phpDoc updates for formatting functions. See #5638 props scohoust and santosj.

git-svn-id: http://svn.automattic.com/wordpress/trunk@8743 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
westi 2008-08-27 06:49:21 +00:00
parent f7b32217a3
commit a76720a8b7
1 changed files with 280 additions and 193 deletions

View File

@ -1,8 +1,8 @@
<?php
/**
* Main Wordpress Formatting API
* Main Wordpress Formatting API.
*
* Handles many functions for formatting output
* Handles many functions for formatting output.
*
* @package WordPress
**/
@ -18,7 +18,7 @@
* <code>
* &#8217;cause today&#8217;s effort makes it worth tomorrow&#8217;s &#8220;holiday&#8221;&#8230;
* </code>
* Code within certain html blocks are skipped.
* Code within certain html blocks are skipped.
*
* @since 0.71
* @uses $wp_cockneyreplace Array of formatted entities for certain common phrases
@ -76,13 +76,14 @@ function wptexturize($text) {
}
/**
* Accepts matches array from preg_replace_callback in wpautop() or a string
* Accepts matches array from preg_replace_callback in wpautop() or a string.
*
* Ensures that the contents of a <<pre>>...<</pre>> HTML block are not converted into paragraphs or line-breaks.
* Ensures that the contents of a <<pre>>...<</pre>> HTML block are not
* converted into paragraphs or line-breaks.
*
* @since 1.2.0
*
* @param array|string $matches The array or string
* @param array|string $matches The array or string
* @return string The pre block without paragraph/line-break conversion.
*/
function clean_pre($matches) {
@ -99,18 +100,18 @@ function clean_pre($matches) {
}
/**
* Replaces double line-breaks with paragraph elements
* Replaces double line-breaks with paragraph elements.
*
* A group of regex replaces used to identify text formatted with newlines and replace
* double line-breaks with HTML paragraph tags. The remaining line-breaks after conversion
* become <<br />> tags, unless $br is set to '0' or 'false'.
*
* A group of regex replaces used to identify text formatted with newlines and
* replace double line-breaks with HTML paragraph tags. The remaining
* line-breaks after conversion become <<br />> tags, unless $br is set to '0'
* or 'false'.
*
* @since 0.71
*
* @param string $pee The text which has to be formatted.
* @param int|bool $br Optional. If set, this will convert all remaining line-breaks after paragraphing. Default true.
* @return string Text which has been converted into correct paragraph tags.
* @param int|bool $br Optional. If set, this will convert all remaining line-breaks after paragraphing. Default true.
* @return string Text which has been converted into correct paragraph tags.
*/
function wpautop($pee, $br = 1) {
$pee = $pee . "\n"; // just to make things a little easier, pad the end
@ -179,19 +180,19 @@ function seems_utf8($Str) { # by bmorel at ssi dot fr
}
/**
* Converts a number of special characters into their HTML entities
* Converts a number of special characters into their HTML entities.
*
* Differs from htmlspecialchars as existing HTML entities will not be encoded. Specificically
* changes: & to &#038;, < to &lt; and > to &gt;.
* Differs from htmlspecialchars as existing HTML entities will not be encoded.
* Specificically changes: & to &#038;, < to &lt; and > to &gt;.
*
* $quotes can be set to 'single' to encode ' to &#039;, 'double' to encode " to &quot;, or '1' to do both.
* Default is 0 where no quotes are encoded.
* $quotes can be set to 'single' to encode ' to &#039;, 'double' to encode " to
* &quot;, or '1' to do both. Default is 0 where no quotes are encoded.
*
* @since 1.2.2
*
* @param string $text The text which is to be encoded
* @param mixed $quotes Optional. Converts single quotes if set to 'single', double if set to 'double' or both if otherwise set. Default 0.
* @return string The encoded text with HTML entities.
* @param string $text The text which is to be encoded.
* @param mixed $quotes Optional. Converts single quotes if set to 'single', double if set to 'double' or both if otherwise set. Default 0.
* @return string The encoded text with HTML entities.
*/
function wp_specialchars( $text, $quotes = 0 ) {
// Like htmlspecialchars except don't double-encode HTML entities
@ -264,14 +265,14 @@ function utf8_uri_encode( $utf8_string, $length = 0 ) {
}
/**
* Replaces accents in a string
* Replaces accents in a string.
*
* {@internal Missing Long Description}}
*
* @since 1.2.1
*
* @param string $string The text to be filtered.
* @return string Filtered string with replaced "nice" characters
* @return string Filtered string with replaced "nice" characters.
*/
function remove_accents($string) {
if ( !preg_match('/[\x80-\xff]/', $string) )
@ -404,14 +405,14 @@ function remove_accents($string) {
}
/**
* Filters certain characters from the file name.
* Filters certain characters from the file name.
*
* {@internal Missing Long Description}}
*
* @since 2.1.0
*
* @param string $name The string to be sanitized
* @return string Sanitized string
* @param string $name The string to be sanitized.
* @return string Sanitized string.
*/
function sanitize_file_name( $name ) { // Like sanitize_title, but with periods
$name = strtolower( $name );
@ -426,15 +427,16 @@ function sanitize_file_name( $name ) { // Like sanitize_title, but with periods
}
/**
* Removes characters from the username
* Removes characters from the username.
*
* If $strict is true, only alphanumeric characters (as well as _, space, ., -, @) are returned.
* If $strict is true, only alphanumeric characters (as well as _, space, ., -,
* @) are returned.
*
* @since 2.0.0
*
* @param string $username The username to be sanitized.
* @param bool $strict If set limits $username to specific characters. Default false.
* @return string The sanitized username, after passing through filters.
* @param string $username The username to be sanitized.
* @param bool $strict If set limits $username to specific characters. Default false.
* @return string The sanitized username, after passing through filters.
*/
function sanitize_user( $username, $strict = false ) {
$raw_username = $username;
@ -454,16 +456,17 @@ function sanitize_user( $username, $strict = false ) {
}
/**
* Returns a string which has been sanitized.
* Returns a string which has been sanitized.
*
* Specifically, HTML and PHP tags are stripped. Further actions can be added via the
* plugin API. If $title is empty and $fallback_title is set, the latter will be used.
* Specifically, HTML and PHP tags are stripped. Further actions can be added
* via the plugin API. If $title is empty and $fallback_title is set, the latter
* will be used.
*
* @since 1.0.0
*
* @param string $title The string to be sanitized.
* @param string $fallback_title Optional. A title to use if $title is empty.
* @return string The sanitized string.
* @param string $title The string to be sanitized.
* @param string $fallback_title Optional. A title to use if $title is empty.
* @return string The sanitized string.
*/
function sanitize_title($title, $fallback_title = '') {
$title = strip_tags($title);
@ -476,14 +479,14 @@ function sanitize_title($title, $fallback_title = '') {
}
/**
* Replaces the string with safe characters. Whitespace becomes a dash.
* Replaces the string with safe characters. Whitespace becomes a dash.
*
* Limits the output to alphanumeric characters, underscore (_) and dash (-).
* Limits the output to alphanumeric characters, underscore (_) and dash (-).
*
* @since 1.2.0
*
* @param string $title The title to be sanitized
* @return string The sanitized title
* @param string $title The title to be sanitized.
* @return string The sanitized title.
*/
function sanitize_title_with_dashes($title) {
$title = strip_tags($title);
@ -513,13 +516,14 @@ function sanitize_title_with_dashes($title) {
}
/**
* Ensures a string is a valid SQL order by clause.
* Ensures a string is a valid SQL order by clause.
*
* Accepts one or more columns, with or without ASC/DESC, and also accepts RAND()
* Accepts one or more columns, with or without ASC/DESC, and also accepts
* RAND().
*
* @since 2.5.1
*
* @param string $orderby Order by string to be checked
* @param string $orderby Order by string to be checked.
* @return string|false Returns the order by clause if it is a match, false otherwise.
*/
function sanitize_sql_orderby( $orderby ){
@ -530,15 +534,16 @@ function sanitize_sql_orderby( $orderby ){
}
/**
* Converts a number of characters from a string
* Converts a number of characters from a string.
*
* Metadata tags <<title>> and <<category>> are removed, <<br>> and <<hr>> are converted into correct
* XHTML and Unicode characters are converted to the valid range.
* Metadata tags <<title>> and <<category>> are removed, <<br>> and <<hr>> are
* converted into correct XHTML and Unicode characters are converted to the
* valid range.
*
* @since 0.71
*
* @param string $content String of characters to be converted
* @param string $deprecated Not used
* @param string $content String of characters to be converted.
* @param string $deprecated Not used.
* @return string Converted string.
*/
function convert_chars($content, $deprecated = '') {
@ -596,7 +601,7 @@ function convert_chars($content, $deprecated = '') {
}
/**
* Fixes javascript bugs in browsers.
* Fixes javascript bugs in browsers.
*
* {@internal Missing Long Description}}
*
@ -604,8 +609,8 @@ function convert_chars($content, $deprecated = '') {
* @uses $is_macIE
* @uses $is_winIE
*
* @param string $text Text to be made safe
* @return string Fixed text
* @param string $text Text to be made safe.
* @return string Fixed text.
*/
function funky_javascript_fix($text) {
// Fixes for browsers' javascript bugs
@ -651,8 +656,8 @@ function balanceTags( $text, $force = false ) {
* Added Cleaning Hooks
* 1.0 First Version
*
* @param string $text Text to be balanced
* @return string Balanced text
* @param string $text Text to be balanced.
* @return string Balanced text.
*/
function force_balance_tags( $text ) {
$tagstack = array(); $stacksize = 0; $tagqueue = ''; $newtext = '';
@ -754,17 +759,17 @@ function force_balance_tags( $text ) {
}
/**
* Acts on text which is about to be edited
* Acts on text which is about to be edited.
*
* Unless $richedit is set, it is simply a holder for the 'format_to_edit' filter. If $richedit
* is set true htmlspecialchars() will be run on the content, converting special characters to
* HTMl entities.
* Unless $richedit is set, it is simply a holder for the 'format_to_edit'
* filter. If $richedit is set true htmlspecialchars() will be run on the
* content, converting special characters to HTMl entities.
*
* @since 0.71
*
* @param string $content The text about to be edited.
* @param bool $richedit Whether or not the $content should pass through htmlspecialchars(). Default false.
* @return string The text after the filter (and possibly htmlspecialchars()) has been run.
* @param string $content The text about to be edited.
* @param bool $richedit Whether or not the $content should pass through htmlspecialchars(). Default false.
* @return string The text after the filter (and possibly htmlspecialchars()) has been run.
*/
function format_to_edit($content, $richedit = false) {
$content = apply_filters('format_to_edit', $content);
@ -781,7 +786,7 @@ function format_to_edit($content, $richedit = false) {
* @since 0.71
*
* @param string $content The text to pass through the filter.
* @return string Text returned from the 'format_to_post' filter.
* @return string Text returned from the 'format_to_post' filter.
*/
function format_to_post($content) {
$content = apply_filters('format_to_post', $content);
@ -789,7 +794,7 @@ function format_to_post($content) {
}
/**
* Add leading zeros when necessary
* Add leading zeros when necessary.
*
* {@internal Missing Long Description}}
*
@ -820,51 +825,49 @@ function backslashit($string) {
}
/**
* Appends a trailing slash
* Appends a trailing slash.
*
* Will remove trailing slash if it exists already before adding
* a trailing slash. This prevents double slashing a string or
* path.
* Will remove trailing slash if it exists already before adding a trailing
* slash. This prevents double slashing a string or path.
*
* The primary use of this is for paths and thus should be used
* for paths. It is not restricted to paths and offers no specific
* path support.
* The primary use of this is for paths and thus should be used for paths. It is
* not restricted to paths and offers no specific path support.
*
* @since 1.2.0
* @uses untrailingslashit() Unslashes string if it was slashed already
* @uses untrailingslashit() Unslashes string if it was slashed already.
*
* @param string $string What to add the trailing slash to
* @return string String with trailing slash added
* @param string $string What to add the trailing slash to.
* @return string String with trailing slash added.
*/
function trailingslashit($string) {
return untrailingslashit($string) . '/';
}
/**
* Removes trailing slash if it exists
* Removes trailing slash if it exists.
*
* The primary use of this is for paths and thus should be used
* for paths. It is not restricted to paths and offers no specific
* path support.
* The primary use of this is for paths and thus should be used for paths. It is
* not restricted to paths and offers no specific path support.
*
* @since 2.2.0
*
* @param string $string What to remove the trailing slash from
* @return string String without the trailing slash
* @param string $string What to remove the trailing slash from.
* @return string String without the trailing slash.
*/
function untrailingslashit($string) {
return rtrim($string, '/');
}
/**
* addslashes_gpc() - {@internal Missing Short Description}}
* Adds slashes to escape strings.
*
* {@internal Missing Long Description}}
* Slashes will first be removed if magic_quotes_gpc is set,
* see {@link http://www.php.net/magic_quotes} for more details.
*
* @since 0.71
*
* @param unknown_type $gpc
* @return unknown
* @param string $gpc The string returned from HTTP request data.
* @return string Returns a string escaped with slashes.
*/
function addslashes_gpc($gpc) {
global $wpdb;
@ -877,14 +880,16 @@ function addslashes_gpc($gpc) {
}
/**
* stripslashes_deep() - {@internal Missing Short Description}}
* Navigates through an array and removes slashes from the values.
*
* {@internal Missing Long Description}}
* If an array is passed, the array_map() function causes a callback to
* pass the value back to the function. The slashes from this value will
* removed.
*
* @since 2.0.0
*
* @param unknown_type $value
* @return unknown
* @param array|string $value The array or string to be striped.
* @return array|string Stripped array (or string in the callback).
*/
function stripslashes_deep($value) {
$value = is_array($value) ?
@ -895,14 +900,15 @@ function stripslashes_deep($value) {
}
/**
* urlencode_deep() - {@internal Missing Short Description}}
* Navigates through an array and encodes the values to be used in a URL.
*
* {@internal Missing Long Description}}
* Uses a callback to pass the value of the array back to the function as a
* string.
*
* @since 2.2.0
*
* @param unknown_type $value
* @return unknown
* @param array|string $value The array or string to be encoded.
* @return array|string $value The encoded array (or string from the callback).
*/
function urlencode_deep($value) {
$value = is_array($value) ?
@ -945,7 +951,7 @@ function antispambot($emailaddy, $mailto=0) {
*
* {@internal Missing Long Description}}
*
* @since 2.5
* @since 2.5.0
* @access private
*
* @param unknown_type $matches
@ -970,7 +976,7 @@ function _make_url_clickable_cb($matches) {
*
* {@internal Missing Long Description}}
*
* @since 2.5
* @since 2.5.0
* @access private
*
* @param unknown_type $matches
@ -996,7 +1002,7 @@ function _make_web_ftp_clickable_cb($matches) {
*
* {@internal Missing Long Description}}
*
* @since 2.5
* @since 2.5.0
* @access private
*
* @param unknown_type $matches
@ -1096,14 +1102,14 @@ function convert_smilies($text) {
}
/**
* is_email() - {@internal Missing Short Description}}
* Checks to see if the text is a valid email address.
*
* {@internal Missing Long Description}}
*
* @since 0.71
*
* @param unknown_type $user_email
* @return unknown
* @param string $user_email The email address to be checked.
* @return bool Returns true if valid, otherwise false.
*/
function is_email($user_email) {
$chars = "/^([a-z0-9+_]|\\-|\\.)+@(([a-z0-9_]|\\-)+\\.)+[a-z]{2,6}\$/i";
@ -1141,17 +1147,17 @@ function wp_iso_descrambler($string) {
}
/**
* get_gmt_from_date() - Give it a date, it will give you the same date as GMT
* Returns a date in the GMT equivalent.
*
* {@internal Missing Long Description}}
* Requires and returns a date in the Y-m-d H:i:s format.
* Simply subtracts the value of gmt_offset.
*
* @since 1.2.0
*
* @param unknown_type $string
* @return unknown
* @param string $string The date to be converted.
* @return string GMT version of the date provided.
*/
function get_gmt_from_date($string) {
// note: this only substracts $time_difference from the given date
preg_match('#([0-9]{1,4})-([0-9]{1,2})-([0-9]{1,2}) ([0-9]{1,2}):([0-9]{1,2}):([0-9]{1,2})#', $string, $matches);
$string_time = gmmktime($matches[4], $matches[5], $matches[6], $matches[2], $matches[3], $matches[1]);
$string_gmt = gmdate('Y-m-d H:i:s', $string_time - get_option('gmt_offset') * 3600);
@ -1159,17 +1165,17 @@ function get_gmt_from_date($string) {
}
/**
* get_date_from_gmt() - Give it a GMT date, it will give you the same date with $time_difference added
* Converts a GMT date into the correct format for the blog.
*
* {@internal Missing Long Description}}
* Requires and returns in the Y-m-d H:i:s format. Simply
* adds the value of gmt_offset.
*
* @since 1.2.0
*
* @param unknown_type $string
* @return unknown
* @param string $string The date to be converted.
* @return string Formatted date relative to the GMT offset.
*/
function get_date_from_gmt($string) {
// note: this only adds $time_difference to the given date
preg_match('#([0-9]{1,4})-([0-9]{1,2})-([0-9]{1,2}) ([0-9]{1,2}):([0-9]{1,2}):([0-9]{1,2})#', $string, $matches);
$string_time = gmmktime($matches[4], $matches[5], $matches[6], $matches[2], $matches[3], $matches[1]);
$string_localtime = gmdate('Y-m-d H:i:s', $string_time + get_option('gmt_offset')*3600);
@ -1177,14 +1183,14 @@ function get_date_from_gmt($string) {
}
/**
* iso8601_timezone_to_offset() - Computes an offset in seconds from an iso8601 timezone
* Computes an offset in seconds from an iso8601 timezone.
*
* {@internal Missing Long Description}}
*
* @since 1.5.0
*
* @param unknown_type $timezone
* @return unknown
* @param string $timezone Either 'Z' for 0 offset or '±hhmm'.
* @return int|float The offset in seconds.
*/
function iso8601_timezone_to_offset($timezone) {
// $timezone is either 'Z' or '[+|-]hhmm'
@ -1200,15 +1206,15 @@ function iso8601_timezone_to_offset($timezone) {
}
/**
* iso8601_to_datetime() - Converts an iso8601 date to MySQL DateTime format used by post_date[_gmt]
* Converts an iso8601 date to MySQL DateTime format used by post_date[_gmt].
*
* {@internal Missing Long Description}}
*
* @since 1.5.0
*
* @param unknown_type $date_string
* @param unknown_type $timezone
* @return unknown
* @param string $date_string Date and time in ISO 8601 format {@link http://en.wikipedia.org/wiki/ISO_8601}.
* @param unknown_type $timezone Optional. If set to GMT returns the time minus gmt_offset. Default USER.
* @return string The date and time in MySQL DateTime format - Y-m-d H:i:s.
*/
function iso8601_to_datetime($date_string, $timezone = USER) {
if ($timezone == GMT) {
@ -1232,17 +1238,16 @@ function iso8601_to_datetime($date_string, $timezone = USER) {
}
/**
* Adds a element attributes to open links in new windows
* Adds a element attributes to open links in new windows.
*
* Comment text in popup windows should be filtered through this. Right
* now it's a moderately dumb function, ideally it would detect whether
* a target or rel attribute was already there and adjust its actions
* accordingly.
* Comment text in popup windows should be filtered through this. Right now it's
* a moderately dumb function, ideally it would detect whether a target or rel
* attribute was already there and adjust its actions accordingly.
*
* @since 0.71
*
* @param string $text Content to replace links to open in a new window
* @return string Content that has filtered links
* @param string $text Content to replace links to open in a new window.
* @return string Content that has filtered links.
*/
function popuplinks($text) {
$text = preg_replace('/<a (.+?)>/i', "<a $1 target='_blank' rel='external'>", $text);
@ -1250,27 +1255,28 @@ function popuplinks($text) {
}
/**
* Strips out all characters that are not allowable in an email
* Strips out all characters that are not allowable in an email.
*
* @since 1.5.0
*
* @param string $email Email address to filter
* @return string Filtered email address
* @param string $email Email address to filter.
* @return string Filtered email address.
*/
function sanitize_email($email) {
return preg_replace('/[^a-z0-9+_.@-]/i', '', $email);
}
/**
* human_time_diff() - {@internal Missing Short Description}}
* Determines the difference between two timestamps.
*
* {@internal Missing Long Description}}
* The difference is returned in a human readable format such as
* "1 hour", "5 mins", "2 days".
*
* @since 1.5.0
*
* @param unknown_type $from
* @param unknown_type $to
* @return unknown
* @param int $from Unix timestamp from which the difference begins.
* @param int $to Optional. Unix timestamp to end the time difference. Default becomes time() if not set.
* @return string Human readable time difference.
*/
function human_time_diff( $from, $to = '' ) {
if ( empty($to) )
@ -1299,14 +1305,14 @@ function human_time_diff( $from, $to = '' ) {
}
/**
* wp_trim_excerpt() - {@internal Missing Short Description}}
* Generates an excerpt from the content if needed.
*
* {@internal Missing Long Description}}
*
* @since 1.5.0
*
* @param unknown_type $text
* @return unknown
* @param string $text The exerpt. If set to empty an excerpt is generated.
* @return string The excerpt.
*/
function wp_trim_excerpt($text) { // Fakes an excerpt if needed
if ( '' == $text ) {
@ -1329,14 +1335,14 @@ function wp_trim_excerpt($text) { // Fakes an excerpt if needed
}
/**
* ent2ncr() - {@internal Missing Short Description}}
* Converts named entities into numbered entities.
*
* {@internal Missing Long Description}}
*
* @since 1.5.1
*
* @param unknown_type $text
* @return unknown
* @param string $text The text within which entities will be converted.
* @return string Text with converted entities.
*/
function ent2ncr($text) {
$to_ncr = array(
@ -1603,14 +1609,15 @@ function ent2ncr($text) {
}
/**
* wp_richedit_pre() - {@internal Missing Short Description}}
* Formats text for the rich text editor and applies filter.
*
* {@internal Missing Long Description}}
* The filter 'richedit_pre' is applied here. If $text is empty
* the filter will be applied to an empty string.
*
* @since 2.0.0
*
* @param unknown_type $text
* @return unknown
* @param string $text The text to be formatted.
* @return string The formatted text after filter is applied.
*/
function wp_richedit_pre($text) {
// Filtering a blank results in an annoying <br />\n
@ -1623,6 +1630,17 @@ function wp_richedit_pre($text) {
return apply_filters('richedit_pre', $output);
}
/**
* Formats text for the HTML editor and applies a filter.
*
* Unless $output is empty it will pass through htmlspecialchars
* before the 'htmledit_pre' filter is applied.
*
* @since unknown
*
* @param string $output The text to be formatted.
* @return string Formatted text after filter applied.
*/
function wp_htmledit_pre($output) {
if ( !empty($output) )
$output = htmlspecialchars($output, ENT_NOQUOTES); // convert only < > &
@ -1631,16 +1649,21 @@ function wp_htmledit_pre($output) {
}
/**
* clean_url() - {@internal Missing Short Description}}
* Checks and cleans a URL.
*
* {@internal Missing Long Description}}
* A number of characters are removed from the URL. If the URL is
* for displaying (the default behaviour) amperstands are also replaced.
* The 'clean_url' filter is applied to the returned cleaned URL.
*
* @since 1.2.0
* @uses wp_kses_bad_protocol() To only permit protocols in the URL set
* via $protocols or the common ones set in the function.
*
* @param unknown_type $url
* @param unknown_type $protocols
* @param unknown_type $context
* @return unknown
* @param string $url The URL to be cleaned.
* @param array $protocols Optional. An array of acceptable protocols.
* Defaults to 'http', 'https', 'ftp', 'ftps', 'mailto', 'news', 'irc', 'gopher', 'nntp', 'feed', 'telnet' if not set.
* @param string $context Optional. How the URL will be used. Default is 'display'.
* @return string The cleaned $url after the 'cleaned_url' filter is applied.
*/
function clean_url( $url, $protocols = null, $context = 'display' ) {
$original_url = $url;
@ -1658,7 +1681,7 @@ function clean_url( $url, $protocols = null, $context = 'display' ) {
substr( $url, 0, 1 ) != '/' && !preg_match('/^[a-z0-9-]+?\.php/i', $url) )
$url = 'http://' . $url;
// Replace ampersands ony when displaying.
// Replace ampersands only when displaying.
if ( 'display' == $context )
$url = preg_replace('/&([^#])(?![a-z]{2,8};)/', '&#038;$1', $url);
@ -1671,22 +1694,22 @@ function clean_url( $url, $protocols = null, $context = 'display' ) {
}
/**
* sanitize_url() - {@internal Missing Short Description}}
* Performs clean_url() for database usage.
*
* {@internal Missing Long Description}}
* @see clean_url()
*
* @since 2.3.1
*
* @param unknown_type $url
* @param unknown_type $protocols
* @return unknown
* @param string $url The URL to be cleaned.
* @param array $protocols An array of acceptable protocols.
* @return string The cleaned URL.
*/
function sanitize_url( $url, $protocols = null ) {
return clean_url( $url, $protocols, 'db' );
}
/**
* Convert entities, while preserving already-encoded entities
* Convert entities, while preserving already-encoded entities.
*
* {@internal Missing Long Description}}
*
@ -1694,8 +1717,8 @@ function sanitize_url( $url, $protocols = null ) {
*
* @since 1.2.2
*
* @param unknown_type $myHTML
* @return unknown
* @param string $myHTML The text to be converted.
* @return string Converted text.
*/
function htmlentities2($myHTML) {
$translation_table = get_html_translation_table( HTML_ENTITIES, ENT_QUOTES );
@ -1704,14 +1727,14 @@ function htmlentities2($myHTML) {
}
/**
* Escape single quotes, specialchar double quotes, and fix line endings
* Escape single quotes, specialchar double quotes, and fix line endings.
*
* {@internal Missing Long Description}}
* The filter 'js_escape' is also applied here.
*
* @since 2.0.4
*
* @param string $text
* @return unknown
* @param string $text The text to be escaped.
* @return string Escaped text.
*/
function js_escape($text) {
$safe_text = wp_specialchars($text, 'double');
@ -1720,32 +1743,68 @@ function js_escape($text) {
return apply_filters('js_escape', $safe_text, $text);
}
// Escaping for HTML attributes
/**
* Escaping for HTML attributes.
*
* @since unknown
*
* @param string $text
* @return string
*/
function attribute_escape($text) {
$safe_text = wp_specialchars($text, true);
return apply_filters('attribute_escape', $safe_text, $text);
}
// Escape a HTML tag name
/**
* Escape a HTML tag name.
*
* @since unknown
*
* @param string $tag_name
* @return string
*/
function tag_escape($tag_name) {
$safe_tag = strtolower( preg_replace('[^a-zA-Z_:]', '', $tag_name) );
return apply_filters('tag_escape', $safe_tag, $tag_name);
}
/**
* Escapes text for SQL LIKE special characters % and _
* Escapes text for SQL LIKE special characters % and _.
*
* @param string text the text to be escaped
* @return string text, safe for inclusion in LIKE query
* @since unknown
*
* @param string $text The text to be escaped.
* @return string text, safe for inclusion in LIKE query.
*/
function like_escape($text) {
return str_replace(array("%", "_"), array("\\%", "\\_"), $text);
}
/**
* {@internal Missing Short Description}}
*
* @since unknown
*
* @param string $link
* @return string
*/
function wp_make_link_relative( $link ) {
return preg_replace('|https?://[^/]+(/.*)|i', '$1', $link );
}
/**
* Sanitises various option values based on the nature of the option.
*
* This is basically a switch statement which will pass $value through
* a number of functions depending on the $option.
*
* @since 2.0.5
*
* @param string $option The name of the option.
* @param string $value The unsanitised value.
* @return string Sanitized value.
*/
function sanitize_option($option, $value) { // Remember to call stripslashes!
switch ($option) {
@ -1821,28 +1880,48 @@ function sanitize_option($option, $value) { // Remember to call stripslashes!
}
/**
* wp_parse_str() - {@internal Missing Short Description}}
* Parses a string into variables to be stored in an array.
*
* {@internal Missing Long Description}}
* Uses {@link http://www.php.net/parse_str parse_str()} and stripslashes
* if {@link http://www.php.net/magic_quotes magic_quotes_gpc} is on.
*
* @since 2.2.1
* @uses apply_filters()
* @uses apply_filters() for the 'wp_parse_str' filter.
*
* @param string $string
* @param array $array
* @param string $string The string to be parsed.
* @param array $array Variables will be stored in this array.
*/
function wp_parse_str( $string, &$array ) {
parse_str( $string, $array );
if ( get_magic_quotes_gpc() )
$array = stripslashes_deep( $array ); // parse_str() adds slashes if magicquotes is on. See: http://php.net/parse_str
$array = stripslashes_deep( $array );
$array = apply_filters( 'wp_parse_str', $array );
}
// Convert lone less than signs. KSES already converts lone greater than signs.
/**
* Convert lone less than signs.
*
* KSES already converts lone greater than signs.
*
* @uses wp_pre_kses_less_than_callback in the callback function.
* @since unknown
*
* @param string $text Text to be converted.
* @return string Converted text.
*/
function wp_pre_kses_less_than( $text ) {
return preg_replace_callback('%<[^>]*?((?=<)|>|$)%', 'wp_pre_kses_less_than_callback', $text);
}
/**
* Callback function used by preg_replace.
*
* @since unknown
* @uses wp_specialchars to format the $matches text.
*
* @param array $matches Populated by matches to preg_replace.
* @return string The text returned after wp_specialchars if needed.
*/
function wp_pre_kses_less_than_callback( $matches ) {
if ( false === strpos($matches[0], '>') )
return wp_specialchars($matches[0]);
@ -1850,7 +1929,14 @@ function wp_pre_kses_less_than_callback( $matches ) {
}
/**
* wp_sprintf() - sprintf() with filters
* WordPress implementation of PHP sprintf() with filters.
*
* @since unknown
* @link http://www.php.net/sprintf
*
* @param string $pattern The string which formatted args are inserted.
* @param mixed $args,... Arguments to be formatted into the $pattern string.
* @return string The formatted string.
*/
function wp_sprintf( $pattern ) {
$args = func_get_args( );
@ -1905,7 +1991,9 @@ function wp_sprintf( $pattern ) {
}
/**
* wp_sprintf_l - List specifier %l for wp_sprintf
* List specifier %l for wp_sprintf.
*
* @since unknown
*
* @param unknown_type $pattern
* @param unknown_type $args
@ -1943,14 +2031,15 @@ function wp_sprintf_l($pattern, $args) {
}
/**
* Safely extracts not more than the first $count characters from html string
* Safely extracts not more than the first $count characters from html string.
*
* UTF-8, tags and entities safe prefix extraction. Entities inside will *NOT* be
* counted as one character. For example &amp; will be counted as 4, &lt; as 3, etc.
* UTF-8, tags and entities safe prefix extraction. Entities inside will *NOT*
* be counted as one character. For example &amp; will be counted as 4, &lt; as
* 3, etc.
*
* @param integer $str String to get the excerpt from
* @param integer $count Maximum number of characters to take
* @return string the excerpt
* @param integer $str String to get the excerpt from.
* @param integer $count Maximum number of characters to take.
* @return string The excerpt.
*/
function wp_html_excerpt( $str, $count ) {
$str = strip_tags( $str );
@ -1969,10 +2058,10 @@ function wp_html_excerpt( $str, $count ) {
* @package WordPress
* @since 2.7
*
* @param string $content String to search for links in
* @param string $base The base URL to prefix to links
* @param string $content String to search for links in.
* @param string $base The base URL to prefix to links.
* @param array $attrs The attributes which should be processed.
* @eaturn string The processed content.
* @return string The processed content.
*/
function links_add_base_url( $content, $base, $attrs = array('src', 'href') ) {
$attrs = implode('|', (array)$attrs);
@ -1988,10 +2077,9 @@ function links_add_base_url( $content, $base, $attrs = array('src', 'href') ) {
* @package WordPress
* @since 2.7
*
* @internal
* @param string $m The matched link
* @param string $base The base URL to prefix to links
* @eaturn string The processed link
* @param string $m The matched link.
* @param string $base The base URL to prefix to links.
* @return string The processed link.
*/
function _links_add_base($m, $base) {
//1 = attribute name 2 = quotation mark 3 = URL
@ -2012,10 +2100,10 @@ function _links_add_base($m, $base) {
* @package WordPress
* @since 2.7
*
* @param string $content String to search for links in
* @param string $target The Target to add to the links
* @param string $content String to search for links in.
* @param string $target The Target to add to the links.
* @param array $tags An array of tags to apply to.
* @eaturn string The processed content.
* @return string The processed content.
*/
function links_add_target( $content, $target = '_blank', $tags = array('a') ) {
$tags = implode('|', (array)$tags);
@ -2024,16 +2112,15 @@ function links_add_target( $content, $target = '_blank', $tags = array('a') ) {
$content);
}
/**
* Callback to add a target attribute to all links in passed content
* Callback to add a target attribute to all links in passed content.
*
*
* @package WordPress
* @since 2.7
*
* @internal
* @param string $m The matched link
* @param string $target The Target to add to the links
* @eaturn string The processed link.
* @param string $m The matched link.
* @param string $target The Target to add to the links.
* @return string The processed link.
*/
function _links_add_target( $m, $target ) {
$tag = $m[1];