File "functions-20241117112246-20241118033436.php"
Full Path: /home2/sdektunc/cepali.edu.mx/wp-includes/blocks/paragraph/functions-20241117112246-20241118033436.php
File size: 44 KB
MIME-type: text/x-php
Charset: utf-8
<?php
/**
* Main WordPress API
*
* @package WordPress
*/
require ABSPATH . WPINC . '/option.php';
/**
* Converts given MySQL date string into a different format.
*
* - `$format` should be a PHP date format string.
* - 'U' and 'G' formats will return an integer sum of timestamp with timezone offset.
* - `$date` is expected to be local time in MySQL format (`Y-m-d H:i:s`).
*
* Historically UTC time could be passed to the function to produce Unix timestamp.
*
* If `$translate` is true then the given date and format string will
* be passed to `wp_date()` for translation.
*
* @since 0.71
*
* @param string $format Format of the date to return.
* @param string $date Date string to convert.
* @param bool $translate Whether the return date should be translated. Default true.
* @return string|int|false Integer if `$format` is 'U' or 'G', string otherwise.
* False on failure.
*/
function mysql2date( $format, $date, $translate = true ) {
if ( empty( $date ) ) {
return false;
}
$timezone = wp_timezone();
$datetime = date_create( $date, $timezone );
if ( false === $datetime ) {
return false;
}
// Returns a sum of timestamp with timezone offset. Ideally should never be used.
if ( 'G' === $format || 'U' === $format ) {
return $datetime->getTimestamp() + $datetime->getOffset();
}
if ( $translate ) {
return wp_date( $format, $datetime->getTimestamp(), $timezone );
}
return $datetime->format( $format );
}
/**
* Retrieves the current time based on specified type.
*
* - The 'mysql' type will return the time in the format for MySQL DATETIME field.
* - The 'timestamp' or 'U' types will return the current timestamp or a sum of timestamp
* and timezone offset, depending on `$gmt`.
* - Other strings will be interpreted as PHP date formats (e.g. 'Y-m-d').
*
* If `$gmt` is a truthy value then both types will use GMT time, otherwise the
* output is adjusted with the GMT offset for the site.
*
* @since 1.0.0
* @since 5.3.0 Now returns an integer if `$type` is 'U'. Previously a string was returned.
*
* @param string $type Type of time to retrieve. Accepts 'mysql', 'timestamp', 'U',
* or PHP date format string (e.g. 'Y-m-d').
* @param int|bool $gmt Optional. Whether to use GMT timezone. Default false.
* @return int|string Integer if `$type` is 'timestamp' or 'U', string otherwise.
*/
function current_time( $type, $gmt = 0 ) {
// Don't use non-GMT timestamp, unless you know the difference and really need to.
if ( 'timestamp' === $type || 'U' === $type ) {
return $gmt ? time() : time() + (int) ( get_option( 'gmt_offset' ) * HOUR_IN_SECONDS );
}
if ( 'mysql' === $type ) {
$type = 'Y-m-d H:i:s';
}
$timezone = $gmt ? new DateTimeZone( 'UTC' ) : wp_timezone();
$datetime = new DateTime( 'now', $timezone );
return $datetime->format( $type );
}
/**
* Retrieves the current time as an object using the site's timezone.
*
* @since 5.3.0
*
* @return DateTimeImmutable Date and time object.
*/
function current_datetime() {
return new DateTimeImmutable( 'now', wp_timezone() );
}
/**
* Retrieves the timezone of the site as a string.
*
* Uses the `timezone_string` option to get a proper timezone name if available,
* otherwise falls back to a manual UTC ± offset.
*
* Example return values:
*
* - 'Europe/Rome'
* - 'America/North_Dakota/New_Salem'
* - 'UTC'
* - '-06:30'
* - '+00:00'
* - '+08:45'
*
* @since 5.3.0
*
* @return string PHP timezone name or a ±HH:MM offset.
*/
function wp_timezone_string() {
$timezone_string = get_option( 'timezone_string' );
if ( $timezone_string ) {
return $timezone_string;
}
$offset = (float) get_option( 'gmt_offset' );
$hours = (int) $offset;
$minutes = ( $offset - $hours );
$sign = ( $offset < 0 ) ? '-' : '+';
$abs_hour = abs( $hours );
$abs_mins = abs( $minutes * 60 );
$tz_offset = sprintf( '%s%02d:%02d', $sign, $abs_hour, $abs_mins );
return $tz_offset;
}
/**
* Retrieves the timezone of the site as a `DateTimeZone` object.
*
* Timezone can be based on a PHP timezone string or a ±HH:MM offset.
*
* @since 5.3.0
*
* @return DateTimeZone Timezone object.
*/
function wp_timezone() {
return new DateTimeZone( wp_timezone_string() );
}
/**
* Retrieves the date in localized format, based on a sum of Unix timestamp and
* timezone offset in seconds.
*
* If the locale specifies the locale month and weekday, then the locale will
* take over the format for the date. If it isn't, then the date format string
* will be used instead.
*
* Note that due to the way WP typically generates a sum of timestamp and offset
* with `strtotime()`, it implies offset added at a _current_ time, not at the time
* the timestamp represents. Storing such timestamps or calculating them differently
* will lead to invalid output.
*
* @since 0.71
* @since 5.3.0 Converted into a wrapper for wp_date().
*
* @param string $format Format to display the date.
* @param int|bool $timestamp_with_offset Optional. A sum of Unix timestamp and timezone offset
* in seconds. Default false.
* @param bool $gmt Optional. Whether to use GMT timezone. Only applies
* if timestamp is not provided. Default false.
* @return string The date, translated if locale specifies it.
*/
function date_i18n( $format, $timestamp_with_offset = false, $gmt = false ) {
$timestamp = $timestamp_with_offset;
// If timestamp is omitted it should be current time (summed with offset, unless `$gmt` is true).
if ( ! is_numeric( $timestamp ) ) {
// phpcs:ignore WordPress.DateTime.CurrentTimeTimestamp.Requested
$timestamp = current_time( 'timestamp', $gmt );
}
/*
* This is a legacy implementation quirk that the returned timestamp is also with offset.
* Ideally this function should never be used to produce a timestamp.
*/
if ( 'U' === $format ) {
$date = $timestamp;
} elseif ( $gmt && false === $timestamp_with_offset ) { // Current time in UTC.
$date = wp_date( $format, null, new DateTimeZone( 'UTC' ) );
} elseif ( false === $timestamp_with_offset ) { // Current time in site's timezone.
$date = wp_date( $format );
} else {
/*
* Timestamp with offset is typically produced by a UTC `strtotime()` call on an input without timezone.
* This is the best attempt to reverse that operation into a local time to use.
*/
$local_time = gmdate( 'Y-m-d H:i:s', $timestamp );
$timezone = wp_timezone();
$datetime = date_create( $local_time, $timezone );
$date = wp_date( $format, $datetime->getTimestamp(), $timezone );
}
/**
* Filters the date formatted based on the locale.
*
* @since 2.8.0
*
* @param string $date Formatted date string.
* @param string $format Format to display the date.
* @param int $timestamp A sum of Unix timestamp and timezone offset in seconds.
* Might be without offset if input omitted timestamp but requested GMT.
* @param bool $gmt Whether to use GMT timezone. Only applies if timestamp was not provided.
* Default false.
*/
$date = apply_filters( 'date_i18n', $date, $format, $timestamp, $gmt );
return $date;
}
/**
* Retrieves the date, in localized format.
*
* This is a newer function, intended to replace `date_i18n()` without legacy quirks in it.
*
* Note that, unlike `date_i18n()`, this function accepts a true Unix timestamp, not summed
* with timezone offset.
*
* @since 5.3.0
*
* @global WP_Locale $wp_locale WordPress date and time locale object.
*
* @param string $format PHP date format.
* @param int $timestamp Optional. Unix timestamp. Defaults to current time.
* @param DateTimeZone $timezone Optional. Timezone to output result in. Defaults to timezone
* from site settings.
* @return string|false The date, translated if locale specifies it. False on invalid timestamp input.
*/
function wp_date( $format, $timestamp = null, $timezone = null ) {
global $wp_locale;
if ( null === $timestamp ) {
$timestamp = time();
} elseif ( ! is_numeric( $timestamp ) ) {
return false;
}
if ( ! $timezone ) {
$timezone = wp_timezone();
}
$datetime = date_create( '@' . $timestamp );
$datetime->setTimezone( $timezone );
if ( empty( $wp_locale->month ) || empty( $wp_locale->weekday ) ) {
$date = $datetime->format( $format );
} else {
// We need to unpack shorthand `r` format because it has parts that might be localized.
$format = preg_replace( '/(?<!\\\\)r/', DATE_RFC2822, $format );
$new_format = '';
$format_length = strlen( $format );
$month = $wp_locale->get_month( $datetime->format( 'm' ) );
$weekday = $wp_locale->get_weekday( $datetime->format( 'w' ) );
for ( $i = 0; $i < $format_length; $i++ ) {
switch ( $format[ $i ] ) {
case 'D':
$new_format .= addcslashes( $wp_locale->get_weekday_abbrev( $weekday ), '\\A..Za..z' );
break;
case 'F':
$new_format .= addcslashes( $month, '\\A..Za..z' );
break;
case 'l':
$new_format .= addcslashes( $weekday, '\\A..Za..z' );
break;
case 'M':
$new_format .= addcslashes( $wp_locale->get_month_abbrev( $month ), '\\A..Za..z' );
break;
case 'a':
$new_format .= addcslashes( $wp_locale->get_meridiem( $datetime->format( 'a' ) ), '\\A..Za..z' );
break;
case 'A':
$new_format .= addcslashes( $wp_locale->get_meridiem( $datetime->format( 'A' ) ), '\\A..Za..z' );
break;
case '\\':
$new_format .= $format[ $i ];
// If character follows a slash, we add it without translating.
if ( $i < $format_length ) {
$new_format .= $format[ ++$i ];
}
break;
default:
$new_format .= $format[ $i ];
break;
}
}
$date = $datetime->format( $new_format );
$date = wp_maybe_decline_date( $date, $format );
}
/**
* Filters the date formatted based on the locale.
*
* @since 5.3.0
*
* @param string $date Formatted date string.
* @param string $format Format to display the date.
* @param int $timestamp Unix timestamp.
* @param DateTimeZone $timezone Timezone.
*/
$date = apply_filters( 'wp_date', $date, $format, $timestamp, $timezone );
return $date;
}
/**
* Determines if the date should be declined.
*
* If the locale specifies that month names require a genitive case in certain
* formats (like 'j F Y'), the month name will be replaced with a correct form.
*
* @since 4.4.0
* @since 5.4.0 The `$format` parameter was added.
*
* @global WP_Locale $wp_locale WordPress date and time locale object.
*
* @param string $date Formatted date string.
* @param string $format Optional. Date format to check. Default empty string.
* @return string The date, declined if locale specifies it.
*/
function wp_maybe_decline_date( $date, $format = '' ) {
global $wp_locale;
// i18n functions are not available in SHORTINIT mode.
if ( ! function_exists( '_x' ) ) {
return $date;
}
/*
* translators: If months in your language require a genitive case,
* translate this to 'on'. Do not translate into your own language.
*/
if ( 'on' === _x( 'off', 'decline months names: on or off' ) ) {
$months = $wp_locale->month;
$months_genitive = $wp_locale->month_genitive;
/*
* Match a format like 'j F Y' or 'j. F' (day of the month, followed by month name)
* and decline the month.
*/
if ( $format ) {
$decline = preg_match( '#[dj]\.? F#', $format );
} else {
// If the format is not passed, try to guess it from the date string.
$decline = preg_match( '#\b\d{1,2}\.? [^\d ]+\b#u', $date );
}
if ( $decline ) {
foreach ( $months as $key => $month ) {
$months[ $key ] = '# ' . preg_quote( $month, '#' ) . '\b#u';
}
foreach ( $months_genitive as $key => $month ) {
$months_genitive[ $key ] = ' ' . $month;
}
$date = preg_replace( $months, $months_genitive, $date );
}
/*
* Match a format like 'F jS' or 'F j' (month name, followed by day with an optional ordinal suffix)
* and change it to declined 'j F'.
*/
if ( $format ) {
$decline = preg_match( '#F [dj]#', $format );
} else {
// If the format is not passed, try to guess it from the date string.
$decline = preg_match( '#\b[^\d ]+ \d{1,2}(st|nd|rd|th)?\b#u', trim( $date ) );
}
if ( $decline ) {
foreach ( $months as $key => $month ) {
$months[ $key ] = '#\b' . preg_quote( $month, '#' ) . ' (\d{1,2})(st|nd|rd|th)?([-–]\d{1,2})?(st|nd|rd|th)?\b#u';
}
foreach ( $months_genitive as $key => $month ) {
$months_genitive[ $key ] = '$1$3 ' . $month;
}
$date = preg_replace( $months, $months_genitive, $date );
}
}
// Used for locale-specific rules.
$locale = get_locale();
if ( 'ca' === $locale ) {
// " de abril| de agost| de octubre..." -> " d'abril| d'agost| d'octubre..."
$date = preg_replace( '# de ([ao])#i', " d'\\1", $date );
}
return $date;
}
/**
* Converts float number to format based on the locale.
*
* @since 2.3.0
*
* @global WP_Locale $wp_locale WordPress date and time locale object.
*
* @param float $number The number to convert based on locale.
* @param int $decimals Optional. Precision of the number of decimal places. Default 0.
* @return string Converted number in string format.
*/
function number_format_i18n( $number, $decimals = 0 ) {
global $wp_locale;
if ( isset( $wp_locale ) ) {
$formatted = number_format( $number, absint( $decimals ), $wp_locale->number_format['decimal_point'], $wp_locale->number_format['thousands_sep'] );
} else {
$formatted = number_format( $number, absint( $decimals ) );
}
/**
* Filters the number formatted based on the locale.
*
* @since 2.8.0
* @since 4.9.0 The `$number` and `$decimals` parameters were added.
*
* @param string $formatted Converted number in string format.
* @param float $number The number to convert based on locale.
* @param int $decimals Precision of the number of decimal places.
*/
return apply_filters( 'number_format_i18n', $formatted, $number, $decimals );
}
/**
* Converts a number of bytes to the largest unit the bytes will fit into.
*
* It is easier to read 1 KB than 1024 bytes and 1 MB than 1048576 bytes. Converts
* number of bytes to human readable number by taking the number of that unit
* that the bytes will go into it. Supports YB value.
*
* Please note that integers in PHP are limited to 32 bits, unless they are on
* 64 bit architecture, then they have 64 bit size. If you need to place the
* larger size then what PHP integer type will hold, then use a string. It will
* be converted to a double, which should always have 64 bit length.
*
* Technically the correct unit names for powers of 1024 are KiB, MiB etc.
*
* @since 2.3.0
* @since 6.0.0 Support for PB, EB, ZB, and YB was added.
*
* @param int|string $bytes Number of bytes. Note max integer size for integers.
* @param int $decimals Optional. Precision of number of decimal places. Default 0.
* @return string|false Number string on success, false on failure.
*/
function size_format( $bytes, $decimals = 0 ) {
$quant = array(
/* translators: Unit symbol for yottabyte. */
_x( 'YB', 'unit symbol' ) => YB_IN_BYTES,
/* translators: Unit symbol for zettabyte. */
_x( 'ZB', 'unit symbol' ) => ZB_IN_BYTES,
/* translators: Unit symbol for exabyte. */
_x( 'EB', 'unit symbol' ) => EB_IN_BYTES,
/* translators: Unit symbol for petabyte. */
_x( 'PB', 'unit symbol' ) => PB_IN_BYTES,
/* translators: Unit symbol for terabyte. */
_x( 'TB', 'unit symbol' ) => TB_IN_BYTES,
/* translators: Unit symbol for gigabyte. */
_x( 'GB', 'unit symbol' ) => GB_IN_BYTES,
/* translators: Unit symbol for megabyte. */
_x( 'MB', 'unit symbol' ) => MB_IN_BYTES,
/* translators: Unit symbol for kilobyte. */
_x( 'KB', 'unit symbol' ) => KB_IN_BYTES,
/* translators: Unit symbol for byte. */
_x( 'B', 'unit symbol' ) => 1,
);
if ( 0 === $bytes ) {
/* translators: Unit symbol for byte. */
return number_format_i18n( 0, $decimals ) . ' ' . _x( 'B', 'unit symbol' );
}
foreach ( $quant as $unit => $mag ) {
if ( (float) $bytes >= $mag ) {
return number_format_i18n( $bytes / $mag, $decimals ) . ' ' . $unit;
}
}
return false;
}
/**
* Converts a duration to human readable format.
*
* @since 5.1.0
*
* @param string $duration Duration will be in string format (HH:ii:ss) OR (ii:ss),
* with a possible prepended negative sign (-).
* @return string|false A human readable duration string, false on failure.
*/
function human_readable_duration( $duration = '' ) {
if ( ( empty( $duration ) || ! is_string( $duration ) ) ) {
return false;
}
$duration = trim( $duration );
// Remove prepended negative sign.
if ( str_starts_with( $duration, '-' ) ) {
$duration = substr( $duration, 1 );
}
// Extract duration parts.
$duration_parts = array_reverse( explode( ':', $duration ) );
$duration_count = count( $duration_parts );
$hour = null;
$minute = null;
$second = null;
if ( 3 === $duration_count ) {
// Validate HH:ii:ss duration format.
if ( ! ( (bool) preg_match( '/^([0-9]+):([0-5]?[0-9]):([0-5]?[0-9])$/', $duration ) ) ) {
return false;
}
// Three parts: hours, minutes & seconds.
list( $second, $minute, $hour ) = $duration_parts;
} elseif ( 2 === $duration_count ) {
// Validate ii:ss duration format.
if ( ! ( (bool) preg_match( '/^([0-5]?[0-9]):([0-5]?[0-9])$/', $duration ) ) ) {
return false;
}
// Two parts: minutes & seconds.
list( $second, $minute ) = $duration_parts;
} else {
return false;
}
$human_readable_duration = array();
// Add the hour part to the string.
if ( is_numeric( $hour ) ) {
/* translators: %s: Time duration in hour or hours. */
$human_readable_duration[] = sprintf( _n( '%s hour', '%s hours', $hour ), (int) $hour );
}
// Add the minute part to the string.
if ( is_numeric( $minute ) ) {
/* translators: %s: Time duration in minute or minutes. */
$human_readable_duration[] = sprintf( _n( '%s minute', '%s minutes', $minute ), (int) $minute );
}
// Add the second part to the string.
if ( is_numeric( $second ) ) {
/* translators: %s: Time duration in second or seconds. */
$human_readable_duration[] = sprintf( _n( '%s second', '%s seconds', $second ), (int) $second );
}
return implode( ', ', $human_readable_duration );
}
/**
* Gets the week start and end from the datetime or date string from MySQL.
*
* @since 0.71
*
* @param string $mysqlstring Date or datetime field type from MySQL.
* @param int|string $start_of_week Optional. Start of the week as an integer. Default empty string.
* @return int[] {
* Week start and end dates as Unix timestamps.
*
* @type int $start The week start date as a Unix timestamp.
* @type int $end The week end date as a Unix timestamp.
* }
*/
function get_weekstartend( $mysqlstring, $start_of_week = '' ) {
// MySQL string year.
$my = substr( $mysqlstring, 0, 4 );
// MySQL string month.
$mm = substr( $mysqlstring, 8, 2 );
// MySQL string day.
$md = substr( $mysqlstring, 5, 2 );
// The timestamp for MySQL string day.
$day = mktime( 0, 0, 0, $md, $mm, $my );
// The day of the week from the timestamp.
$weekday = gmdate( 'w', $day );
if ( ! is_numeric( $start_of_week ) ) {
$start_of_week = get_option( 'start_of_week' );
}
if ( $weekday < $start_of_week ) {
$weekday += 7;
}
// The most recent week start day on or before $day.
$start = $day - DAY_IN_SECONDS * ( $weekday - $start_of_week );
// $start + 1 week - 1 second.
$end = $start + WEEK_IN_SECONDS - 1;
return compact( 'start', 'end' );
}
/**
* Serializes data, if needed.
*
* @since 2.0.5
*
* @param string|array|object $data Data that might be serialized.
* @return mixed A scalar data.
*/
function maybe_serialize( $data ) {
if ( is_array( $data ) || is_object( $data ) ) {
return serialize( $data );
}
/*
* Double serialization is required for backward compatibility.
* See https://core.trac.wordpress.org/ticket/12930
* Also the world will end. See WP 3.6.1.
*/
if ( is_serialized( $data, false ) ) {
return serialize( $data );
}
return $data;
}
/**
* Unserializes data only if it was serialized.
*
* @since 2.0.0
*
* @param string $data Data that might be unserialized.
* @return mixed Unserialized data can be any type.
*/
function maybe_unserialize( $data ) {
if ( is_serialized( $data ) ) { // Don't attempt to unserialize data that wasn't serialized going in.
return @unserialize( trim( $data ) );
}
return $data;
}
/**
* Checks value to find if it was serialized.
*
* If $data is not a string, then returned value will always be false.
* Serialized data is always a string.
*
* @since 2.0.5
* @since 6.1.0 Added Enum support.
*
* @param string $data Value to check to see if was serialized.
* @param bool $strict Optional. Whether to be strict about the end of the string. Default true.
* @return bool False if not serialized and true if it was.
*/
function is_serialized( $data, $strict = true ) {
// If it isn't a string, it isn't serialized.
if ( ! is_string( $data ) ) {
return false;
}
$data = trim( $data );
if ( 'N;' === $data ) {
return true;
}
if ( strlen( $data ) < 4 ) {
return false;
}
if ( ':' !== $data[1] ) {
return false;
}
if ( $strict ) {
$lastc = substr( $data, -1 );
if ( ';' !== $lastc && '}' !== $lastc ) {
return false;
}
} else {
$semicolon = strpos( $data, ';' );
$brace = strpos( $data, '}' );
// Either ; or } must exist.
if ( false === $semicolon && false === $brace ) {
return false;
}
// But neither must be in the first X characters.
if ( false !== $semicolon && $semicolon < 3 ) {
return false;
}
if ( false !== $brace && $brace < 4 ) {
return false;
}
}
$token = $data[0];
switch ( $token ) {
case 's':
if ( $strict ) {
if ( '"' !== substr( $data, -2, 1 ) ) {
return false;
}
} elseif ( ! str_contains( $data, '"' ) ) {
return false;
}
// Or else fall through.
case 'a':
case 'O':
case 'E':
return (bool) preg_match( "/^{$token}:[0-9]+:/s", $data );
case 'b':
case 'i':
case 'd':
$end = $strict ? '$' : '';
return (bool) preg_match( "/^{$token}:[0-9.E+-]+;$end/", $data );
}
return false;
}
/**
* Checks whether serialized data is of string type.
*
* @since 2.0.5
*
* @param string $data Serialized data.
* @return bool False if not a serialized string, true if it is.
*/
function is_serialized_string( $data ) {
// if it isn't a string, it isn't a serialized string.
if ( ! is_string( $data ) ) {
return false;
}
$data = trim( $data );
if ( strlen( $data ) < 4 ) {
return false;
} elseif ( ':' !== $data[1] ) {
return false;
} elseif ( ! str_ends_with( $data, ';' ) ) {
return false;
} elseif ( 's' !== $data[0] ) {
return false;
} elseif ( '"' !== substr( $data, -2, 1 ) ) {
return false;
} else {
return true;
}
}
/**
* Retrieves post title from XMLRPC XML.
*
* If the title element is not part of the XML, then the default post title from
* the $post_default_title will be used instead.
*
* @since 0.71
*
* @global string $post_default_title Default XML-RPC post title.
*
* @param string $content XMLRPC XML Request content
* @return string Post title
*/
function xmlrpc_getposttitle( $content ) {
global $post_default_title;
if ( preg_match( '/<title>(.+?)<\/title>/is', $content, $matchtitle ) ) {
$post_title = $matchtitle[1];
} else {
$post_title = $post_default_title;
}
return $post_title;
}
/**
* Retrieves the post category or categories from XMLRPC XML.
*
* If the category element is not found, then the default post category will be
* used. The return type then would be what $post_default_category. If the
* category is found, then it will always be an array.
*
* @since 0.71
*
* @global string $post_default_category Default XML-RPC post category.
*
* @param string $content XMLRPC XML Request content
* @return string|array List of categories or category name.
*/
function xmlrpc_getpostcategory( $content ) {
global $post_default_category;
if ( preg_match( '/<category>(.+?)<\/category>/is', $content, $matchcat ) ) {
$post_category = trim( $matchcat[1], ',' );
$post_category = explode( ',', $post_category );
} else {
$post_category = $post_default_category;
}
return $post_category;
}
/**
* XMLRPC XML content without title and category elements.
*
* @since 0.71
*
* @param string $content XML-RPC XML Request content.
* @return string XMLRPC XML Request content without title and category elements.
*/
function xmlrpc_removepostdata( $content ) {
$content = preg_replace( '/<title>(.+?)<\/title>/si', '', $content );
$content = preg_replace( '/<category>(.+?)<\/category>/si', '', $content );
$content = trim( $content );
return $content;
}
/**
* Uses RegEx to extract URLs from arbitrary content.
*
* @since 3.7.0
* @since 6.0.0 Fixes support for HTML entities (Trac 30580).
*
* @param string $content Content to extract URLs from.
* @return string[] Array of URLs found in passed string.
*/
function wp_extract_urls( $content ) {
preg_match_all(
"#([\"']?)("
. '(?:([\w-]+:)?//?)'
. '[^\s()<>]+'
. '[.]'
. '(?:'
. '\([\w\d]+\)|'
. '(?:'
. "[^`!()\[\]{}:'\".,<>«»“”‘’\s]|"
. '(?:[:]\d+)?/?'
. ')+'
. ')'
. ")\\1#",
$content,
$post_links
);
$post_links = array_unique(
array_map(
static function ( $link ) {
// Decode to replace valid entities, like &.
$link = html_entity_decode( $link );
// Maintain backward compatibility by removing extraneous semi-colons (`;`).
return str_replace( ';', '', $link );
},
$post_links[2]
)
);
return array_values( $post_links );
}
/**
* Checks content for video and audio links to add as enclosures.
*
* Will not add enclosures that have already been added and will
* remove enclosures that are no longer in the post. This is called as
* pingbacks and trackbacks.
*
* @since 1.5.0
* @since 5.3.0 The `$content` parameter was made optional, and the `$post` parameter was
* updated to accept a post ID or a WP_Post object.
* @since 5.6.0 The `$content` parameter is no longer optional, but passing `null` to skip it
* is still supported.
*
* @global wpdb $wpdb WordPress database abstraction object.
*
* @param string|null $content Post content. If `null`, the `post_content` field from `$post` is used.
* @param int|WP_Post $post Post ID or post object.
* @return void|false Void on success, false if the post is not found.
*/
function do_enclose( $content, $post ) {
global $wpdb;
// @todo Tidy this code and make the debug code optional.
require_once ABSPATH . WPINC . '/class-IXR.php';
$post = get_post( $post );
if ( ! $post ) {
return false;
}
if ( null === $content ) {
$content = $post->post_content;
}
$post_links = array();
$pung = get_enclosed( $post->ID );
$post_links_temp = wp_extract_urls( $content );
foreach ( $pung as $link_test ) {
// Link is no longer in post.
if ( ! in_array( $link_test, $post_links_temp, true ) ) {
$mids = $wpdb->get_col( $wpdb->prepare( "SELECT meta_id FROM $wpdb->postmeta WHERE post_id = %d AND meta_key = 'enclosure' AND meta_value LIKE %s", $post->ID, $wpdb->esc_like( $link_test ) . '%' ) );
foreach ( $mids as $mid ) {
delete_metadata_by_mid( 'post', $mid );
}
}
}
foreach ( (array) $post_links_temp as $link_test ) {
// If we haven't pung it already.
if ( ! in_array( $link_test, $pung, true ) ) {
$test = parse_url( $link_test );
if ( false === $test ) {
continue;
}
if ( isset( $test['query'] ) ) {
$post_links[] = $link_test;
} elseif ( isset( $test['path'] ) && ( '/' !== $test['path'] ) && ( '' !== $test['path'] ) ) {
$post_links[] = $link_test;
}
}
}
/**
* Filters the list of enclosure links before querying the database.
*
* Allows for the addition and/or removal of potential enclosures to save
* to postmeta before checking the database for existing enclosures.
*
* @since 4.4.0
*
* @param string[] $post_links An array of enclosure links.
* @param int $post_id Post ID.
*/
$post_links = apply_filters( 'enclosure_links', $post_links, $post->ID );
foreach ( (array) $post_links as $url ) {
$url = strip_fragment_from_url( $url );
if ( '' !== $url && ! $wpdb->get_var( $wpdb->prepare( "SELECT post_id FROM $wpdb->postmeta WHERE post_id = %d AND meta_key = 'enclosure' AND meta_value LIKE %s", $post->ID, $wpdb->esc_like( $url ) . '%' ) ) ) {
$headers = wp_get_http_headers( $url );
if ( $headers ) {
$len = isset( $headers['Content-Length'] ) ? (int) $headers['Content-Length'] : 0;
$type = isset( $headers['Content-Type'] ) ? $headers['Content-Type'] : '';
$allowed_types = array( 'video', 'audio' );
// Check to see if we can figure out the mime type from the extension.
$url_parts = parse_url( $url );
if ( false !== $url_parts && ! empty( $url_parts['path'] ) ) {
$extension = pathinfo( $url_parts['path'], PATHINFO_EXTENSION );
if ( ! empty( $extension ) ) {
foreach ( wp_get_mime_types() as $exts => $mime ) {
if ( preg_match( '!^(' . $exts . ')$!i', $extension ) ) {
$type = $mime;
break;
}
}
}
}
if ( in_array( substr( $type, 0, strpos( $type, '/' ) ), $allowed_types, true ) ) {
add_post_meta( $post->ID, 'enclosure', "$url\n$len\n$mime\n" );
}
}
}
}
}
/**
* Retrieves HTTP Headers from URL.
*
* @since 1.5.1
*
* @param string $url URL to retrieve HTTP headers from.
* @param bool $deprecated Not Used.
* @return \WpOrg\Requests\Utility\CaseInsensitiveDictionary|false Headers on success, false on failure.
*/
function wp_get_http_headers( $url, $deprecated = false ) {
if ( ! empty( $deprecated ) ) {
_deprecated_argument( __FUNCTION__, '2.7.0' );
}
$response = wp_safe_remote_head( $url );
if ( is_wp_error( $response ) ) {
return false;
}
return wp_remote_retrieve_headers( $response );
}
/**
* Determines whether the publish date of the current post in the loop is different
* from the publish date of the previous post in the loop.
*
* For more information on this and similar theme functions, check out
* the {@link https://developer.wordpress.org/themes/basics/conditional-tags/
* Conditional Tags} article in the Theme Developer Handbook.
*
* @since 0.71
*
* @global string $currentday The day of the current post in the loop.
* @global string $previousday The day of the previous post in the loop.
*
* @return int 1 when new day, 0 if not a new day.
*/
function is_new_day() {
global $currentday, $previousday;
if ( $currentday !== $previousday ) {
return 1;
} else {
return 0;
}
}
/**
* Builds URL query based on an associative and, or indexed array.
*
* This is a convenient function for easily building url queries. It sets the
* separator to '&' and uses _http_build_query() function.
*
* @since 2.3.0
*
* @see _http_build_query() Used to build the query
* @link https://www.php.net/manual/en/function.http-build-query.php for more on what
* http_build_query() does.
*
* @param array $data URL-encode key/value pairs.
* @return string URL-encoded string.
*/
function build_query( $data ) {
return _http_build_query( $data, null, '&', '', false );
}
/**
* From php.net (modified by Mark Jaquith to behave like the native PHP5 function).
*
* @since 3.2.0
* @access private
*
* @see https://www.php.net/manual/en/function.http-build-query.php
*
* @param array|object $data An array or object of data. Converted to array.
* @param string $prefix Optional. Numeric index. If set, start parameter numbering with it.
* Default null.
* @param string $sep Optional. Argument separator; defaults to 'arg_separator.output'.
* Default null.
* @param string $key Optional. Used to prefix key name. Default empty string.
* @param bool $urlencode Optional. Whether to use urlencode() in the result. Default true.
* @return string The query string.
*/
function _http_build_query( $data, $prefix = null, $sep = null, $key = '', $urlencode = true ) {
$ret = array();
foreach ( (array) $data as $k => $v ) {
if ( $urlencode ) {
$k = urlencode( $k );
}
if ( is_int( $k ) && null !== $prefix ) {
$k = $prefix . $k;
}
if ( ! empty( $key ) ) {
$k = $key . '%5B' . $k . '%5D';
}
if ( null === $v ) {
continue;
} elseif ( false === $v ) {
$v = '0';
}
if ( is_array( $v ) || is_object( $v ) ) {
array_push( $ret, _http_build_query( $v, '', $sep, $k, $urlencode ) );
} elseif ( $urlencode ) {
array_push( $ret, $k . '=' . urlencode( $v ) );
} else {
array_push( $ret, $k . '=' . $v );
}
}
if ( null === $sep ) {
$sep = ini_get( 'arg_separator.output' );
}
return implode( $sep, $ret );
}
/**
* Retrieves a modified URL query string.
*
* You can rebuild the URL and append query variables to the URL query by using this function.
* There are two ways to use this function; either a single key and value, or an associative array.
*
* Using a single key and value:
*
* add_query_arg( 'key', 'value', 'http://example.com' );
*
* Using an associative array:
*
* add_query_arg( array(
* 'key1' => 'value1',
* 'key2' => 'value2',
* ), 'http://example.com' );
*
* Omitting the URL from either use results in the current URL being used
* (the value of `$_SERVER['REQUEST_URI']`).
*
* Values are expected to be encoded appropriately with urlencode() or rawurlencode().
*
* Setting any query variable's value to boolean false removes the key (see remove_query_arg()).
*
* Important: The return value of add_query_arg() is not escaped by default. Output should be
* late-escaped with esc_url() or similar to help prevent vulnerability to cross-site scripting
* (XSS) attacks.
*
* @since 1.5.0
* @since 5.3.0 Formalized the existing and already documented parameters
* by adding `...$args` to the function signature.
*
* @param string|array $key Either a query variable key, or an associative array of query variables.
* @param string $value Optional. Either a query variable value, or a URL to act upon.
* @param string $url Optional. A URL to act upon.
* @return string New URL query string (unescaped).
*/
function add_query_arg( ...$args ) {
if ( is_array( $args[0] ) ) {
if ( count( $args ) < 2 || false === $args[1] ) {
$uri = $_SERVER['REQUEST_URI'];
} else {
$uri = $args[1];
}
} else {
if ( count( $args ) < 3 || false === $args[2] ) {
$uri = $_SERVER['REQUEST_URI'];
} else {
$uri = $args[2];
}
}
$frag = strstr( $uri, '#' );
if ( $frag ) {
$uri = substr( $uri, 0, -strlen( $frag ) );
} else {
$frag = '';
}
if ( 0 === stripos( $uri, 'http://' ) ) {
$protocol = 'http://';
$uri = substr( $uri, 7 );
} elseif ( 0 === stripos( $uri, 'https://' ) ) {
$protocol = 'https://';
$uri = substr( $uri, 8 );
} else {
$protocol = '';
}
if ( str_contains( $uri, '?' ) ) {
list( $base, $query ) = explode( '?', $uri, 2 );
$base .= '?';
} elseif ( $protocol || ! str_contains( $uri, '=' ) ) {
$base = $uri . '?';
$query = '';
} else {
$base = '';
$query = $uri;
}
wp_parse_str( $query, $qs );
$qs = urlencode_deep( $qs ); // This re-URL-encodes things that were already in the query string.
if ( is_array( $args[0] ) ) {
foreach ( $args[0] as $k => $v ) {
$qs[ $k ] = $v;
}
} else {
$qs[ $args[0] ] = $args[1];
}
foreach ( $qs as $k => $v ) {
if ( false === $v ) {
unset( $qs[ $k ] );
}
}
$ret = build_query( $qs );
$ret = trim( $ret, '?' );
$ret = preg_replace( '#=(&|$)#', '$1', $ret );
$ret = $protocol . $base . $ret . $frag;
$ret = rtrim( $ret, '?' );
$ret = str_replace( '?#', '#', $ret );
return $ret;
}
/**
* Removes an item or items from a query string.
*
* Important: The return value of remove_query_arg() is not escaped by default. Output should be
* late-escaped with esc_url() or similar to help prevent vulnerability to cross-site scripting
* (XSS) attacks.
*
* @since 1.5.0
*
* @param string|string[] $key Query key or keys to remove.
* @param false|string $query Optional. When false uses the current URL. Default false.
* @return string New URL query string.
*/
function remove_query_arg( $key, $query = false ) {
if ( is_array( $key ) ) { // Removing multiple keys.
foreach ( $key as $k ) {
$query = add_query_arg( $k, false, $query );
}
return $query;
}
return add_query_arg( $key, false, $query );
}
/**
* Returns an array of single-use query variable names that can be removed from a URL.
*
* @since 4.4.0
*
* @return string[] An array of query variable names to remove from the URL.
*/
function wp_removable_query_args() {
$removable_query_args = array(
'activate',
'activated',
'admin_email_remind_later',
'approved',
'core-major-auto-updates-saved',
'deactivate',
'delete_count',
'deleted',
'disabled',
'doing_wp_cron',
'enabled',
'error',
'hotkeys_highlight_first',
'hotkeys_highlight_last',
'ids',
'locked',
'message',
'same',
'saved',
'settings-updated',
'skipped',
'spammed',
'trashed',
'unspammed',
'untrashed',
'update',
'updated',
'wp-post-new-reload',
);
/**
* Filters the list of query variable names to remove.
*
* @since 4.2.0
*
* @param string[] $removable_query_args An array of query variable names to remove from a URL.
*/
return apply_filters( 'removable_query_args', $removable_query_args );
}
/**
* Walks the array while sanitizing the contents.
*
* @since 0.71
* @since 5.5.0 Non-string values are left untouched.
*
* @param array $input_array Array to walk while sanitizing contents.
* @return array Sanitized $input_array.
*/
function add_magic_quotes( $input_array ) {
foreach ( (array) $input_array as $k => $v ) {
if ( is_array( $v ) ) {
$input_array[ $k ] = add_magic_quotes( $v );
} elseif ( is_string( $v ) ) {
$input_array[ $k ] = addslashes( $v );
}
}
return $input_array;
}
/**
* HTTP request for URI to retrieve content.
*
* @since 1.5.1
*
* @see wp_safe_remote_get()
*
* @param string $uri URI/URL of web page to retrieve.
* @return string|false HTTP content. False on failure.
*/
function wp_remote_fopen( $uri ) {
$parsed_url = parse_url( $uri );
if ( ! $parsed_url || ! is_array( $parsed_url ) ) {
return false;
}
$options = array();
$options['timeout'] = 10;
$response = wp_safe_remote_get( $uri, $options );
if ( is_wp_error( $response ) ) {
return false;
}
return wp_remote_retrieve_body( $response );
}
/**
* Sets up the WordPress query.
*
* @since 2.0.0
*
* @global WP $wp Current WordPress environment instance.
* @global WP_Query $wp_query WordPress Query object.
* @global WP_Query $wp_the_query Copy of the WordPress Query object.
*
* @param string|array $query_vars Default WP_Query arguments.
*/
function wp( $query_vars = '' ) {
global $wp, $wp_query, $wp_the_query;
$wp->main( $query_vars );
if ( ! isset( $wp_the_query ) ) {
$wp_the_query = $wp_query;
}
}
/**
* Retrieves the description for the HTTP status.
*
* @since 2.3.0
* @since 3.9.0 Added status codes 418, 428, 429, 431, and 511.
* @since 4.5.0 Added status codes 308, 421, and 451.
* @since 5.1.0 Added status code 103.
*
* @global array $wp_header_to_desc
*
* @param int $code HTTP status code.
* @return string Status description if found, an empty string otherwise.
*/
function get_status_header_desc( $code ) {
global $wp_header_to_desc;
$code = absint( $code );
if ( ! isset( $wp_header_to_desc ) ) {
$wp_header_to_desc = array(
100 => 'Continue',
101 => 'Switching Protocols',
102 => 'Processing',
103 => 'Early Hints',
200 => 'OK',
201 => 'Created',
202 => 'Accepted',
203 => 'Non-Authoritative Information',
204 => 'No Content',
205 => 'Reset Content',
206 => 'Partial Content',
207 => 'Multi-Status',
226 => 'IM Used',
300 => 'Multiple Choices',
301 => 'Moved Permanently',
302 => 'Found',
303 => 'See Other',
304 => 'Not Modified',
305 => 'Use Proxy',
306 => 'Reserved',
307 => 'Temporary Redirect',
308 => 'Permanent Redirect',
400 => 'Bad Request',
401 => 'Unauthorized',
402 => 'Payment Required',
403 => 'Forbidden',
404 => 'Not Found',
405 => 'Method Not Allowed',
406 => 'Not Acceptable',
407 => 'Proxy Authentication Required',
408 => 'Request Timeout',
409 => 'Conflict',
410 => 'Gone',
411 => 'Length Required',
412 => 'Precondition Failed',
413 => 'Request Entity Too Large',
414 => 'Request-URI Too Long',
415 => 'Unsupported Media Type',
416 => 'Requested Range Not Satisfiable',
417 => 'Expectation Failed',
418 => 'I\'m a teapot',
421 => 'Misdirected Request',
422 => 'Unprocessable Entity',
423 => 'Locked',
424 => 'Failed Dependency',
426 => 'Upgrade Required',
428 => 'Precondition Required',
429 => 'Too Many Requests',
431 => 'Request Header Fields Too Large',
451 => 'Unavailable For Legal Reasons',
500 => 'Internal Server Error',
501 => 'Not Implemented',
502 => 'Bad Gateway',
503 => 'Service Unavailable',
504 => 'Gateway Timeout',
505 => 'HTTP Version Not Supported',
506 => 'Variant Also Negotiates',
507 => 'Insufficient Storage',
510 => 'Not Extended',
511 => 'Network Authentication Required',
);
}
if ( isset( $wp_header_to_desc[ $code ] ) ) {
return $wp_header_to_desc[ $code ];
} else {
return '';
}
}
/**
* Sets HTTP status header.
*
* @since 2.0.0
* @since 4.4.0 Added the `$description` parameter.
*
* @see get_status_header_desc()
*
* @param int $code HTTP status code.
* @param string $description Optional. A custom description for the HTTP status.
* Defaults to the result of get_status_header_desc() for the given code.
*/
function status_header( $code, $description = '' ) {
if ( ! $description ) {
$description = get_status_header_desc( $code );
}
if ( empty( $description ) ) {
return;
}
$protocol = wp_get_server_protocol();
$status_header = "$protocol $code $description";
if ( function_exists( 'apply_filters' ) ) {
/**
* Filters an HTTP status header.
*
* @since 2.2.0
*
* @param string $status_header HTTP status header.
* @param int $code HTTP status code.
* @param string $description Description for the status code.
* @param string $protocol Server protocol.
*/
$status_header = apply_filters( 'status_header', $status_header, $code, $description, $protocol );
}
if ( ! headers_sent() ) {
header( $status_header, true, $code );
}
}
/**
* Gets the HTTP header information to prevent caching.
*
* The several different headers cover the different ways cache prevention
* is handled by different browsers.
*
* @since 2.8.0
* @since 6.3.0 The `Cache-Control` header for logged in users now includes the
* `no-store` and `private` directives.
*
* @return array The associative array of header names and field values.
*/
function wp_get_nocache_headers() {
$cache_control = ( function_exists( 'is_user_logged_in' ) && is_user_logged_in() )
? 'no-cache, must-revalidate, max-age=0, no-store, private'
: 'no-cache, must-revalidate, max-age=0';
$headers = array(
'Expires' => 'Wed, 11 Jan 1984 05:00:00 GMT',
'Cache-Control' => $cache_control,
);
if ( function_exists( 'apply_filters' ) ) {
/**
* Filters the cache-controlling HTTP headers that are used to prevent caching.
*
* @since 2.8.0
*
* @see wp_get_nocache_headers()
*
* @param array $headers Header names and field values.
*/
$headers = (array) apply_filters( 'nocache_headers', $headers );
}
$headers['Last-Modified'] = false;
return $headers;
}
/**
* Sets the HTTP headers to prevent caching for the different browsers.
*
* Different browsers support different nocache headers, so several
* headers must be sent so that all of them get the point that no
* caching should occur.
*
* @since 2.0.0
*
* @see wp_get_nocache_headers()
*/
function nocache_headers() {
if ( headers_sent() ) {
return;
}
$headers = wp_get_nocache_headers();
unset( $headers['Last-Modified'] );
header_remove( 'Last-Modified' );
foreach ( $headers as $name => $field_value ) {
header( "{$name}: {$fie