if ( empty( $post_data ) ) {
$post_data = $_POST;
}
// Pass through errors
if ( is_wp_error( $post_data ) ) {
return $post_data;
}
return array_diff_key( $post_data, array_flip( array( 'meta_input', 'file', 'guid' ) ) );
}
/**
* Update an existing post with values provided in $_POST.
*
* @since 1.5.0
*
* @global wpdb $wpdb WordPress database abstraction object.
*
* @param array $post_data Optional.
* @return int Post ID.
*/
function edit_post( $post_data = null ) {
global $wpdb;
if ( empty( $post_data ) ) {
$post_data = &$_POST;
}
// Clear out any data in internal vars.
unset( $post_data['filter'] );
$post_ID = (int) $post_data['post_ID'];
$post = get_post( $post_ID );
$post_data['post_type'] = $post->post_type;
$post_data['post_mime_type'] = $post->post_mime_type;
if ( ! empty( $post_data['post_status'] ) ) {
$post_data['post_status'] = sanitize_key( $post_data['post_status'] );
if ( 'inherit' == $post_data['post_status'] ) {
unset( $post_data['post_status'] );
}
}
$ptype = get_post_type_object( $post_data['post_type'] );
if ( ! current_user_can( 'edit_post', $post_ID ) ) {
if ( 'page' == $post_data['post_type'] ) {
wp_die( __( 'Sorry, you are not allowed to edit this page.' ) );
} else {
wp_die( __( 'Sorry, you are not allowed to edit this post.' ) );
}
}
if ( post_type_supports( $ptype->name, 'revisions' ) ) {
$revisions = wp_get_post_revisions(
$post_ID,
array(
'order' => 'ASC',
'posts_per_page' => 1,
)
);
$revision = current( $revisions );
// Check if the revisions have been upgraded
if ( $revisions && _wp_get_post_revision_version( $revision ) < 1 ) {
_wp_upgrade_revisions_of_post( $post, wp_get_post_revisions( $post_ID ) );
}
}
if ( isset( $post_data['visibility'] ) ) {
switch ( $post_data['visibility'] ) {
case 'public':
$post_data['post_password'] = '';
break;
case 'password':
unset( $post_data['sticky'] );
break;
case 'private':
$post_data['post_status'] = 'private';
$post_data['post_password'] = '';
unset( $post_data['sticky'] );
break;
}
}
$post_data = _wp_translate_postdata( true, $post_data );
if ( is_wp_error( $post_data ) ) {
wp_die( $post_data->get_error_message() );
}
$translated = _wp_get_allowed_postdata( $post_data );
// Post Formats
if ( isset( $post_data['post_format'] ) ) {
set_post_format( $post_ID, $post_data['post_format'] );
}
$format_meta_urls = array( 'url', 'link_url', 'quote_source_url' );
foreach ( $format_meta_urls as $format_meta_url ) {
$keyed = '_format_' . $format_meta_url;
if ( isset( $post_data[ $keyed ] ) ) {
update_post_meta( $post_ID, $keyed, wp_slash( esc_url_raw( wp_unslash( $post_data[ $keyed ] ) ) ) );
}
}
$format_keys = array( 'quote', 'quote_source_name', 'image', 'gallery', 'audio_embed', 'video_embed' );
foreach ( $format_keys as $key ) {
$keyed = '_format_' . $key;
if ( isset( $post_data[ $keyed ] ) ) {
if ( current_user_can( 'unfiltered_html' ) ) {
update_post_meta( $post_ID, $keyed, $post_data[ $keyed ] );
} else {
update_post_meta( $post_ID, $keyed, wp_filter_post_kses( $post_data[ $keyed ] ) );
}
}
}
if ( 'attachment' === $post_data['post_type'] && preg_match( '#^(audio|video)/#', $post_data['post_mime_type'] ) ) {
$id3data = wp_get_attachment_metadata( $post_ID );
if ( ! is_array( $id3data ) ) {
$id3data = array();
}
foreach ( wp_get_attachment_id3_keys( $post, 'edit' ) as $key => $label ) {
if ( isset( $post_data[ 'id3_' . $key ] ) ) {
$id3data[ $key ] = sanitize_text_field( wp_unslash( $post_data[ 'id3_' . $key ] ) );
}
}
wp_update_attachment_metadata( $post_ID, $id3data );
}
// Meta Stuff
if ( isset( $post_data['meta'] ) && $post_data['meta'] ) {
foreach ( $post_data['meta'] as $key => $value ) {
if ( ! $meta = get_post_meta_by_id( $key ) ) {
continue;
}
if ( $meta->post_id != $post_ID ) {
continue;
}
if ( is_protected_meta( $meta->meta_key, 'post' ) || ! current_user_can( 'edit_post_meta', $post_ID, $meta->meta_key ) ) {
continue;
}
if ( is_protected_meta( $value['key'], 'post' ) || ! current_user_can( 'edit_post_meta', $post_ID, $value['key'] ) ) {
continue;
}
update_meta( $key, $value['key'], $value['value'] );
}
}
if ( isset( $post_data['deletemeta'] ) && $post_data['deletemeta'] ) {
foreach ( $post_data['deletemeta'] as $key => $value ) {
if ( ! $meta = get_post_meta_by_id( $key ) ) {
continue;
}
if ( $meta->post_id != $post_ID ) {
continue;
}
if ( is_protected_meta( $meta->meta_key, 'post' ) || ! current_user_can( 'delete_post_meta', $post_ID, $meta->meta_key ) ) {
continue;
}
delete_meta( $key );
}
}
// Attachment stuff
if ( 'attachment' == $post_data['post_type'] ) {
if ( isset( $post_data['_wp_attachment_image_alt'] ) ) {
$image_alt = wp_unslash( $post_data['_wp_attachment_image_alt'] );
if ( $image_alt != get_post_meta( $post_ID, '_wp_attachment_image_alt', true ) ) {
$image_alt = wp_strip_all_tags( $image_alt, true );
// update_meta expects slashed.
update_post_meta( $post_ID, '_wp_attachment_image_alt', wp_slash( $image_alt ) );
}
}
$attachment_data = isset( $post_data['attachments'][ $post_ID ] ) ? $post_data['attachments'][ $post_ID ] : array();
/** This filter is documented in site-admin/includes/media.php */
$translated = apply_filters( 'attachment_fields_to_save', $translated, $attachment_data );
}
// Convert taxonomy input to term IDs, to avoid ambiguity.
if ( isset( $post_data['tax_input'] ) ) {
foreach ( (array) $post_data['tax_input'] as $taxonomy => $terms ) {
$tax_object = get_taxonomy( $taxonomy );
if ( $tax_object && isset( $tax_object->meta_box_sanitize_cb ) ) {
$translated['tax_input'][ $taxonomy ] = call_user_func_array( $tax_object->meta_box_sanitize_cb, array( $taxonomy, $terms ) );
}
}
}
add_meta( $post_ID );
update_post_meta( $post_ID, '_edit_last', get_current_user_id() );
$success = wp_update_post( $translated );
// If the save failed, see if we can sanity check the main fields and try again
if ( ! $success && is_callable( array( $wpdb, 'strip_invalid_text_for_column' ) ) ) {
$fields = array( 'post_title', 'post_content', 'post_excerpt' );
foreach ( $fields as $field ) {
if ( isset( $translated[ $field ] ) ) {
$translated[ $field ] = $wpdb->strip_invalid_text_for_column( $wpdb->posts, $field, $translated[ $field ] );
}
}
wp_update_post( $translated );
}
// Now that we have an ID we can fix any attachment anchor hrefs
_fix_attachment_links( $post_ID );
wp_set_post_lock( $post_ID );
if ( current_user_can( $ptype->cap->edit_others_posts ) && current_user_can( $ptype->cap->publish_posts ) ) {
if ( ! empty( $post_data['sticky'] ) ) {
stick_post( $post_ID );
} else {
unstick_post( $post_ID );
}
}
return $post_ID;
}
/**
* Process the post data for the bulk editing of posts.
*
* Updates all bulk edited posts/pages, adding (but not removing) tags and
* categories. Skips pages when they would be their own parent or child.
*
* @since 2.7.0
*
* @global wpdb $wpdb WordPress database abstraction object.
*
* @param array $post_data Optional, the array of post data to process if not provided will use $_POST superglobal.
* @return array
*/
function bulk_edit_posts( $post_data = null ) {
global $wpdb;
if ( empty( $post_data ) ) {
$post_data = &$_POST;
}
if ( isset( $post_data['post_type'] ) ) {
$ptype = get_post_type_object( $post_data['post_type'] );
} else {
$ptype = get_post_type_object( 'post' );
}
if ( ! current_user_can( $ptype->cap->edit_posts ) ) {
if ( 'page' == $ptype->name ) {
wp_die( __( 'Sorry, you are not allowed to edit pages.' ) );
} else {
wp_die( __( 'Sorry, you are not allowed to edit posts.' ) );
}
}
if ( -1 == $post_data['_status'] ) {
$post_data['post_status'] = null;
unset( $post_data['post_status'] );
} else {
$post_data['post_status'] = $post_data['_status'];
}
unset( $post_data['_status'] );
if ( ! empty( $post_data['post_status'] ) ) {
$post_data['post_status'] = sanitize_key( $post_data['post_status'] );
if ( 'inherit' == $post_data['post_status'] ) {
unset( $post_data['post_status'] );
}
}
$post_IDs = array_map( 'intval', (array) $post_data['post'] );
$reset = array(
'post_author',
'post_status',
'post_password',
'post_parent',
'page_template',
'comment_status',
'ping_status',
'keep_private',
'tax_input',
'post_category',
'sticky',
'post_format',
);
foreach ( $reset as $field ) {
if ( isset( $post_data[ $field ] ) && ( '' == $post_data[ $field ] || -1 == $post_data[ $field ] ) ) {
unset( $post_data[ $field ] );
}
}
if ( isset( $post_data['post_category'] ) ) {
if ( is_array( $post_data['post_category'] ) && ! empty( $post_data['post_category'] ) ) {
$new_cats = array_map( 'absint', $post_data['post_category'] );
} else {
unset( $post_data['post_category'] );
}
}
$tax_input = array();
if ( isset( $post_data['tax_input'] ) ) {
foreach ( $post_data['tax_input'] as $tax_name => $terms ) {
if ( empty( $terms ) ) {
continue;
}
if ( is_taxonomy_hierarchical( $tax_name ) ) {
$tax_input[ $tax_name ] = array_map( 'absint', $terms );
} else {
$comma = _x( ',', 'tag delimiter' );
if ( ',' !== $comma ) {
$terms = str_replace( $comma, ',', $terms );
}
$tax_input[ $tax_name ] = explode( ',', trim( $terms, " \n\t\r\0\x0B," ) );
}
}
}
if ( isset( $post_data['post_parent'] ) && ( $parent = (int) $post_data['post_parent'] ) ) {
$pages = $wpdb->get_results( "SELECT ID, post_parent FROM $wpdb->posts WHERE post_type = 'page'" );
$children = array();
for ( $i = 0; $i < 50 && $parent > 0; $i++ ) {
$children[] = $parent;
foreach ( $pages as $page ) {
if ( $page->ID == $parent ) {
$parent = $page->post_parent;
break;
}
}
}
}
$updated = $skipped = $locked = array();
$shared_post_data = $post_data;
foreach ( $post_IDs as $post_ID ) {
// Start with fresh post data with each iteration.
$post_data = $shared_post_data;
$post_type_object = get_post_type_object( get_post_type( $post_ID ) );
if ( ! isset( $post_type_object ) || ( isset( $children ) && in_array( $post_ID, $children ) ) || ! current_user_can( 'edit_post', $post_ID ) ) {
$skipped[] = $post_ID;
continue;
}
if ( wp_check_post_lock( $post_ID ) ) {
$locked[] = $post_ID;
continue;
}
$post = get_post( $post_ID );
$tax_names = get_object_taxonomies( $post );
foreach ( $tax_names as $tax_name ) {
$taxonomy_obj = get_taxonomy( $tax_name );
if ( isset( $tax_input[ $tax_name ] ) && current_user_can( $taxonomy_obj->cap->assign_terms ) ) {
$new_terms = $tax_input[ $tax_name ];
} else {
$new_terms = array();
}
if ( $taxonomy_obj->hierarchical ) {
$current_terms = (array) wp_get_object_terms( $post_ID, $tax_name, array( 'fields' => 'ids' ) );
} else {
$current_terms = (array) wp_get_object_terms( $post_ID, $tax_name, array( 'fields' => 'names' ) );
}
$post_data['tax_input'][ $tax_name ] = array_merge( $current_terms, $new_terms );
}
if ( isset( $new_cats ) && in_array( 'category', $tax_names ) ) {
$cats = (array) wp_get_post_categories( $post_ID );
$post_data['post_category'] = array_unique( array_merge( $cats, $new_cats ) );
unset( $post_data['tax_input']['category'] );
}
$post_data['post_ID'] = $post_ID;
$post_data['post_type'] = $post->post_type;
$post_data['post_mime_type'] = $post->post_mime_type;
foreach ( array( 'comment_status', 'ping_status', 'post_author' ) as $field ) {
if ( ! isset( $post_data[ $field ] ) ) {
$post_data[ $field ] = $post->$field;
}
}
$post_data = _wp_translate_postdata( true, $post_data );
if ( is_wp_error( $post_data ) ) {
$skipped[] = $post_ID;
continue;
}
$post_data = _wp_get_allowed_postdata( $post_data );
if ( isset( $shared_post_data['post_format'] ) ) {
set_post_format( $post_ID, $shared_post_data['post_format'] );
}
// Prevent wp_insert_post() from overwriting post format with the old data.
unset( $post_data['tax_input']['post_format'] );
$updated[] = wp_update_post( $post_data );
if ( isset( $post_data['sticky'] ) && current_user_can( $ptype->cap->edit_others_posts ) ) {
if ( 'sticky' == $post_data['sticky'] ) {
stick_post( $post_ID );
} else {
unstick_post( $post_ID );
}
}
}
return array(
'updated' => $updated,
'skipped' => $skipped,
'locked' => $locked,
);
}
/**
* Default post information to use when populating the "Write Post" form.
*
* @since 2.0.0
*
* @param string $post_type Optional. A post type string. Default 'post'.
* @param bool $create_in_db Optional. Whether to insert the post into database. Default false.
* @return WP_Post Post object containing all the default post data as attributes
*/
function get_default_post_to_edit( $post_type = 'post', $create_in_db = false ) {
$post_title = '';
if ( ! empty( $_REQUEST['post_title'] ) ) {
$post_title = esc_html( wp_unslash( $_REQUEST['post_title'] ) );
}
$post_content = '';
if ( ! empty( $_REQUEST['content'] ) ) {
$post_content = esc_html( wp_unslash( $_REQUEST['content'] ) );
}
$post_excerpt = '';
if ( ! empty( $_REQUEST['excerpt'] ) ) {
$post_excerpt = esc_html( wp_unslash( $_REQUEST['excerpt'] ) );
}
if ( $create_in_db ) {
$post_id = wp_insert_post(
array(
'post_title' => __( 'Auto Draft' ),
'post_type' => $post_type,
'post_status' => 'auto-draft',
)
);
$post = get_post( $post_id );
if ( current_theme_supports( 'post-formats' ) && post_type_supports( $post->post_type, 'post-formats' ) && get_option( 'default_post_format' ) ) {
set_post_format( $post, get_option( 'default_post_format' ) );
}
// Schedule auto-draft cleanup
if ( ! wp_next_scheduled( 'wp_scheduled_auto_draft_delete' ) ) {
wp_schedule_event( time(), 'daily', 'wp_scheduled_auto_draft_delete' );
}
} else {
$post = new stdClass;
$post->ID = 0;
$post->post_author = '';
$post->post_date = '';
$post->post_date_gmt = '';
$post->post_password = '';
$post->post_name = '';
$post->post_type = $post_type;
$post->post_status = 'draft';
$post->to_ping = '';
$post->pinged = '';
$post->comment_status = get_default_comment_status( $post_type );
$post->ping_status = get_default_comment_status( $post_type, 'pingback' );
$post->post_pingback = get_option( 'default_pingback_flag' );
$post->post_category = get_option( 'default_category' );
$post->page_template = 'default';
$post->post_parent = 0;
$post->menu_order = 0;
$post = new WP_Post( $post );
}
/**
* Filters the default post content initially used in the "Write Post" form.
*
* @since 1.5.0
*
* @param string $post_content Default post content.
* @param WP_Post $post Post object.
*/
$post->post_content = (string) apply_filters( 'default_content', $post_content, $post );
/**
* Filters the default post title initially used in the "Write Post" form.
*
* @since 1.5.0
*
* @param string $post_title Default post title.
* @param WP_Post $post Post object.
*/
$post->post_title = (string) apply_filters( 'default_title', $post_title, $post );
/**
* Filters the default post excerpt initially used in the "Write Post" form.
*
* @since 1.5.0
*
* @param string $post_excerpt Default post excerpt.
* @param WP_Post $post Post object.
*/
$post->post_excerpt = (string) apply_filters( 'default_excerpt', $post_excerpt, $post );
return $post;
}
/**
* Determine if a post exists based on title, content, and date
*
* @since 2.0.0
*
* @global wpdb $wpdb WordPress database abstraction object.
*
* @param string $title Post title
* @param string $content Optional post content
* @param string $date Optional post date
* @return int Post ID if post exists, 0 otherwise.
*/
function post_exists( $title, $content = '', $date = '' ) {
global $wpdb;
$post_title = wp_unslash( sanitize_post_field( 'post_title', $title, 0, 'db' ) );
$post_content = wp_unslash( sanitize_post_field( 'post_content', $content, 0, 'db' ) );
$post_date = wp_unslash( sanitize_post_field( 'post_date', $date, 0, 'db' ) );
$query = "SELECT ID FROM $wpdb->posts WHERE 1=1";
$args = array();
if ( ! empty( $date ) ) {
$query .= ' AND post_date = %s';
$args[] = $post_date;
}
if ( ! empty( $title ) ) {
$query .= ' AND post_title = %s';
$args[] = $post_title;
}
if ( ! empty( $content ) ) {
$query .= ' AND post_content = %s';
$args[] = $post_content;
}
if ( ! empty( $args ) ) {
return (int) $wpdb->get_var( $wpdb->prepare( $query, $args ) );
}
return 0;
}
/**
* Creates a new post from the "Write Post" form using $_POST information.
*
* @since 2.1.0
*
* @global WP_User $current_user
*
* @return int|WP_Error
*/
function wp_write_post() {
if ( isset( $_POST['post_type'] ) ) {
$ptype = get_post_type_object( $_POST['post_type'] );
} else {
$ptype = get_post_type_object( 'post' );
}
if ( ! current_user_can( $ptype->cap->edit_posts ) ) {
if ( 'page' == $ptype->name ) {
return new WP_Error( 'edit_pages', __( 'Sorry, you are not allowed to create pages on this site.' ) );
} else {
return new WP_Error( 'edit_posts', __( 'Sorry, you are not allowed to create posts or drafts on this site.' ) );
}
}
$_POST['post_mime_type'] = '';
// Clear out any data in internal vars.
unset( $_POST['filter'] );
// Edit don't write if we have a post id.
if ( isset( $_POST['post_ID'] ) ) {
return edit_post();
}
if ( isset( $_POST['visibility'] ) ) {
switch ( $_POST['visibility'] ) {
case 'public':
$_POST['post_password'] = '';
break;
case 'password':
unset( $_POST['sticky'] );
break;
case 'private':
$_POST['post_status'] = 'private';
$_POST['post_password'] = '';
unset( $_POST['sticky'] );
break;
}
}
$translated = _wp_translate_postdata( false );
if ( is_wp_error( $translated ) ) {
return $translated;
}
$translated = _wp_get_allowed_postdata( $translated );
// Create the post.
$post_ID = wp_insert_post( $translated );
if ( is_wp_error( $post_ID ) ) {
return $post_ID;
}
if ( empty( $post_ID ) ) {
return 0;
}
add_meta( $post_ID );
add_post_meta( $post_ID, '_edit_last', $GLOBALS['current_user']->ID );
// Now that we have an ID we can fix any attachment anchor hrefs
_fix_attachment_links( $post_ID );
wp_set_post_lock( $post_ID );
return $post_ID;
}
/**
* Calls wp_write_post() and handles the errors.
*
* @since 2.0.0
*
* @return int|null
*/
function write_post() {
$result = wp_write_post();
if ( is_wp_error( $result ) ) {
wp_die( $result->get_error_message() );
} else {
return $result;
}
}
//
// Post Meta
//
/**
* Add post meta data defined in $_POST superglobal for post with given ID.
*
* @since 1.2.0
*
* @param int $post_ID
* @return int|bool
*/
function add_meta( $post_ID ) {
$post_ID = (int) $post_ID;
$metakeyselect = isset( $_POST['metakeyselect'] ) ? wp_unslash( trim( $_POST['metakeyselect'] ) ) : '';
$metakeyinput = isset( $_POST['metakeyinput'] ) ? wp_unslash( trim( $_POST['metakeyinput'] ) ) : '';
$metavalue = isset( $_POST['metavalue'] ) ? $_POST['metavalue'] : '';
if ( is_string( $metavalue ) ) {
$metavalue = trim( $metavalue );
}
if ( ( ( '#NONE#' != $metakeyselect ) && ! empty( $metakeyselect ) ) || ! empty( $metakeyinput ) ) {
/*
* We have a key/value pair. If both the select and the input
* for the key have data, the input takes precedence.
*/
if ( '#NONE#' != $metakeyselect ) {
$metakey = $metakeyselect;
}
if ( $metakeyinput ) {
$metakey = $metakeyinput; // default
}
if ( is_protected_meta( $metakey, 'post' ) || ! current_user_can( 'add_post_meta', $post_ID, $metakey ) ) {
return false;
}
$metakey = wp_slash( $metakey );
return add_post_meta( $post_ID, $metakey, $metavalue );
}
return false;
} // add_meta
/**
* Delete post meta data by meta ID.
*
* @since 1.2.0
*
* @param int $mid
* @return bool
*/
function delete_meta( $mid ) {
return delete_metadata_by_mid( 'post', $mid );
}
/**
* Get a list of previously defined keys.
*
* @since 1.2.0
*
* @global wpdb $wpdb WordPress database abstraction object.
*
* @return mixed
*/
function get_meta_keys() {
global $wpdb;
$keys = $wpdb->get_col(
"
SELECT meta_key
FROM $wpdb->postmeta
GROUP BY meta_key
ORDER BY meta_key"
);
return $keys;
}
/**
* Get post meta data by meta ID.
*
* @since 2.1.0
*
* @param int $mid
* @return object|bool
*/
function get_post_meta_by_id( $mid ) {
return get_metadata_by_mid( 'post', $mid );
}
/**
* Get meta data for the given post ID.
*
* @since 1.2.0
*
* @global wpdb $wpdb WordPress database abstraction object.
*
* @param int $postid
* @return mixed
*/
function has_meta( $postid ) {
global $wpdb;
return $wpdb->get_results(
$wpdb->prepare(
"SELECT meta_key, meta_value, meta_id, post_id
FROM $wpdb->postmeta WHERE post_id = %d
ORDER BY meta_key,meta_id",
$postid
),
ARRAY_A
);
}
/**
* Update post meta data by meta ID.
*
* @since 1.2.0
*
* @param int $meta_id
* @param string $meta_key Expect Slashed
* @param string $meta_value Expect Slashed
* @return bool
*/
function update_meta( $meta_id, $meta_key, $meta_value ) {
$meta_key = wp_unslash( $meta_key );
$meta_value = wp_unslash( $meta_value );
return update_metadata_by_mid( 'post', $meta_id, $meta_value, $meta_key );
}
//
// Private
//
/**
* Replace hrefs of attachment anchors with up-to-date permalinks.
*
* @since 2.3.0
* @access private
*
* @param int|object $post Post ID or post object.
* @return void|int|WP_Error Void if nothing fixed. 0 or WP_Error on update failure. The post ID on update success.
*/
function _fix_attachment_links( $post ) {
$post = get_post( $post, ARRAY_A );
$content = $post['post_content'];
// Don't run if no pretty permalinks or post is not published, scheduled, or privately published.
if ( ! get_option( 'permalink_structure' ) || ! in_array( $post['post_status'], array( 'publish', 'future', 'private' ) ) ) {
return;
}
// Short if there aren't any links or no '?attachment_id=' strings (strpos cannot be zero)
if ( ! strpos( $content, '?attachment_id=' ) || ! preg_match_all( '/<a ([^>]+)>[\s\S]+?<\/a>/', $content, $link_matches ) ) {
return;
}
$site_url = get_bloginfo( 'url' );
$site_url = substr( $site_url, (int) strpos( $site_url, '://' ) ); // remove the http(s)
$replace = '';
foreach ( $link_matches[1] as $key => $value ) {
if ( ! strpos( $value, '?attachment_id=' ) || ! strpos( $value, 'wp-att-' )
|| ! preg_match( '/href=(["\'])[^"\']*\?attachment_id=(\d+)[^"\']*\\1/', $value, $url_match )
|| ! preg_match( '/rel=["\'][^"\']*wp-att-(\d+)/', $value, $rel_match ) ) {
continue;
}
$quote = $url_match[1]; // the quote (single or double)
$url_id = (int) $url_match[2];
$rel_id = (int) $rel_match[1];
if ( ! $url_id || ! $rel_id || $url_id != $rel_id || strpos( $url_match[0], $site_url ) === false ) {
continue;
}
$link = $link_matches[0][ $key ];
$replace = str_replace( $url_match[0], 'href=' . $quote . get_attachment_link( $url_id ) . $quote, $link );
$content = str_replace( $link, $replace, $content );
}
if ( $replace ) {
$post['post_content'] = $content;
// Escape data pulled from DB.
$post = add_magic_quotes( $post );
return wp_update_post( $post );
}
}
/**
* Get all the possible statuses for a post_type
*
* @since 2.5.0
*
* @param string $type The post_type you want the statuses for
* @return array As array of all the statuses for the supplied post type
*/
function get_available_post_statuses( $type = 'post' ) {
$stati = wp_count_posts( $type );
return array_keys( get_object_vars( $stati ) );
}
/**
* Run the wp query to fetch the posts for listing on the edit posts page
*
* @since 2.5.0
*
* @param array|bool $q Array of query variables to use to build the query or false to use $_GET superglobal.
* @return array
*/
function wp_edit_posts_query( $q = false ) {
if ( false === $q ) {
$q = $_GET;
}
$q['m'] = isset( $q['m'] ) ? (int) $q['m'] : 0;
$q['cat'] = isset( $q['cat'] ) ? (int) $q['cat'] : 0;
$post_stati = get_post_stati();
if ( isset( $q['post_type'] ) && in_array( $q['post_type'], get_post_types() ) ) {
$post_type = $q['post_type'];
} else {
$post_type = 'post';
}
$avail_post_stati = get_available_post_statuses( $post_type );
$post_status = '';
$perm = '';
if ( isset( $q['post_status'] ) && in_array( $q['post_status'], $post_stati ) ) {
$post_status = $q['post_status'];
$perm = 'readable';
}
$orderby = '';
if ( isset( $q['orderby'] ) ) {
$orderby = $q['orderby'];
} elseif ( isset( $q['post_status'] ) && in_array( $q['post_status'], array( 'pending', 'draft' ) ) ) {
$orderby = 'modified';
}
$order = '';
if ( isset( $q['order'] ) ) {
$order = $q['order'];
} elseif ( isset( $q['post_status'] ) && 'pending' == $q['post_status'] ) {
$order = 'ASC';
}
$per_page = "edit_{$post_type}_per_page";
$posts_per_page = (int) get_user_option( $per_page );
if ( empty( $posts_per_page ) || $posts_per_page < 1 ) {
$posts_per_page = 20;
}
/**
* Filters the number of items per page to show for a specific 'per_page' type.
*
* The dynamic portion of the hook name, `$post_type`, refers to the post type.
*
* Some examples of filter hooks generated here include: 'edit_attachment_per_page',
* 'edit_post_per_page', 'edit_page_per_page', etc.
*
* @since 3.0.0
*
* @param int $posts_per_page Number of posts to display per page for the given post
* type. Default 20.
*/
$posts_per_page = apply_filters( "edit_{$post_type}_per_page", $posts_per_page );
/**
* Filters the number of posts displayed per page when specifically listing "posts".
*
* @since 2.8.0
*
* @param int $posts_per_page Number of posts to be displayed. Default 20.
* @param string $post_type The post type.
*/
$posts_per_page = apply_filters( 'edit_posts_per_page', $posts_per_page, $post_type );
$query = compact( 'post_type', 'post_status', 'perm', 'order', 'orderby', 'posts_per_page' );
// Hierarchical types require special args.
if ( is_post_type_hierarchical( $post_type ) && empty( $orderby ) ) {
$query['orderby'] = 'menu_order title';
$query['order'] = 'asc';
$query['posts_per_page'] = -1;
$query['posts_per_archive_page'] = -1;
$query['fields'] = 'id=>parent';
}
if ( ! empty( $q['show_sticky'] ) ) {
$query['post__in'] = (array) get_option( 'sticky_posts' );
}
wp( $query );
return $avail_post_stati;
}
/**
* Get all available post MIME types for a given post type.
*
* @since 2.5.0
*
* @global wpdb $wpdb WordPress database abstraction object.
*
* @param string $type
* @return mixed
*/
function get_available_post_mime_types( $type = 'attachment' ) {
global $wpdb;
$types = $wpdb->get_col( $wpdb->prepare( "SELECT DISTINCT post_mime_type FROM $wpdb->posts WHERE post_type = %s", $type ) );
return $types;
}
/**
* Get the query variables for the current attachments request.
*
* @since 4.2.0
*
* @param array|false $q Optional. Array of query variables to use to build the query or false
* to use $_GET superglobal. Default false.
* @return array The parsed query vars.
*/
function wp_edit_attachments_query_vars( $q = false ) {
if ( false === $q ) {
$q = $_GET;
}
$q['m'] = isset( $q['m'] ) ? (int) $q['m'] : 0;
$q['cat'] = isset( $q['cat'] ) ? (int) $q['cat'] : 0;
$q['post_type'] = 'attachment';
$post_type = get_post_type_object( 'attachment' );
$states = 'inherit';
if ( current_user_can( $post_type->cap->read_private_posts ) ) {
$states .= ',private';
}
$q['post_status'] = isset( $q['status'] ) && 'trash' == $q['status'] ? 'trash' : $states;
$q['post_status'] = isset( $q['attachment-filter'] ) && 'trash' == $q['attachment-filter'] ? 'trash' : $states;
$media_per_page = (int) get_user_option( 'upload_per_page' );
if ( empty( $media_per_page ) || $media_per_page < 1 ) {
$media_per_page = 20;
}
/**
* Filters the number of items to list per page when listing media items.
*
* @since 2.9.0
*
* @param int $media_per_page Number of media to list. Default 20.
*/
$q['posts_per_page'] = apply_filters( 'upload_per_page', $media_per_page );
$post_mime_types = get_post_mime_types();
if ( isset( $q['post_mime_type'] ) && ! array_intersect( (array) $q['post_mime_type'], array_keys( $post_mime_types ) ) ) {
unset( $q['post_mime_type'] );
}
foreach ( array_keys( $post_mime_types ) as $type ) {
if ( isset( $q['attachment-filter'] ) && "post_mime_type:$type" == $q['attachment-filter'] ) {
$q['post_mime_type'] = $type;
break;
}
}
if ( isset( $q['detached'] ) || ( isset( $q['attachment-filter'] ) && 'detached' == $q['attachment-filter'] ) ) {
$q['post_parent'] = 0;
}
if ( isset( $q['mine'] ) || ( isset( $q['attachment-filter'] ) && 'mine' == $q['attachment-filter'] ) ) {
$q['author'] = get_current_user_id();
}
// Filter query clauses to include filenames.
if ( isset( $q['s'] ) ) {
add_filter( 'posts_clauses', '_filter_query_attachment_filenames' );
}
return $q;
}
/**
* Executes a query for attachments. An array of WP_Query arguments
* can be passed in, which will override the arguments set by this function.
*
* @since 2.5.0
*
* @param array|false $q Array of query variables to use to build the query or false to use $_GET superglobal.
* @return array
*/
function wp_edit_attachments_query( $q = false ) {
wp( wp_edit_attachments_query_vars( $q ) );
$post_mime_types = get_post_mime_types();
$avail_post_mime_types = get_available_post_mime_types( 'attachment' );
return array( $post_mime_types, $avail_post_mime_types );
}
/**
* Returns the list of classes to be used by a meta box.
*
* @since 2.5.0
*
* @param string $id
* @param string $page
* @return string
*/
function postbox_classes( $id, $page ) {
if ( isset( $_GET['edit'] ) && $_GET['edit'] == $id ) {
$classes = array( '' );
} elseif ( $closed = get_user_option( 'closedpostboxes_' . $page ) ) {
if ( ! is_array( $closed ) ) {
$classes = array( '' );
} else {
$classes = in_array( $id, $closed ) ? array( 'closed' ) : array( '' );
}
} else {
$classes = array( '' );
}
/**
* Filters the postbox classes for a specific screen and screen ID combo.
*
* The dynamic portions of the hook name, `$page` and `$id`, refer to
* the screen and screen ID, respectively.
*
* @since 3.2.0
*
* @param string[] $classes An array of postbox classes.
*/
$classes = apply_filters( "postbox_classes_{$page}_{$id}", $classes );
return implode( ' ', $classes );
}
/**
* Get a sample permalink based off of the post name.
*
* @since 2.5.0
*
* @param int $id Post ID or post object.
* @param string $title Optional. Title to override the post's current title when generating the post name. Default null.
* @param string $name Optional. Name to override the post name. Default null.
* @return array Array containing the sample permalink with placeholder for the post name, and the post name.
*/
function get_sample_permalink( $id, $title = null, $name = null ) {
$post = get_post( $id );
if ( ! $post ) {
return array( '', '' );
}
$ptype = get_post_type_object( $post->post_type );
$original_status = $post->post_status;
$original_date = $post->post_date;
$original_name = $post->post_name;
// Hack: get_permalink() would return ugly permalink for drafts, so we will fake that our post is published.
if ( in_array( $post->post_status, array( 'draft', 'pending', 'future' ) ) ) {
$post->post_status = 'publish';
$post->post_name = sanitize_title( $post->post_name ? $post->post_name : $post->post_title, $post->ID );
}
// If the user wants to set a new name -- override the current one
// Note: if empty name is supplied -- use the title instead, see #6072
if ( ! is_null( $name ) ) {
$post->post_name = sanitize_title( $name ? $name : $title, $post->ID );
}
$post->post_name = wp_unique_post_slug( $post->post_name, $post->ID, $post->post_status, $post->post_type, $post->post_parent );
$post->filter = 'sample';
$permalink = get_permalink( $post, true );
// Replace custom post_type Token with generic pagename token for ease of use.
$permalink = str_replace( "%$post->post_type%", '%pagename%', $permalink );
// Handle page hierarchy
if ( $ptype->hierarchical ) {
$uri = get_page_uri( $post );
if ( $uri ) {
$uri = untrailingslashit( $uri );
$uri = strrev( stristr( strrev( $uri ), '/' ) );
$uri = untrailingslashit( $uri );
}
/** This filter is documented in site-admin/edit-tag-form.php */
$uri = apply_filters( 'editable_slug', $uri, $post );
if ( ! empty( $uri ) ) {
$uri .= '/';
}
$permalink = str_replace( '%pagename%', "{$uri}%pagename%", $permalink );
}
/** This filter is documented in site-admin/edit-tag-form.php */
$permalink = array( $permalink, apply_filters( 'editable_slug', $post->post_name, $post ) );
$post->post_status = $original_status;
$post->post_date = $original_date;
$post->post_name = $original_name;
unset( $post->filter );
/**
* Filters the sample permalink.
*
* @since 4.4.0
*
* @param array $permalink Array containing the sample permalink with placeholder for the post name, and the post name.
* @param int $post_id Post ID.
* @param string $title Post title.
* @param string $name Post name (slug).
* @param WP_Post $post Post object.
*/
return apply_filters( 'get_sample_permalink', $permalink, $post->ID, $title, $name, $post );
}
/**
* Returns the HTML of the sample permalink slug editor.
*
* @since 2.5.0
*
* @param int $id Post ID or post object.
* @param string $new_title Optional. New title. Default null.
* @param string $new_slug Optional. New slug. Default null.
* @return string The HTML of the sample permalink slug editor.
*/
function get_sample_permalink_html( $id, $new_title = null, $new_slug = null ) {
$post = get_post( $id );
if ( ! $post ) {
return '';
}
list($permalink, $post_name) = get_sample_permalink( $post->ID, $new_title, $new_slug );
$view_link = false;
$preview_target = '';
if ( current_user_can( 'read_post', $post->ID ) ) {
if ( 'draft' === $post->post_status || empty( $post->post_name ) ) {
$view_link = get_preview_post_link( $post );
$preview_target = " target='wp-preview-{$post->ID}'";
} else {
if ( 'publish' === $post->post_status || 'attachment' === $post->post_type ) {
$view_link = get_permalink( $post );
} else {
// Allow non-published (private, future) to be viewed at a pretty permalink, in case $post->post_name is set
$view_link = str_replace( array( '%pagename%', '%postname%' ), $post->post_name, $permalink );
}
}
}
// Permalinks without a post/page name placeholder don't have anything to edit
if ( false === strpos( $permalink, '%postname%' ) && false === strpos( $permalink, '%pagename%' ) ) {
$return = '<strong>' . __( 'Permalink:' ) . "</strong>\n";
if ( false !== $view_link ) {
$display_link = urldecode( $view_link );
$return .= '<a id="sample-permalink" href="' . esc_url( $view_link ) . '"' . $preview_target . '>' . esc_html( $display_link ) . "</a>\n";
} else {
$return .= '<span id="sample-permalink">' . $permalink . "</span>\n";
}
// Encourage a pretty permalink setting
if ( '' == get_option( 'permalink_structure' ) && current_user_can( 'manage_options' ) && ! ( 'page' == get_option( 'show_on_front' ) && $id == get_option( 'page_on_front' ) ) ) {
$return .= '<span id="change-permalinks"><a href="options-permalink.php" class="button button-small" target="_blank">' . __( 'Change Permalinks' ) . "</a></span>\n";
}
} else {
if ( mb_strlen( $post_name ) > 34 ) {
$post_name_abridged = mb_substr( $post_name, 0, 16 ) . '…' . mb_substr( $post_name, -16 );
} else {
$post_name_abridged = $post_name;
}
$post_name_html = '<span id="editable-post-name">' . esc_html( $post_name_abridged ) . '</span>';
$display_link = str_replace( array( '%pagename%', '%postname%' ), $post_name_html, esc_html( urldecode( $permalink ) ) );
$return = '<strong>' . __( 'Permalink:' ) . "</strong>\n";
$return .= '<span id="sample-permalink"><a href="' . esc_url( $view_link ) . '"' . $preview_target . '>' . $display_link . "</a></span>\n";
$return .= '‎'; // Fix bi-directional text display defect in RTL languages.
$return .= '<span id="edit-slug-buttons"><button type="button" class="edit-slug button button-small hide-if-no-js" aria-label="' . __( 'Edit permalink' ) . '">' . __( 'Edit' ) . "</button></span>\n";
$return .= '<span id="editable-post-name-full">' . esc_html( $post_name ) . "</span>\n";
}
/**
* Filters the sample permalink HTML markup.
*
* @since 2.9.0
* @since 4.4.0 Added `$post` parameter.
*
* @param string $return Sample permalink HTML markup.
* @param int $post_id Post ID.
* @param string $new_title New sample permalink title.
* @param string $new_slug New sample permalink slug.
* @param WP_Post $post Post object.
*/
$return = apply_filters( 'get_sample_permalink_html', $return, $post->ID, $new_title, $new_slug, $post );
return $return;
}
/**
* Output HTML for the post thumbnail meta-box.
*
* @since 2.9.0
*
* @param int $thumbnail_id ID of the attachment used for thumbnail
* @param mixed $post The post ID or object associated with the thumbnail, defaults to global $post.
* @return string html
*/
function _wp_post_thumbnail_html( $thumbnail_id = null, $post = null ) {
$_wp_additional_image_sizes = wp_get_additional_image_sizes();
$post = get_post( $post );
$post_type_object = get_post_type_object( $post->post_type );
$set_thumbnail_link = '<p class="hide-if-no-js"><a href="%s" id="set-post-thumbnail"%s class="thickbox">%s</a></p>';
$upload_iframe_src = get_upload_iframe_src( 'image', $post->ID );
$content = sprintf(
$set_thumbnail_link,
esc_url( $upload_iframe_src ),
'', // Empty when there's no featured image set, `aria-describedby` attribute otherwise.
esc_html( $post_type_object->labels->set_featured_image )
);
if ( $thumbnail_id && get_post( $thumbnail_id ) ) {
$size = isset( $_wp_additional_image_sizes['post-thumbnail'] ) ? 'post-thumbnail' : array( 266, 266 );
/**
* Filters the size used to display the post thumbnail image in the 'Featured Image' meta box.
*
* Note: When a theme adds 'post-thumbnail' support, a special 'post-thumbnail'
* image size is registered, which differs from the 'thumbnail' image size
* managed via the Settings > Media screen. See the `$size` parameter description
* for more information on default values.
*
* @since 4.4.0
*
* @param string|array $size Post thumbnail image size to display in the meta box. Accepts any valid
* image size, or an array of width and height values in pixels (in that order).
* If the 'post-thumbnail' size is set, default is 'post-thumbnail'. Otherwise,
* default is an array with 266 as both the height and width values.
* @param int $thumbnail_id Post thumbnail attachment ID.
* @param WP_Post $post The post object associated with the thumbnail.
*/
$size = apply_filters( 'admin_post_thumbnail_size', $size, $thumbnail_id, $post );
$thumbnail_html = wp_get_attachment_image( $thumbnail_id, $size );
if ( ! empty( $thumbnail_html ) ) {
$content = sprintf(
$set_thumbnail_link,
esc_url( $upload_iframe_src ),
' aria-describedby="set-post-thumbnail-desc"',
$thumbnail_html
);
$content .= '<p class="hide-if-no-js howto" id="set-post-thumbnail-desc">' . __( 'Click the image to edit or update' ) . '</p>';
$content .= '<p class="hide-if-no-js"><a href="#" id="remove-post-thumbnail">' . esc_html( $post_type_object->labels->remove_featured_image ) . '</a></p>';
}
}
$content .= '<input type="hidden" id="_thumbnail_id" name="_thumbnail_id" value="' . esc_attr( $thumbnail_id ? $thumbnail_id : '-1' ) . '" />';
/**
* Filters the admin post thumbnail HTML markup to return.
*
* @since 2.9.0
* @since 3.5.0 Added the `$post_id` parameter.
* @since 4.6.0 Added the `$thumbnail_id` parameter.
*
* @param string $content Admin post thumbnail HTML markup.
* @param int $post_id Post ID.
* @param int|null $thumbnail_id Thumbnail attachment ID, or null if there isn't one.
*/
return apply_filters( 'admin_post_thumbnail_html', $content, $post->ID, $thumbnail_id );
}
/**
* Check to see if the post is currently being edited by another user.
*
* @since 2.5.0
*
* @param int $post_id ID of the post to check for editing.
* @return int|false ID of the user with lock. False if the post does not exist, post is not locked,
* the user with lock does not exist, or the post is locked by current user.
*/
function wp_check_post_lock( $post_id ) {
if ( ! $post = get_post( $post_id ) ) {
return false;
}
if ( ! $lock = get_post_meta( $post->ID, '_edit_lock', true ) ) {
return false;
}
$lock = explode( ':', $lock );
$time = $lock[0];
$user = isset( $lock[1] ) ? $lock[1] : get_post_meta( $post->ID, '_edit_last', true );
if ( ! get_userdata( $user ) ) {
return false;
}
/** This filter is documented in site-admin/includes/ajax-actions.php */
$time_window = apply_filters( 'wp_check_post_lock_window', 150 );
if ( $time && $time > time() - $time_window && $user != get_current_user_id() ) {
return $user;
}
return false;
}
/**
* Mark the post as currently being edited by the current user
*
* @since 2.5.0
*
* @param int $post_id ID of the post being edited.
* @return array|false Array of the lock time and user ID. False if the post does not exist, or
* there is no current user.
*/
function wp_set_post_lock( $post_id ) {
if ( ! $post = get_post( $post_id ) ) {
return false;
}
if ( 0 == ( $user_id = get_current_user_id() ) ) {
return false;
}
$now = time();
$lock = "$now:$user_id";
update_post_meta( $post->ID, '_edit_lock', $lock );
return array( $now, $user_id );
}
/**
* Outputs the HTML for the notice to say that someone else is editing or has taken over editing of this post.
*
* @since 2.8.5
* @return none
*/
function _admin_notice_post_locked() {
if ( ! $post = get_post() ) {
return;
}
$user = null;
if ( $user_id = wp_check_post_lock( $post->ID ) ) {
$user = get_userdata( $user_id );
}
if ( $user ) {
/**
* Filters whether to show the post locked dialog.
*
* Returning a falsey value to the filter will short-circuit displaying the dialog.
*
* @since 3.6.0
*
* @param bool $display Whether to display the dialog. Default true.
* @param WP_Post $post Post object.
* @param WP_User|bool $user WP_User object on success, false otherwise.
*/
if ( ! apply_filters( 'show_post_locked_dialog', true, $post, $user ) ) {
return;
}
$locked = true;
} else {
$locked = false;
}
if ( $locked && ( $sendback = wp_get_referer() ) &&
false === strpos( $sendback, 'post.php' ) && false === strpos( $sendback, 'post-new.php' ) ) {
$sendback_text = __( 'Go back' );
} else {
$sendback = admin_url( 'edit.php' );
if ( 'post' != $post->post_type ) {
$sendback = add_query_arg( 'post_type', $post->post_type, $sendback );
}
$sendback_text = get_post_type_object( $post->post_type )->labels->all_items;
}
$hidden = $locked ? '' : ' hidden';
?>
<div id="post-lock-dialog" class="notification-dialog-wrap<?php echo $hidden; ?>">
<div class="notification-dialog-background"></div>
<div class="notification-dialog">
<?php
if ( $locked ) {
$query_args = array();
if ( get_post_type_object( $post->post_type )->public ) {
if ( 'publish' == $post->post_status || $user->ID != $post->post_author ) {
// Latest content is in autosave
$nonce = wp_create_nonce( 'post_preview_' . $post->ID );
$query_args['preview_id'] = $post->ID;
$query_args['preview_nonce'] = $nonce;
}
}
$preview_link = get_preview_post_link( $post->ID, $query_args );
/**
* Filters whether to allow the post lock to be overridden.
*
* Returning a falsey value to the filter will disable the ability
* to override the post lock.
*
* @since 3.6.0
*
* @param bool $override Whether to allow overriding post locks. Default true.
* @param WP_Post $post Post object.
* @param WP_User $user User object.
*/
$override = apply_filters( 'override_post_lock', true, $post, $user );
$tab_last = $override ? '' : ' wp-tab-last';
?>
<div class="post-locked-message">
<div class="post-locked-avatar"><?php echo get_avatar( $user->ID, 64 ); ?></div>
<p class="currently-editing wp-tab-first" tabindex="0">
<?php
if ( $override ) {
/* translators: %s: user's display name */
printf( __( '%s is already editing this post. Do you want to take over?' ), esc_html( $user->display_name ) );
} else {
/* translators: %s: user's display name */
printf( __( '%s is already editing this post.' ), esc_html( $user->display_name ) );
}
?>
</p>
<?php
/**
* Fires inside the post locked dialog before the buttons are displayed.
*
* @since 3.6.0
*
* @param WP_Post $post Post object.
*/
do_action( 'post_locked_dialog', $post );
?>
<p>
<a class="button" href="<?php echo esc_url( $sendback ); ?>"><?php echo $sendback_text; ?></a>
<?php if ( $preview_link ) { ?>
<a class="button<?php echo $tab_last; ?>" href="<?php echo esc_url( $preview_link ); ?>"><?php _e( 'Preview' ); ?></a>
<?php
}
// Allow plugins to prevent some users overriding the post lock
if ( $override ) {
?>
<a class="button button-primary wp-tab-last" href="<?php echo esc_url( add_query_arg( 'get-post-lock', '1', wp_nonce_url( get_edit_post_link( $post->ID, 'url' ), 'lock-post_' . $post->ID ) ) ); ?>"><?php _e( 'Take over' ); ?></a>
<?php
}
?>
</p>
</div>
<?php
} else {
?>
<div class="post-taken-over">
<div class="post-locked-avatar"></div>
<p class="wp-tab-first" tabindex="0">
<span class="currently-editing"></span><br />
<span class="locked-saving hidden"><img src="<?php echo esc_url( admin_url( 'images/spinner-2x.gif' ) ); ?>" width="16" height="16" alt="" /> <?php _e( 'Saving revision…' ); ?></span>
<span class="locked-saved hidden"><?php _e( 'Your latest changes were saved as a revision.' ); ?></span>
</p>
<?php
/**
* Fires inside the dialog displayed when a user has lost the post lock.
*
* @since 3.6.0
*
* @param WP_Post $post Post object.
*/
do_action( 'post_lock_lost_dialog', $post );
?>
<p><a class="button button-primary wp-tab-last" href="<?php echo esc_url( $sendback ); ?>"><?php echo $sendback_text; ?></a></p>
</div>
<?php
}
?>
</div>
</div>
<?php
}
/**
* Creates autosave data for the specified post from $_POST data.
*
* @since 2.6.0
*
* @param mixed $post_data Associative array containing the post data or int post ID.
* @return mixed The autosave revision ID. WP_Error or 0 on error.
*/
function wp_create_post_autosave( $post_data ) {
if ( is_numeric( $post_data ) ) {
$post_id = $post_data;
$post_data = $_POST;
} else {
$post_id = (int) $post_data['post_ID'];
}
$post_data = _wp_translate_postdata( true, $post_data );
if ( is_wp_error( $post_data ) ) {
return $post_data;
}
$post_data = _wp_get_allowed_postdata( $post_data );
$post_author = get_current_user_id();
// Store one autosave per author. If there is already an autosave, overwrite it.
if ( $old_autosave = wp_get_post_autosave( $post_id, $post_author ) ) {
$new_autosave = _wp_post_revision_data( $post_data, true );
$new_autosave['ID'] = $old_autosave->ID;
$new_autosave['post_author'] = $post_author;
// If the new autosave has the same content as the post, delete the autosave.
$post = get_post( $post_id );
$autosave_is_different = false;
foreach ( array_intersect( array_keys( $new_autosave ), array_keys( _wp_post_revision_fields( $post ) ) ) as $field ) {
if ( normalize_whitespace( $new_autosave[ $field ] ) != normalize_whitespace( $post->$field ) ) {
$autosave_is_different = true;
break;
}
}
if ( ! $autosave_is_different ) {
wp_delete_post_revision( $old_autosave->ID );
return 0;
}
/**
* Fires before an autosave is stored.
*
* @since 4.1.0
*
* @param array $new_autosave Post array - the autosave that is about to be saved.
*/
do_action( 'wp_creating_autosave', $new_autosave );
return wp_update_post( $new_autosave );
}
// _wp_put_post_revision() expects unescaped.
$post_data = wp_unslash( $post_data );
// Otherwise create the new autosave as a special post revision
return _wp_put_post_revision( $post_data, true );
}
/**
* Saves a draft or manually autosaves for the purpose of showing a post preview.
*
* @since 2.7.0
*
* @return string URL to redirect to show the preview.
*/
function post_preview() {
$post_ID = (int) $_POST['post_ID'];
$_POST['ID'] = $post_ID;
if ( ! $post = get_post( $post_ID ) ) {
wp_die( __( 'Sorry, you are not allowed to edit this post.' ) );
}
if ( ! current_user_can( 'edit_post', $post->ID ) ) {
wp_die( __( 'Sorry, you are not allowed to edit this post.' ) );
}
$is_autosave = false;
if ( ! wp_check_post_lock( $post->ID ) && get_current_user_id() == $post->post_author && ( 'draft' == $post->post_status || 'auto-draft' == $post->post_status ) ) {
$saved_post_id = edit_post();
} else {
$is_autosave = true;
if ( isset( $_POST['post_status'] ) && 'auto-draft' == $_POST['post_status'] ) {
$_POST['post_status'] = 'draft';
}
$saved_post_id = wp_create_post_autosave( $post->ID );
}
if ( is_wp_error( $saved_post_id ) ) {
wp_die( $saved_post_id->get_error_message() );
}
$query_args = array();
if ( $is_autosave && $saved_post_id ) {
$query_args['preview_id'] = $post->ID;
$query_args['preview_nonce'] = wp_create_nonce( 'post_preview_' . $post->ID );
if ( isset( $_POST['post_format'] ) ) {
$query_args['post_format'] = empty( $_POST['post_format'] ) ? 'standard' : sanitize_key( $_POST['post_format'] );
}
if ( isset( $_POST['_thumbnail_id'] ) ) {
$query_args['_thumbnail_id'] = ( intval( $_POST['_thumbnail_id'] ) <= 0 ) ? '-1' : intval( $_POST['_thumbnail_id'] );
}
}
return get_preview_post_link( $post, $query_args );
}
/**
* Save a post submitted with XHR
*
* Intended for use with heartbeat and autosave.js
*
* @since 3.9.0
*
* @param array $post_data Associative array of the submitted post data.
* @return mixed The value 0 or WP_Error on failure. The saved post ID on success.
* The ID can be the draft post_id or the autosave revision post_id.
*/
function wp_autosave( $post_data ) {
// Back-compat
if ( ! defined( 'DOING_AUTOSAVE' ) ) {
define( 'DOING_AUTOSAVE', true );
}
$post_id = (int) $post_data['post_id'];
$post_data['ID'] = $post_data['post_ID'] = $post_id;
if ( false === wp_verify_nonce( $post_data['_wpnonce'], 'update-post_' . $post_id ) ) {
return new WP_Error( 'invalid_nonce', __( 'Error while saving.' ) );
}
$post = get_post( $post_id );
if ( ! current_user_can( 'edit_post', $post->ID ) ) {
return new WP_Error( 'edit_posts', __( 'Sorry, you are not allowed to edit this item.' ) );
}
if ( 'auto-draft' == $post->post_status ) {
$post_data['post_status'] = 'draft';
}
if ( $post_data['post_type'] != 'page' && ! empty( $post_data['catslist'] ) ) {
$post_data['post_category'] = explode( ',', $post_data['catslist'] );
}
if ( ! wp_check_post_lock( $post->ID ) && get_current_user_id() == $post->post_author && ( 'auto-draft' == $post->post_status || 'draft' == $post->post_status ) ) {
// Drafts and auto-drafts are just overwritten by autosave for the same user if the post is not locked
return edit_post( wp_slash( $post_data ) );
} else {
// Non drafts or other users drafts are not overwritten. The autosave is stored in a special post revision for each user.
return wp_create_post_autosave( wp_slash( $post_data ) );
}
}
/**
* Redirect to previous page.
*
* @param int $post_id Optional. Post ID.
*/
function redirect_post( $post_id = '' ) {
if ( isset( $_POST['save'] ) || isset( $_POST['publish'] ) ) {
$status = get_post_status( $post_id );
if ( isset( $_POST['publish'] ) ) {
switch ( $status ) {
case 'pending':
$message = 8;
break;
case 'future':
$message = 9;
break;
default:
$message = 6;
}
} else {
$message = 'draft' == $status ? 10 : 1;
}
$location = add_query_arg( 'message', $message, get_edit_post_link( $post_id, 'url' ) );
} elseif ( isset( $_POST['addmeta'] ) && $_POST['addmeta'] ) {
$location = add_query_arg( 'message', 2, wp_get_referer() );
$location = explode( '#', $location );
$location = $location[0] . '#postcustom';
} elseif ( isset( $_POST['deletemeta'] ) && $_POST['deletemeta'] ) {
$location = add_query_arg( 'message', 3, wp_get_referer() );
$location = explode( '#', $location );
$location = $location[0] . '#postcustom';
} else {
$location = add_query_arg( 'message', 4, get_edit_post_link( $post_id, 'url' ) );
}
/**
* Filters the post redirect destination URL.
*
* @since 2.9.0
*
* @param string $location The destination URL.
* @param int $post_id The post ID.
*/
wp_redirect( apply_filters( 'redirect_post_location', $location, $post_id ) );
exit;
}
/**
* Sanitizes POST values from a checkbox taxonomy metabox.
*
* @since 5.1.0
*
* @param mixed $terms Raw term data from the 'tax_input' field.
* @return array
*/
function taxonomy_meta_box_sanitize_cb_checkboxes( $taxonomy, $terms ) {
return array_map( 'intval', $terms );
}
/**
* Sanitizes POST values from an input taxonomy metabox.
*
* @since 5.1.0
*
* @param mixed $terms Raw term data from the 'tax_input' field.
* @return array
*/
function taxonomy_meta_box_sanitize_cb_input( $taxonomy, $terms ) {
/*
* Assume that a 'tax_input' string is a comma-separated list of term names.
* Some languages may use a character other than a comma as a delimiter, so we standardize on
* commas before parsing the list.
*/
if ( ! is_array( $terms ) ) {
$comma = _x( ',', 'tag delimiter' );
if ( ',' !== $comma ) {
$terms = str_replace( $comma, ',', $terms );
}
$terms = explode( ',', trim( $terms, " \n\t\r\0\x0B," ) );
}
$clean_terms = array();
foreach ( $terms as $term ) {
// Empty terms are invalid input.
if ( empty( $term ) ) {
continue;
}
$_term = get_terms(
$taxonomy,
array(
'name' => $term,
'fields' => 'ids',
'hide_empty' => false,
)
);
if ( ! empty( $_term ) ) {
$clean_terms[] = intval( $_term[0] );
} else {
// No existing term was found, so pass the string. A new term will be created.
$clean_terms[] = $term;
}
}
return $clean_terms;
}
/**
* Return whether the post can be edited in the block editor.
*
* @since 5.0.0
*
* @param int|WP_Post $post Post ID or WP_Post object.
* @return bool Whether the post can be edited in the block editor.
*/
function use_block_editor_for_post( $post ) {
$post = get_post( $post );
if ( ! $post ) {
return false;
}
// We're in the meta box loader, so don't use the block editor.
if ( isset( $_GET['meta-box-loader'] ) ) {
check_admin_referer( 'meta-box-loader' );
return false;
}
// The posts page can't be edited in the block editor.
if ( absint( get_option( 'page_for_posts' ) ) === $post->ID && empty( $post->post_content ) ) {
return false;
}
$use_block_editor = use_block_editor_for_post_type( $post->post_type );
/**
* Filter whether a post is able to be edited in the block editor.
*
* @since 5.0.0
*
* @param bool $use_block_editor Whether the post can be edited or not.
* @param WP_Post $post The post being checked.
*/
return apply_filters( 'use_block_editor_for_post', $use_block_editor, $post );
}
/**
* Return whether a post type is compatible with the block editor.
*
* The block editor depends on the REST API, and if the post type is not shown in the
* REST API, then it won't work with the block editor.
*
* @since 5.0.0
*
* @param string $post_type The post type.
* @return bool Whether the post type can be edited with the block editor.
*/
function use_block_editor_for_post_type( $post_type ) {
if ( ! post_type_exists( $post_type ) ) {
return false;
}
if ( ! post_type_supports( $post_type, 'editor' ) ) {
return false;
}
$post_type_object = get_post_type_object( $post_type );
if ( $post_type_object && ! $post_type_object->show_in_rest ) {
return false;
}
/**
* Filter whether a post is able to be edited in the block editor.
*
* @since 5.0.0
*
* @param bool $use_block_editor Whether the post type can be edited or not. Default true.
* @param string $post_type The post type being checked.
*/
return apply_filters( 'use_block_editor_for_post_type', true, $post_type );
}
/**
* Returns all the block categories that will be shown in the block editor.
*
* @since 5.0.0
*
* @param WP_Post $post Post object.
* @return array Array of block categories.
*/
function get_block_categories( $post ) {
$default_categories = array(
array(
'slug' => 'common',
'title' => __( 'Common Blocks' ),
'icon' => null,
),
array(
'slug' => 'formatting',
'title' => __( 'Formatting' ),
'icon' => null,
),
array(
'slug' => 'layout',
'title' => __( 'Layout Elements' ),
'icon' => null,
),
array(
'slug' => 'widgets',
'title' => __( 'Widgets' ),
'icon' => null,
),
array(
'slug' => 'embed',
'title' => __( 'Embeds' ),
'icon' => null,
),
array(
'slug' => 'reusable',
'title' => __( 'Reusable Blocks' ),
'icon' => null,
),
);
/**
* Filter the default array of block categories.
*
* @since 5.0.0
*
* @param array $default_categories Array of block categories.
* @param WP_Post $post Post being loaded.
*/
return apply_filters( 'block_categories', $default_categories, $post );
}
/**
* Prepares server-registered blocks for the block editor.
*
* Returns an associative array of registered block data keyed by block name. Data includes properties
* of a block relevant for client registration.
*
* @since 5.0.0
*
* @return array An associative array of registered block data.
*/
function get_block_editor_server_block_settings() {
$block_registry = WP_Block_Type_Registry::get_instance();
$blocks = array();
$keys_to_pick = array( 'title', 'description', 'icon', 'category', 'keywords', 'supports', 'attributes' );
foreach ( $block_registry->get_all_registered() as $block_name => $block_type ) {
foreach ( $keys_to_pick as $key ) {
if ( ! isset( $block_type->{ $key } ) ) {
continue;
}
if ( ! isset( $blocks[ $block_name ] ) ) {
$blocks[ $block_name ] = array();
}
$blocks[ $block_name ][ $key ] = $block_type->{ $key };
}
}
return $blocks;
}
/**
* Renders the meta boxes forms.
*
* @since 5.0.0
*/
function the_block_editor_meta_boxes() {
global $post, $current_screen, $wp_meta_boxes;
// Handle meta box state.
$_original_meta_boxes = $wp_meta_boxes;
/**
* Fires right before the meta boxes are rendered.
*
* This allows for the filtering of meta box data, that should already be
* present by this point. Do not use as a means of adding meta box data.
*
* @since 5.0.0
*
* @param array $wp_meta_boxes Global meta box state.
*/
$wp_meta_boxes = apply_filters( 'filter_block_editor_meta_boxes', $wp_meta_boxes );
$locations = array( 'side', 'normal', 'advanced' );
$priorities = array( 'high', 'sorted', 'core', 'default', 'low' );
// Render meta boxes.
?>
<form class="metabox-base-form">
<?php the_block_editor_meta_box_post_form_hidden_fields( $post ); ?>
</form>
<form id="toggle-custom-fields-form" method="post" action="<?php echo esc_attr( admin_url( 'post.php' ) ); ?>">
<?php wp_nonce_field( 'toggle-custom-fields' ); ?>
<input type="hidden" name="action" value="toggle-custom-fields" />
</form>
<?php foreach ( $locations as $location ) : ?>
<form class="metabox-location-<?php echo esc_attr( $location ); ?>" onsubmit="return false;">
<div id="poststuff" class="sidebar-open">
<div id="postbox-container-2" class="postbox-container">
<?php
do_meta_boxes(
$current_screen,
$location,
$post
);
?>
</div>
</div>
</form>
<?php endforeach; ?>
<?php
$meta_boxes_per_location = array();
foreach ( $locations as $location ) {
$meta_boxes_per_location[ $location ] = array();
if ( ! isset( $wp_meta_boxes[ $current_screen->id ][ $location ] ) ) {
continue;
}
foreach ( $priorities as $priority ) {
if ( ! isset( $wp_meta_boxes[ $current_screen->id ][ $location ][ $priority ] ) ) {
continue;
}
$meta_boxes = (array) $wp_meta_boxes[ $current_screen->id ][ $location ][ $priority ];
foreach ( $meta_boxes as $meta_box ) {
if ( false == $meta_box || ! $meta_box['title'] ) {
continue;
}
// If a meta box is just here for back compat, don't show it in the block editor.
if ( isset( $meta_box['args']['__back_compat_meta_box'] ) && $meta_box['args']['__back_compat_meta_box'] ) {
continue;
}
$meta_boxes_per_location[ $location ][] = array(
'id' => $meta_box['id'],
'title' => $meta_box['title'],
);
}
}
}
/**
* Sadly we probably can not add this data directly into editor settings.
*
* Some meta boxes need admin_head to fire for meta box registry.
* admin_head fires after admin_enqueue_scripts, which is where we create our
* editor instance.
*/
$script = 'window._wpLoadBlockEditor.then( function() {
wp.data.dispatch( \'core/edit-post\' ).setAvailableMetaBoxesPerLocation( ' . wp_json_encode( $meta_boxes_per_location ) . ' );
} );';
wp_add_inline_script( 'wp-edit-post', $script );
/**
* When `wp-edit-post` is output in the `<head>`, the inline script needs to be manually printed. Otherwise,
* meta boxes will not display because inline scripts for `wp-edit-post` will not be printed again after this point.
*/
if ( wp_script_is( 'wp-edit-post', 'done' ) ) {
printf( "<script type='text/javascript'>\n%s\n</script>\n", trim( $script ) );
}
/**
* If the 'postcustom' meta box is enabled, then we need to perform some
* extra initialization on it.
*/
$enable_custom_fields = (bool) get_user_meta( get_current_user_id(), 'enable_custom_fields', true );
if ( $enable_custom_fields ) {
$script = "( function( $ ) {
if ( $('#postcustom').length ) {
$( '#the-list' ).wpList( {
addBefore: function( s ) {
s.data += '&post_id=$post->ID';
return s;
},
addAfter: function() {
$('table#list-table').show();
}
});
}
} )( jQuery );";
wp_enqueue_script( 'wp-lists' );
wp_add_inline_script( 'wp-lists', $script );
}
// Reset meta box data.
$wp_meta_boxes = $_original_meta_boxes;
}
/**
* Renders the hidden form required for the meta boxes form.
*
* @since 5.0.0
*
* @param WP_Post $post Current post object.
*/
function the_block_editor_meta_box_post_form_hidden_fields( $post ) {
$form_extra = '';
if ( 'auto-draft' === $post->post_status ) {
$form_extra .= "<input type='hidden' id='auto_draft' name='auto_draft' value='1' />";
}
$form_action = 'editpost';
$nonce_action = 'update-post_' . $post->ID;
$form_extra .= "<input type='hidden' id='post_ID' name='post_ID' value='" . esc_attr( $post->ID ) . "' />";
$referer = wp_get_referer();
$current_user = wp_get_current_user();
$user_id = $current_user->ID;
wp_nonce_field( $nonce_action );
/*
* Some meta boxes hook into these actions to add hidden input fields in the classic post form. For backwards
* compatibility, we can capture the output from these actions, and extract the hidden input fields.
*/
ob_start();
/** This filter is documented in site-admin/edit-form-advanced.php */
do_action( 'edit_form_after_title', $post );
/** This filter is documented in site-admin/edit-form-advanced.php */
do_action( 'edit_form_advanced', $post );
$classic_output = ob_get_clean();
$classic_elements = wp_html_split( $classic_output );
$hidden_inputs = '';
foreach ( $classic_elements as $element ) {
if ( 0 !== strpos( $element, '<input ' ) ) {
continue;
}
if ( preg_match( '/\stype=[\'"]hidden[\'"]\s/', $element ) ) {
echo $element;
}
}
?>
<input type="hidden" id="user-id" name="user_ID" value="<?php echo (int) $user_id; ?>" />
<input type="hidden" id="hiddenaction" name="action" value="<?php echo esc_attr( $form_action ); ?>" />
<input type="hidden" id="originalaction" name="originalaction" value="<?php echo esc_attr( $form_action ); ?>" />
<input type="hidden" id="post_type" name="post_type" value="<?php echo esc_attr( $post->post_type ); ?>" />
<input type="hidden" id="original_post_status" name="original_post_status" value="<?php echo esc_attr( $post->post_status ); ?>" />
<input type="hidden" id="referredby" name="referredby" value="<?php echo $referer ? esc_url( $referer ) : ''; ?>" />
<?php
if ( 'draft' !== get_post_status( $post ) ) {
wp_original_referer_field( true, 'previous' );
}
echo $form_extra;
wp_nonce_field( 'meta-box-order', 'meta-box-order-nonce', false );
wp_nonce_field( 'closedpostboxes', 'closedpostboxesnonce', false );
// Permalink title nonce.
wp_nonce_field( 'samplepermalink', 'samplepermalinknonce', false );
/**
* Add hidden input fields to the meta box save form.
*
* Hook into this action to print `<input type="hidden" ... />` fields, which will be POSTed back to
* the server when meta boxes are saved.
*
* @since 5.0.0
*
* @params WP_Post $post The post that is being edited.
*/
do_action( 'block_editor_meta_box_hidden_fields', $post );
}