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<?php
/**
* Kkart Formatting
*
* Functions for formatting data.
*
* @package Kkart\Functions
* @version 2.1.0
*/
use Automattic\Kkart\Utilities\NumberUtil;
defined( 'ABSPATH' ) || exit;
/**
* Converts a string (e.g. 'yes' or 'no') to a bool.
*
* @since 3.0.0
* @param string|bool $string String to convert. If a bool is passed it will be returned as-is.
* @return bool
*/
function kkart_string_to_bool( $string ) {
return is_bool( $string ) ? $string : ( 'yes' === strtolower( $string ) || 1 === $string || 'true' === strtolower( $string ) || '1' === $string );
}
/**
* Converts a bool to a 'yes' or 'no'.
*
* @since 3.0.0
* @param bool|string $bool Bool to convert. If a string is passed it will first be converted to a bool.
* @return string
*/
function kkart_bool_to_string( $bool ) {
if ( ! is_bool( $bool ) ) {
$bool = kkart_string_to_bool( $bool );
}
return true === $bool ? 'yes' : 'no';
}
/**
* Explode a string into an array by $delimiter and remove empty values.
*
* @since 3.0.0
* @param string $string String to convert.
* @param string $delimiter Delimiter, defaults to ','.
* @return array
*/
function kkart_string_to_array( $string, $delimiter = ',' ) {
return is_array( $string ) ? $string : array_filter( explode( $delimiter, $string ) );
}
/**
* Sanitize taxonomy names. Slug format (no spaces, lowercase).
* Urldecode is used to reverse munging of UTF8 characters.
*
* @param string $taxonomy Taxonomy name.
* @return string
*/
function kkart_sanitize_taxonomy_name( $taxonomy ) {
return apply_filters( 'sanitize_taxonomy_name', urldecode( sanitize_title( urldecode( $taxonomy ) ) ), $taxonomy );
}
/**
* Sanitize permalink values before insertion into DB.
*
* Cannot use kkart_clean because it sometimes strips % chars and breaks the user's setting.
*
* @since 2.6.0
* @param string $value Permalink.
* @return string
*/
function kkart_sanitize_permalink( $value ) {
global $wpdb;
$value = $wpdb->strip_invalid_text_for_column( $wpdb->options, 'option_value', $value );
if ( is_wp_error( $value ) ) {
$value = '';
}
$value = esc_url_raw( trim( $value ) );
$value = str_replace( 'http://', '', $value );
return untrailingslashit( $value );
}
/**
* Gets the filename part of a download URL.
*
* @param string $file_url File URL.
* @return string
*/
function kkart_get_filename_from_url( $file_url ) {
$parts = wp_parse_url( $file_url );
if ( isset( $parts['path'] ) ) {
return basename( $parts['path'] );
}
}
/**
* Normalise dimensions, unify to cm then convert to wanted unit value.
*
* Usage:
* kkart_get_dimension( 55, 'in' );
* kkart_get_dimension( 55, 'in', 'm' );
*
* @param int|float $dimension Dimension.
* @param string $to_unit Unit to convert to.
* Options: 'in', 'm', 'cm', 'm'.
* @param string $from_unit Unit to convert from.
* Defaults to ''.
* Options: 'in', 'm', 'cm', 'm'.
* @return float
*/
function kkart_get_dimension( $dimension, $to_unit, $from_unit = '' ) {
$to_unit = strtolower( $to_unit );
if ( empty( $from_unit ) ) {
$from_unit = strtolower( get_option( 'kkart_dimension_unit' ) );
}
// Unify all units to cm first.
if ( $from_unit !== $to_unit ) {
switch ( $from_unit ) {
case 'in':
$dimension *= 2.54;
break;
case 'm':
$dimension *= 100;
break;
case 'mm':
$dimension *= 0.1;
break;
case 'yd':
$dimension *= 91.44;
break;
}
// Output desired unit.
switch ( $to_unit ) {
case 'in':
$dimension *= 0.3937;
break;
case 'm':
$dimension *= 0.01;
break;
case 'mm':
$dimension *= 10;
break;
case 'yd':
$dimension *= 0.010936133;
break;
}
}
return ( $dimension < 0 ) ? 0 : $dimension;
}
/**
* Normalise weights, unify to kg then convert to wanted unit value.
*
* Usage:
* kkart_get_weight(55, 'kg');
* kkart_get_weight(55, 'kg', 'lbs');
*
* @param int|float $weight Weight.
* @param string $to_unit Unit to convert to.
* Options: 'g', 'kg', 'lbs', 'oz'.
* @param string $from_unit Unit to convert from.
* Defaults to ''.
* Options: 'g', 'kg', 'lbs', 'oz'.
* @return float
*/
function kkart_get_weight( $weight, $to_unit, $from_unit = '' ) {
$weight = (float) $weight;
$to_unit = strtolower( $to_unit );
if ( empty( $from_unit ) ) {
$from_unit = strtolower( get_option( 'kkart_weight_unit' ) );
}
// Unify all units to kg first.
if ( $from_unit !== $to_unit ) {
switch ( $from_unit ) {
case 'g':
$weight *= 0.001;
break;
case 'lbs':
$weight *= 0.453592;
break;
case 'oz':
$weight *= 0.0283495;
break;
}
// Output desired unit.
switch ( $to_unit ) {
case 'g':
$weight *= 1000;
break;
case 'lbs':
$weight *= 2.20462;
break;
case 'oz':
$weight *= 35.274;
break;
}
}
return ( $weight < 0 ) ? 0 : $weight;
}
/**
* Trim trailing zeros off prices.
*
* @param string|float|int $price Price.
* @return string
*/
function kkart_trim_zeros( $price ) {
return preg_replace( '/' . preg_quote( kkart_get_price_decimal_separator(), '/' ) . '0++$/', '', $price );
}
/**
* Round a tax amount.
*
* @param double $value Amount to round.
* @param int $precision DP to round. Defaults to kkart_get_price_decimals.
* @return float
*/
function kkart_round_tax_total( $value, $precision = null ) {
$precision = is_null( $precision ) ? kkart_get_price_decimals() : intval( $precision );
if ( version_compare( PHP_VERSION, '5.3.0', '>=' ) ) {
$rounded_tax = NumberUtil::round( $value, $precision, kkart_get_tax_rounding_mode() ); // phpcs:ignore PHPCompatibility.FunctionUse.NewFunctionParameters.round_modeFound
} elseif ( 2 === kkart_get_tax_rounding_mode() ) {
$rounded_tax = kkart_legacy_round_half_down( $value, $precision );
} else {
$rounded_tax = NumberUtil::round( $value, $precision );
}
return apply_filters( 'kkart_round_tax_total', $rounded_tax, $value, $precision, KKART_TAX_ROUNDING_MODE );
}
/**
* Round half down in PHP 5.2.
*
* @since 3.2.6
* @param float $value Value to round.
* @param int $precision Precision to round down to.
* @return float
*/
function kkart_legacy_round_half_down( $value, $precision ) {
$value = kkart_float_to_string( $value );
if ( false !== strstr( $value, '.' ) ) {
$value = explode( '.', $value );
if ( strlen( $value[1] ) > $precision && substr( $value[1], -1 ) === '5' ) {
$value[1] = substr( $value[1], 0, -1 ) . '4';
}
$value = implode( '.', $value );
}
return NumberUtil::round( floatval( $value ), $precision );
}
/**
* Make a refund total negative.
*
* @param float $amount Refunded amount.
*
* @return float
*/
function kkart_format_refund_total( $amount ) {
return $amount * -1;
}
/**
* Format decimal numbers ready for DB storage.
*
* Sanitize, remove decimals, and optionally round + trim off zeros.
*
* This function does not remove thousands - this should be done before passing a value to the function.
*
* @param float|string $number Expects either a float or a string with a decimal separator only (no thousands).
* @param mixed $dp number Number of decimal points to use, blank to use kkart_price_num_decimals, or false to avoid all rounding.
* @param bool $trim_zeros From end of string.
* @return string
*/
function kkart_format_decimal( $number, $dp = false, $trim_zeros = false ) {
$locale = localeconv();
$decimals = array( kkart_get_price_decimal_separator(), $locale['decimal_point'], $locale['mon_decimal_point'] );
// Remove locale from string.
if ( ! is_float( $number ) ) {
$number = str_replace( $decimals, '.', $number );
// Convert multiple dots to just one.
$number = preg_replace( '/\.(?![^.]+$)|[^0-9.-]/', '', kkart_clean( $number ) );
}
if ( false !== $dp ) {
$dp = intval( '' === $dp ? kkart_get_price_decimals() : $dp );
$number = number_format( floatval( $number ), $dp, '.', '' );
} elseif ( is_float( $number ) ) {
// DP is false - don't use number format, just return a string using whatever is given. Remove scientific notation using sprintf.
$number = str_replace( $decimals, '.', sprintf( '%.' . kkart_get_rounding_precision() . 'f', $number ) );
// We already had a float, so trailing zeros are not needed.
$trim_zeros = true;
}
if ( $trim_zeros && strstr( $number, '.' ) ) {
$number = rtrim( rtrim( $number, '0' ), '.' );
}
return $number;
}
/**
* Convert a float to a string without locale formatting which PHP adds when changing floats to strings.
*
* @param float $float Float value to format.
* @return string
*/
function kkart_float_to_string( $float ) {
if ( ! is_float( $float ) ) {
return $float;
}
$locale = localeconv();
$string = strval( $float );
$string = str_replace( $locale['decimal_point'], '.', $string );
return $string;
}
/**
* Format a price with KKART Currency Locale settings.
*
* @param string $value Price to localize.
* @return string
*/
function kkart_format_localized_price( $value ) {
return apply_filters( 'kkart_format_localized_price', str_replace( '.', kkart_get_price_decimal_separator(), strval( $value ) ), $value );
}
/**
* Format a decimal with PHP Locale settings.
*
* @param string $value Decimal to localize.
* @return string
*/
function kkart_format_localized_decimal( $value ) {
$locale = localeconv();
return apply_filters( 'kkart_format_localized_decimal', str_replace( '.', $locale['decimal_point'], strval( $value ) ), $value );
}
/**
* Format a coupon code.
*
* @since 3.0.0
* @param string $value Coupon code to format.
* @return string
*/
function kkart_format_coupon_code( $value ) {
return apply_filters( 'kkart_coupon_code', $value );
}
/**
* Sanitize a coupon code.
*
* Uses sanitize_post_field since coupon codes are stored as
* post_titles - the sanitization and escaping must match.
*
* @since 3.6.0
* @param string $value Coupon code to format.
* @return string
*/
function kkart_sanitize_coupon_code( $value ) {
return wp_filter_kses( sanitize_post_field( 'post_title', $value, 0, 'db' ) );
}
/**
* Clean variables using sanitize_text_field. Arrays are cleaned recursively.
* Non-scalar values are ignored.
*
* @param string|array $var Data to sanitize.
* @return string|array
*/
function kkart_clean( $var ) {
if ( is_array( $var ) ) {
return array_map( 'kkart_clean', $var );
} else {
return is_scalar( $var ) ? sanitize_text_field( $var ) : $var;
}
}
/**
* Function wp_check_invalid_utf8 with recursive array support.
*
* @param string|array $var Data to sanitize.
* @return string|array
*/
function kkart_check_invalid_utf8( $var ) {
if ( is_array( $var ) ) {
return array_map( 'kkart_check_invalid_utf8', $var );
} else {
return wp_check_invalid_utf8( $var );
}
}
/**
* Run kkart_clean over posted textarea but maintain line breaks.
*
* @since 3.0.0
* @param string $var Data to sanitize.
* @return string
*/
function kkart_sanitize_textarea( $var ) {
return implode( "\n", array_map( 'kkart_clean', explode( "\n", $var ) ) );
}
/**
* Sanitize a string destined to be a tooltip.
*
* @since 2.3.10 Tooltips are encoded with htmlspecialchars to prevent XSS. Should not be used in conjunction with esc_attr()
* @param string $var Data to sanitize.
* @return string
*/
function kkart_sanitize_tooltip( $var ) {
return htmlspecialchars(
wp_kses(
html_entity_decode( $var ),
array(
'br' => array(),
'em' => array(),
'strong' => array(),
'small' => array(),
'span' => array(),
'ul' => array(),
'li' => array(),
'ol' => array(),
'p' => array(),
)
)
);
}
/**
* Merge two arrays.
*
* @param array $a1 First array to merge.
* @param array $a2 Second array to merge.
* @return array
*/
function kkart_array_overlay( $a1, $a2 ) {
foreach ( $a1 as $k => $v ) {
if ( ! array_key_exists( $k, $a2 ) ) {
continue;
}
if ( is_array( $v ) && is_array( $a2[ $k ] ) ) {
$a1[ $k ] = kkart_array_overlay( $v, $a2[ $k ] );
} else {
$a1[ $k ] = $a2[ $k ];
}
}
return $a1;
}
/**
* Formats a stock amount by running it through a filter.
*
* @param int|float $amount Stock amount.
* @return int|float
*/
function kkart_stock_amount( $amount ) {
return apply_filters( 'kkart_stock_amount', $amount );
}
/**
* Get the price format depending on the currency position.
*
* @return string
*/
function get_kkart_price_format() {
$currency_pos = get_option( 'kkart_currency_pos' );
$format = '%1$s%2$s';
switch ( $currency_pos ) {
case 'left':
$format = '%1$s%2$s';
break;
case 'right':
$format = '%2$s%1$s';
break;
case 'left_space':
$format = '%1$s %2$s';
break;
case 'right_space':
$format = '%2$s %1$s';
break;
}
return apply_filters( 'kkart_price_format', $format, $currency_pos );
}
/**
* Return the thousand separator for prices.
*
* @since 2.3
* @return string
*/
function kkart_get_price_thousand_separator() {
return stripslashes( apply_filters( 'kkart_get_price_thousand_separator', get_option( 'kkart_price_thousand_sep' ) ) );
}
/**
* Return the decimal separator for prices.
*
* @since 2.3
* @return string
*/
function kkart_get_price_decimal_separator() {
$separator = apply_filters( 'kkart_get_price_decimal_separator', get_option( 'kkart_price_decimal_sep' ) );
return $separator ? stripslashes( $separator ) : '.';
}
/**
* Return the number of decimals after the decimal point.
*
* @since 2.3
* @return int
*/
function kkart_get_price_decimals() {
return absint( apply_filters( 'kkart_get_price_decimals', get_option( 'kkart_price_num_decimals', 2 ) ) );
}
/**
* Format the price with a currency symbol.
*
* @param float $price Raw price.
* @param array $args Arguments to format a price {
* Array of arguments.
* Defaults to empty array.
*
* @type bool $ex_tax_label Adds exclude tax label.
* Defaults to false.
* @type string $currency Currency code.
* Defaults to empty string (Use the result from get_kkart_currency()).
* @type string $decimal_separator Decimal separator.
* Defaults the result of kkart_get_price_decimal_separator().
* @type string $thousand_separator Thousand separator.
* Defaults the result of kkart_get_price_thousand_separator().
* @type string $decimals Number of decimals.
* Defaults the result of kkart_get_price_decimals().
* @type string $price_format Price format depending on the currency position.
* Defaults the result of get_kkart_price_format().
* }
* @return string
*/
function kkart_price( $price, $args = array() ) {
$args = apply_filters(
'kkart_price_args',
wp_parse_args(
$args,
array(
'ex_tax_label' => false,
'currency' => '',
'decimal_separator' => kkart_get_price_decimal_separator(),
'thousand_separator' => kkart_get_price_thousand_separator(),
'decimals' => kkart_get_price_decimals(),
'price_format' => get_kkart_price_format(),
)
)
);
$unformatted_price = $price;
$negative = $price < 0;
$price = apply_filters( 'raw_kkart_price', floatval( $negative ? $price * -1 : $price ) );
$price = apply_filters( 'formatted_kkart_price', number_format( $price, $args['decimals'], $args['decimal_separator'], $args['thousand_separator'] ), $price, $args['decimals'], $args['decimal_separator'], $args['thousand_separator'] );
if ( apply_filters( 'kkart_price_trim_zeros', false ) && $args['decimals'] > 0 ) {
$price = kkart_trim_zeros( $price );
}
$formatted_price = ( $negative ? '-' : '' ) . sprintf( $args['price_format'], '<span class="kkart-Price-currencySymbol">' . get_kkart_currency_symbol( $args['currency'] ) . '</span>', $price );
$return = '<span class="kkart-Price-amount amount"><bdi>' . $formatted_price . '</bdi></span>';
if ( $args['ex_tax_label'] && kkart_tax_enabled() ) {
$return .= ' <small class="kkart-Price-taxLabel tax_label">' . KKART()->countries->ex_tax_or_vat() . '</small>';
}
/**
* Filters the string of price markup.
*
* @param string $return Price HTML markup.
* @param string $price Formatted price.
* @param array $args Pass on the args.
* @param float $unformatted_price Price as float to allow plugins custom formatting. Since 3.2.0.
*/
return apply_filters( 'kkart_price', $return, $price, $args, $unformatted_price );
}
/**
* Notation to numbers.
*
* This function transforms the php.ini notation for numbers (like '2M') to an integer.
*
* @param string $size Size value.
* @return int
*/
function kkart_let_to_num( $size ) {
$l = substr( $size, -1 );
$ret = (int) substr( $size, 0, -1 );
switch ( strtoupper( $l ) ) {
case 'P':
$ret *= 1024;
// No break.
case 'T':
$ret *= 1024;
// No break.
case 'G':
$ret *= 1024;
// No break.
case 'M':
$ret *= 1024;
// No break.
case 'K':
$ret *= 1024;
// No break.
}
return $ret;
}
/**
* Kkart Date Format - Allows to change date format for everything Kkart.
*
* @return string
*/
function kkart_date_format() {
return apply_filters( 'kkart_date_format', get_option( 'date_format' ) );
}
/**
* Kkart Time Format - Allows to change time format for everything Kkart.
*
* @return string
*/
function kkart_time_format() {
return apply_filters( 'kkart_time_format', get_option( 'time_format' ) );
}
/**
* Convert mysql datetime to PHP timestamp, forcing UTC. Wrapper for strtotime.
*
* Based on wcs_strtotime_dark_knight() from KKART Subscriptions by Prospress.
*
* @since 3.0.0
* @param string $time_string Time string.
* @param int|null $from_timestamp Timestamp to convert from.
* @return int
*/
function kkart_string_to_timestamp( $time_string, $from_timestamp = null ) {
$original_timezone = date_default_timezone_get();
// @codingStandardsIgnoreStart
date_default_timezone_set( 'UTC' );
if ( null === $from_timestamp ) {
$next_timestamp = strtotime( $time_string );
} else {
$next_timestamp = strtotime( $time_string, $from_timestamp );
}
date_default_timezone_set( $original_timezone );
// @codingStandardsIgnoreEnd
return $next_timestamp;
}
/**
* Convert a date string to a KKART_DateTime.
*
* @since 3.1.0
* @param string $time_string Time string.
* @return KKART_DateTime
*/
function kkart_string_to_datetime( $time_string ) {
// Strings are defined in local WP timezone. Convert to UTC.
if ( 1 === preg_match( '/^(\d{4})-(\d{2})-(\d{2})T(\d{2}):(\d{2}):(\d{2})(Z|((-|\+)\d{2}:\d{2}))$/', $time_string, $date_bits ) ) {
$offset = ! empty( $date_bits[7] ) ? iso8601_timezone_to_offset( $date_bits[7] ) : kkart_timezone_offset();
$timestamp = gmmktime( $date_bits[4], $date_bits[5], $date_bits[6], $date_bits[2], $date_bits[3], $date_bits[1] ) - $offset;
} else {
$timestamp = kkart_string_to_timestamp( get_gmt_from_date( gmdate( 'Y-m-d H:i:s', kkart_string_to_timestamp( $time_string ) ) ) );
}
$datetime = new KKART_DateTime( "@{$timestamp}", new DateTimeZone( 'UTC' ) );
// Set local timezone or offset.
if ( get_option( 'timezone_string' ) ) {
$datetime->setTimezone( new DateTimeZone( kkart_timezone_string() ) );
} else {
$datetime->set_utc_offset( kkart_timezone_offset() );
}
return $datetime;
}
/**
* Kkart Timezone - helper to retrieve the timezone string for a site until.
* a WP core method exists (see https://core.trac.wordpress.org/ticket/24730).
*
* Adapted from https://secure.php.net/manual/en/function.timezone-name-from-abbr.php#89155.
*
* @since 2.1
* @return string PHP timezone string for the site
*/
function kkart_timezone_string() {
// Added in WordPress 5.3 Ref https://developer.wordpress.org/reference/functions/wp_timezone_string/.
if ( function_exists( 'wp_timezone_string' ) ) {
return wp_timezone_string();
}
// If site timezone string exists, return it.
$timezone = get_option( 'timezone_string' );
if ( $timezone ) {
return $timezone;
}
// Get UTC offset, if it isn't set then return UTC.
$utc_offset = floatval( get_option( 'gmt_offset', 0 ) );
if ( ! is_numeric( $utc_offset ) || 0.0 === $utc_offset ) {
return 'UTC';
}
// Adjust UTC offset from hours to seconds.
$utc_offset = (int) ( $utc_offset * 3600 );
// Attempt to guess the timezone string from the UTC offset.
$timezone = timezone_name_from_abbr( '', $utc_offset );
if ( $timezone ) {
return $timezone;
}
// Last try, guess timezone string manually.
foreach ( timezone_abbreviations_list() as $abbr ) {
foreach ( $abbr as $city ) {
// WordPress restrict the use of date(), since it's affected by timezone settings, but in this case is just what we need to guess the correct timezone.
if ( (bool) date( 'I' ) === (bool) $city['dst'] && $city['timezone_id'] && intval( $city['offset'] ) === $utc_offset ) { // phpcs:ignore WordPress.DateTime.RestrictedFunctions.date_date
return $city['timezone_id'];
}
}
}
// Fallback to UTC.
return 'UTC';
}
/**
* Get timezone offset in seconds.
*
* @since 3.0.0
* @return float
*/
function kkart_timezone_offset() {
$timezone = get_option( 'timezone_string' );
if ( $timezone ) {
$timezone_object = new DateTimeZone( $timezone );
return $timezone_object->getOffset( new DateTime( 'now' ) );
} else {
return floatval( get_option( 'gmt_offset', 0 ) ) * HOUR_IN_SECONDS;
}
}
/**
* Callback which can flatten post meta (gets the first value if it's an array).
*
* @since 3.0.0
* @param array $value Value to flatten.
* @return mixed
*/
function kkart_flatten_meta_callback( $value ) {
return is_array( $value ) ? current( $value ) : $value;
}
if ( ! function_exists( 'kkart_rgb_from_hex' ) ) {
/**
* Convert RGB to HEX.
*
* @param mixed $color Color.
*
* @return array
*/
function kkart_rgb_from_hex( $color ) {
$color = str_replace( '#', '', $color );
// Convert shorthand colors to full format, e.g. "FFF" -> "FFFFFF".
$color = preg_replace( '~^(.)(.)(.)$~', '$1$1$2$2$3$3', $color );
$rgb = array();
$rgb['R'] = hexdec( $color[0] . $color[1] );
$rgb['G'] = hexdec( $color[2] . $color[3] );
$rgb['B'] = hexdec( $color[4] . $color[5] );
return $rgb;
}
}
if ( ! function_exists( 'kkart_hex_darker' ) ) {
/**
* Make HEX color darker.
*
* @param mixed $color Color.
* @param int $factor Darker factor.
* Defaults to 30.
* @return string
*/
function kkart_hex_darker( $color, $factor = 30 ) {
$base = kkart_rgb_from_hex( $color );
$color = '#';
foreach ( $base as $k => $v ) {
$amount = $v / 100;
$amount = NumberUtil::round( $amount * $factor );
$new_decimal = $v - $amount;
$new_hex_component = dechex( $new_decimal );
if ( strlen( $new_hex_component ) < 2 ) {
$new_hex_component = '0' . $new_hex_component;
}
$color .= $new_hex_component;
}
return $color;
}
}
if ( ! function_exists( 'kkart_hex_lighter' ) ) {
/**
* Make HEX color lighter.
*
* @param mixed $color Color.
* @param int $factor Lighter factor.
* Defaults to 30.
* @return string
*/
function kkart_hex_lighter( $color, $factor = 30 ) {
$base = kkart_rgb_from_hex( $color );
$color = '#';
foreach ( $base as $k => $v ) {
$amount = 255 - $v;
$amount = $amount / 100;
$amount = NumberUtil::round( $amount * $factor );
$new_decimal = $v + $amount;
$new_hex_component = dechex( $new_decimal );
if ( strlen( $new_hex_component ) < 2 ) {
$new_hex_component = '0' . $new_hex_component;
}
$color .= $new_hex_component;
}
return $color;
}
}
if ( ! function_exists( 'kkart_hex_is_light' ) ) {
/**
* Determine whether a hex color is light.
*
* @param mixed $color Color.
* @return bool True if a light color.
*/
function kkart_hex_is_light( $color ) {
$hex = str_replace( '#', '', $color );
$c_r = hexdec( substr( $hex, 0, 2 ) );
$c_g = hexdec( substr( $hex, 2, 2 ) );
$c_b = hexdec( substr( $hex, 4, 2 ) );
$brightness = ( ( $c_r * 299 ) + ( $c_g * 587 ) + ( $c_b * 114 ) ) / 1000;
return $brightness > 155;
}
}
if ( ! function_exists( 'kkart_light_or_dark' ) ) {
/**
* Detect if we should use a light or dark color on a background color.
*
* @param mixed $color Color.
* @param string $dark Darkest reference.
* Defaults to '#000000'.
* @param string $light Lightest reference.
* Defaults to '#FFFFFF'.
* @return string
*/
function kkart_light_or_dark( $color, $dark = '#000000', $light = '#FFFFFF' ) {
return kkart_hex_is_light( $color ) ? $dark : $light;
}
}
if ( ! function_exists( 'kkart_format_hex' ) ) {
/**
* Format string as hex.
*
* @param string $hex HEX color.
* @return string|null
*/
function kkart_format_hex( $hex ) {
$hex = trim( str_replace( '#', '', $hex ) );
if ( strlen( $hex ) === 3 ) {
$hex = $hex[0] . $hex[0] . $hex[1] . $hex[1] . $hex[2] . $hex[2];
}
return $hex ? '#' . $hex : null;
}
}
/**
* Format the postcode according to the country and length of the postcode.
*
* @param string $postcode Unformatted postcode.
* @param string $country Base country.
* @return string
*/
function kkart_format_postcode( $postcode, $country ) {
$postcode = kkart_normalize_postcode( $postcode );
switch ( $country ) {
case 'CA':
case 'GB':
$postcode = substr_replace( $postcode, ' ', -3, 0 );
break;
case 'IE':
$postcode = substr_replace( $postcode, ' ', 3, 0 );
break;
case 'BR':
case 'PL':
$postcode = substr_replace( $postcode, '-', -3, 0 );
break;
case 'JP':
$postcode = substr_replace( $postcode, '-', 3, 0 );
break;
case 'PT':
$postcode = substr_replace( $postcode, '-', 4, 0 );
break;
case 'PR':
case 'US':
$postcode = rtrim( substr_replace( $postcode, '-', 5, 0 ), '-' );
break;
case 'NL':
$postcode = substr_replace( $postcode, ' ', 4, 0 );
break;
}
return apply_filters( 'kkart_format_postcode', trim( $postcode ), $country );
}
/**
* Normalize postcodes.
*
* Remove spaces and convert characters to uppercase.
*
* @since 2.6.0
* @param string $postcode Postcode.
* @return string
*/
function kkart_normalize_postcode( $postcode ) {
return preg_replace( '/[\s\-]/', '', trim( kkart_strtoupper( $postcode ) ) );
}
/**
* Format phone numbers.
*
* @param string $phone Phone number.
* @return string
*/
function kkart_format_phone_number( $phone ) {
if ( ! KKART_Validation::is_phone( $phone ) ) {
return '';
}
return preg_replace( '/[^0-9\+\-\(\)\s]/', '-', preg_replace( '/[\x00-\x1F\x7F-\xFF]/', '', $phone ) );
}
/**
* Sanitize phone number.
* Allows only numbers and "+" (plus sign).
*
* @since 3.6.0
* @param string $phone Phone number.
* @return string
*/
function kkart_sanitize_phone_number( $phone ) {
return preg_replace( '/[^\d+]/', '', $phone );
}
/**
* Wrapper for mb_strtoupper which see's if supported first.
*
* @since 3.1.0
* @param string $string String to format.
* @return string
*/
function kkart_strtoupper( $string ) {
return function_exists( 'mb_strtoupper' ) ? mb_strtoupper( $string ) : strtoupper( $string );
}
/**
* Make a string lowercase.
* Try to use mb_strtolower() when available.
*
* @since 2.3
* @param string $string String to format.
* @return string
*/
function kkart_strtolower( $string ) {
return function_exists( 'mb_strtolower' ) ? mb_strtolower( $string ) : strtolower( $string );
}
/**
* Trim a string and append a suffix.
*
* @param string $string String to trim.
* @param integer $chars Amount of characters.
* Defaults to 200.
* @param string $suffix Suffix.
* Defaults to '...'.
* @return string
*/
function kkart_trim_string( $string, $chars = 200, $suffix = '...' ) {
if ( strlen( $string ) > $chars ) {
if ( function_exists( 'mb_substr' ) ) {
$string = mb_substr( $string, 0, ( $chars - mb_strlen( $suffix ) ) ) . $suffix;
} else {
$string = substr( $string, 0, ( $chars - strlen( $suffix ) ) ) . $suffix;
}
}
return $string;
}
/**
* Format content to display shortcodes.
*
* @since 2.3.0
* @param string $raw_string Raw string.
* @return string
*/
function kkart_format_content( $raw_string ) {
return apply_filters( 'kkart_format_content', apply_filters( 'kkart_short_description', $raw_string ), $raw_string );
}
/**
* Format product short description.
* Adds support for Jetpack Markdown.
*
* @codeCoverageIgnore
* @since 2.4.0
* @param string $content Product short description.
* @return string
*/
function kkart_format_product_short_description( $content ) {
// Add support for Jetpack Markdown.
if ( class_exists( 'WPCom_Markdown' ) ) {
$markdown = WPCom_Markdown::get_instance();
return wpautop(
$markdown->transform(
$content,
array(
'unslash' => false,
)
)
);
}
return $content;
}
/**
* Formats curency symbols when saved in settings.
*
* @codeCoverageIgnore
* @param string $value Option value.
* @param array $option Option name.
* @param string $raw_value Raw value.
* @return string
*/
function kkart_format_option_price_separators( $value, $option, $raw_value ) {
return wp_kses_post( $raw_value );
}
add_filter( 'kkart_admin_settings_sanitize_option_kkart_price_decimal_sep', 'kkart_format_option_price_separators', 10, 3 );
add_filter( 'kkart_admin_settings_sanitize_option_kkart_price_thousand_sep', 'kkart_format_option_price_separators', 10, 3 );
/**
* Formats decimals when saved in settings.
*
* @codeCoverageIgnore
* @param string $value Option value.
* @param array $option Option name.
* @param string $raw_value Raw value.
* @return string
*/
function kkart_format_option_price_num_decimals( $value, $option, $raw_value ) {
return is_null( $raw_value ) ? 2 : absint( $raw_value );
}
add_filter( 'kkart_admin_settings_sanitize_option_kkart_price_num_decimals', 'kkart_format_option_price_num_decimals', 10, 3 );
/**
* Formats hold stock option and sets cron event up.
*
* @codeCoverageIgnore
* @param string $value Option value.
* @param array $option Option name.
* @param string $raw_value Raw value.
* @return string
*/
function kkart_format_option_hold_stock_minutes( $value, $option, $raw_value ) {
$value = ! empty( $raw_value ) ? absint( $raw_value ) : ''; // Allow > 0 or set to ''.
wp_clear_scheduled_hook( 'kkart_cancel_unpaid_orders' );
if ( '' !== $value ) {
wp_schedule_single_event( time() + ( absint( $value ) * 60 ), 'kkart_cancel_unpaid_orders' );
}
return $value;
}
add_filter( 'kkart_admin_settings_sanitize_option_kkart_hold_stock_minutes', 'kkart_format_option_hold_stock_minutes', 10, 3 );
/**
* Sanitize terms from an attribute text based.
*
* @since 2.4.5
* @param string $term Term value.
* @return string
*/
function kkart_sanitize_term_text_based( $term ) {
return trim( wp_strip_all_tags( wp_unslash( $term ) ) );
}
if ( ! function_exists( 'kkart_make_numeric_postcode' ) ) {
/**
* Make numeric postcode.
*
* Converts letters to numbers so we can do a simple range check on postcodes.
* E.g. PE30 becomes 16050300 (P = 16, E = 05, 3 = 03, 0 = 00)
*
* @since 2.6.0
* @param string $postcode Regular postcode.
* @return string
*/
function kkart_make_numeric_postcode( $postcode ) {
$postcode = str_replace( array( ' ', '-' ), '', $postcode );
$postcode_length = strlen( $postcode );
$letters_to_numbers = array_merge( array( 0 ), range( 'A', 'Z' ) );
$letters_to_numbers = array_flip( $letters_to_numbers );
$numeric_postcode = '';
for ( $i = 0; $i < $postcode_length; $i ++ ) {
if ( is_numeric( $postcode[ $i ] ) ) {
$numeric_postcode .= str_pad( $postcode[ $i ], 2, '0', STR_PAD_LEFT );
} elseif ( isset( $letters_to_numbers[ $postcode[ $i ] ] ) ) {
$numeric_postcode .= str_pad( $letters_to_numbers[ $postcode[ $i ] ], 2, '0', STR_PAD_LEFT );
} else {
$numeric_postcode .= '00';
}
}
return $numeric_postcode;
}
}
/**
* Format the stock amount ready for display based on settings.
*
* @since 3.0.0
* @param KKART_Product $product Product object for which the stock you need to format.
* @return string
*/
function kkart_format_stock_for_display( $product ) {
$display = __( 'In stock', 'kkart' );
$stock_amount = $product->get_stock_quantity();
switch ( get_option( 'kkart_stock_format' ) ) {
case 'low_amount':
if ( $stock_amount <= get_option( 'kkart_notify_low_stock_amount' ) ) {
/* translators: %s: stock amount */
$display = sprintf( __( 'Only %s left in stock', 'kkart' ), kkart_format_stock_quantity_for_display( $stock_amount, $product ) );
}
break;
case '':
/* translators: %s: stock amount */
$display = sprintf( __( '%s in stock', 'kkart' ), kkart_format_stock_quantity_for_display( $stock_amount, $product ) );
break;
}
if ( $product->backorders_allowed() && $product->backorders_require_notification() ) {
$display .= ' ' . __( '(can be backordered)', 'kkart' );
}
return $display;
}
/**
* Format the stock quantity ready for display.
*
* @since 3.0.0
* @param int $stock_quantity Stock quantity.
* @param KKART_Product $product Product instance so that we can pass through the filters.
* @return string
*/
function kkart_format_stock_quantity_for_display( $stock_quantity, $product ) {
return apply_filters( 'kkart_format_stock_quantity', $stock_quantity, $product );
}
/**
* Format a sale price for display.
*
* @since 3.0.0
* @param string $regular_price Regular price.
* @param string $sale_price Sale price.
* @return string
*/
function kkart_format_sale_price( $regular_price, $sale_price ) {
$price = '<del>' . ( is_numeric( $regular_price ) ? kkart_price( $regular_price ) : $regular_price ) . '</del> <ins>' . ( is_numeric( $sale_price ) ? kkart_price( $sale_price ) : $sale_price ) . '</ins>';
return apply_filters( 'kkart_format_sale_price', $price, $regular_price, $sale_price );
}
/**
* Format a price range for display.
*
* @param string $from Price from.
* @param string $to Price to.
* @return string
*/
function kkart_format_price_range( $from, $to ) {
/* translators: 1: price from 2: price to */
$price = sprintf( _x( '%1$s – %2$s', 'Price range: from-to', 'kkart' ), is_numeric( $from ) ? kkart_price( $from ) : $from, is_numeric( $to ) ? kkart_price( $to ) : $to );
return apply_filters( 'kkart_format_price_range', $price, $from, $to );
}
/**
* Format a weight for display.
*
* @since 3.0.0
* @param float $weight Weight.
* @return string
*/
function kkart_format_weight( $weight ) {
$weight_string = kkart_format_localized_decimal( $weight );
if ( ! empty( $weight_string ) ) {
$weight_string .= ' ' . get_option( 'kkart_weight_unit' );
} else {
$weight_string = __( 'N/A', 'kkart' );
}
return apply_filters( 'kkart_format_weight', $weight_string, $weight );
}
/**
* Format dimensions for display.
*
* @since 3.0.0
* @param array $dimensions Array of dimensions.
* @return string
*/
function kkart_format_dimensions( $dimensions ) {
$dimension_string = implode( ' × ', array_filter( array_map( 'kkart_format_localized_decimal', $dimensions ) ) );
if ( ! empty( $dimension_string ) ) {
$dimension_string .= ' ' . get_option( 'kkart_dimension_unit' );
} else {
$dimension_string = __( 'N/A', 'kkart' );
}
return apply_filters( 'kkart_format_dimensions', $dimension_string, $dimensions );
}
/**
* Format a date for output.
*
* @since 3.0.0
* @param KKART_DateTime $date Instance of KKART_DateTime.
* @param string $format Data format.
* Defaults to the kkart_date_format function if not set.
* @return string
*/
function kkart_format_datetime( $date, $format = '' ) {
if ( ! $format ) {
$format = kkart_date_format();
}
if ( ! is_a( $date, 'KKART_DateTime' ) ) {
return '';
}
return $date->date_i18n( $format );
}
/**
* Process oEmbeds.
*
* @since 3.1.0
* @param string $content Content.
* @return string
*/
function kkart_do_oembeds( $content ) {
global $wp_embed;
$content = $wp_embed->autoembed( $content );
return $content;
}
/**
* Get part of a string before :.
*
* Used for example in shipping methods ids where they take the format
* method_id:instance_id
*
* @since 3.2.0
* @param string $string String to extract.
* @return string
*/
function kkart_get_string_before_colon( $string ) {
return trim( current( explode( ':', (string) $string ) ) );
}
/**
* Array merge and sum function.
*
* Source: https://gist.github.com/Nickology/f700e319cbafab5eaedc
*
* @since 3.2.0
* @return array
*/
function kkart_array_merge_recursive_numeric() {
$arrays = func_get_args();
// If there's only one array, it's already merged.
if ( 1 === count( $arrays ) ) {
return $arrays[0];
}
// Remove any items in $arrays that are NOT arrays.
foreach ( $arrays as $key => $array ) {
if ( ! is_array( $array ) ) {
unset( $arrays[ $key ] );
}
}
// We start by setting the first array as our final array.
// We will merge all other arrays with this one.
$final = array_shift( $arrays );
foreach ( $arrays as $b ) {
foreach ( $final as $key => $value ) {
// If $key does not exist in $b, then it is unique and can be safely merged.
if ( ! isset( $b[ $key ] ) ) {
$final[ $key ] = $value;
} else {
// If $key is present in $b, then we need to merge and sum numeric values in both.
if ( is_numeric( $value ) && is_numeric( $b[ $key ] ) ) {
// If both values for these keys are numeric, we sum them.
$final[ $key ] = $value + $b[ $key ];
} elseif ( is_array( $value ) && is_array( $b[ $key ] ) ) {
// If both values are arrays, we recursively call ourself.
$final[ $key ] = kkart_array_merge_recursive_numeric( $value, $b[ $key ] );
} else {
// If both keys exist but differ in type, then we cannot merge them.
// In this scenario, we will $b's value for $key is used.
$final[ $key ] = $b[ $key ];
}
}
}
// Finally, we need to merge any keys that exist only in $b.
foreach ( $b as $key => $value ) {
if ( ! isset( $final[ $key ] ) ) {
$final[ $key ] = $value;
}
}
}
return $final;
}
/**
* Implode and escape HTML attributes for output.
*
* @since 3.3.0
* @param array $raw_attributes Attribute name value pairs.
* @return string
*/
function kkart_implode_html_attributes( $raw_attributes ) {
$attributes = array();
foreach ( $raw_attributes as $name => $value ) {
$attributes[] = esc_attr( $name ) . '="' . esc_attr( $value ) . '"';
}
return implode( ' ', $attributes );
}
/**
* Escape JSON for use on HTML or attribute text nodes.
*
* @since 3.5.5
* @param string $json JSON to escape.
* @param bool $html True if escaping for HTML text node, false for attributes. Determines how quotes are handled.
* @return string Escaped JSON.
*/
function kkart_esc_json( $json, $html = false ) {
return _wp_specialchars(
$json,
$html ? ENT_NOQUOTES : ENT_QUOTES, // Escape quotes in attribute nodes only.
'UTF-8', // json_encode() outputs UTF-8 (really just ASCII), not the blog's charset.
true // Double escape entities: `&` -> `&amp;`.
);
}
/**
* Parse a relative date option from the settings API into a standard format.
*
* @since 3.4.0
* @param mixed $raw_value Value stored in DB.
* @return array Nicely formatted array with number and unit values.
*/
function kkart_parse_relative_date_option( $raw_value ) {
$periods = array(
'days' => __( 'Day(s)', 'kkart' ),
'weeks' => __( 'Week(s)', 'kkart' ),
'months' => __( 'Month(s)', 'kkart' ),
'years' => __( 'Year(s)', 'kkart' ),
);
$value = wp_parse_args(
(array) $raw_value,
array(
'number' => '',
'unit' => 'days',
)
);
$value['number'] = ! empty( $value['number'] ) ? absint( $value['number'] ) : '';
if ( ! in_array( $value['unit'], array_keys( $periods ), true ) ) {
$value['unit'] = 'days';
}
return $value;
}
/**
* Format the endpoint slug, strip out anything not allowed in a url.
*
* @since 3.5.0
* @param string $raw_value The raw value.
* @return string
*/
function kkart_sanitize_endpoint_slug( $raw_value ) {
return sanitize_title( $raw_value );
}
add_filter( 'kkart_admin_settings_sanitize_option_kkart_checkout_pay_endpoint', 'kkart_sanitize_endpoint_slug', 10, 1 );
add_filter( 'kkart_admin_settings_sanitize_option_kkart_checkout_order_received_endpoint', 'kkart_sanitize_endpoint_slug', 10, 1 );
add_filter( 'kkart_admin_settings_sanitize_option_kkart_myaccount_add_payment_method_endpoint', 'kkart_sanitize_endpoint_slug', 10, 1 );
add_filter( 'kkart_admin_settings_sanitize_option_kkart_myaccount_delete_payment_method_endpoint', 'kkart_sanitize_endpoint_slug', 10, 1 );
add_filter( 'kkart_admin_settings_sanitize_option_kkart_myaccount_set_default_payment_method_endpoint', 'kkart_sanitize_endpoint_slug', 10, 1 );
add_filter( 'kkart_admin_settings_sanitize_option_kkart_myaccount_orders_endpoint', 'kkart_sanitize_endpoint_slug', 10, 1 );
add_filter( 'kkart_admin_settings_sanitize_option_kkart_myaccount_view_order_endpoint', 'kkart_sanitize_endpoint_slug', 10, 1 );
add_filter( 'kkart_admin_settings_sanitize_option_kkart_myaccount_downloads_endpoint', 'kkart_sanitize_endpoint_slug', 10, 1 );
add_filter( 'kkart_admin_settings_sanitize_option_kkart_myaccount_edit_account_endpoint', 'kkart_sanitize_endpoint_slug', 10, 1 );
add_filter( 'kkart_admin_settings_sanitize_option_kkart_myaccount_edit_address_endpoint', 'kkart_sanitize_endpoint_slug', 10, 1 );
add_filter( 'kkart_admin_settings_sanitize_option_kkart_myaccount_payment_methods_endpoint', 'kkart_sanitize_endpoint_slug', 10, 1 );
add_filter( 'kkart_admin_settings_sanitize_option_kkart_myaccount_lost_password_endpoint', 'kkart_sanitize_endpoint_slug', 10, 1 );
add_filter( 'kkart_admin_settings_sanitize_option_kkart_logout_endpoint', 'kkart_sanitize_endpoint_slug', 10, 1 );