sergiotarxz
/
Wordpress
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Add `mb_strlen()` compatibility function. Works the same way as the existing `mb_substr()` compatibility function. 

Props SergeyBiryukov. Fixes #31951.

git-svn-id: https://develop.svn.wordpress.org/trunk@32114 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
azaozz 2015-04-11 23:13:01 +00:00
parent 9cddb0f012
commit 2160e1ac95
1 changed files with 28 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

38
src/wp-includes/compat.php
View File

@ -13,25 +13,43 @@ if ( !function_exists('_') ) {
}
}
if ( !function_exists('mb_substr') ):
function mb_substr( $str, $start, $length=null, $encoding=null ) {
return _mb_substr($str, $start, $length, $encoding);
if ( ! function_exists( 'mb_substr' ) ) :
function mb_substr( $str, $start, $length = null, $encoding = null ) {
return _mb_substr( $str, $start, $length, $encoding );
}
endif;
function _mb_substr( $str, $start, $length=null, $encoding=null ) {
// the solution below, works only for utf-8, so in case of a different
// charset, just use built-in substr
function _mb_substr( $str, $start, $length = null, $encoding = null ) {
// The solution below works only for UTF-8,
// so in case of a different charset just use built-in substr()
$charset = get_option( 'blog_charset' );
if ( !in_array( $charset, array('utf8', 'utf-8', 'UTF8', 'UTF-8') ) ) {
return is_null( $length )? substr( $str, $start ) : substr( $str, $start, $length);
if ( ! in_array( $charset, array( 'utf8', 'utf-8', 'UTF8', 'UTF-8' ) ) ) {
return is_null( $length ) ? substr( $str, $start ) : substr( $str, $start, $length );
}
// use the regex unicode support to separate the UTF-8 characters into an array
// Use the regex unicode support to separate the UTF-8 characters into an array
preg_match_all( '/./us', $str, $match );
$chars = is_null( $length )? array_slice( $match[0], $start ) : array_slice( $match[0], $start, $length );
$chars = is_null( $length ) ? array_slice( $match[0], $start ) : array_slice( $match[0], $start, $length );
return implode( '', $chars );
}
if ( ! function_exists( 'mb_strlen' ) ) :
function mb_strlen( $str, $encoding = null ) {
return _mb_strlen( $str, $encoding );
}
endif;
function _mb_strlen( $str, $encoding = null ) {
// The solution below works only for UTF-8,
// so in case of a different charset just use built-in substr()
$charset = get_option( 'blog_charset' );
if ( ! in_array( $charset, array( 'utf8', 'utf-8', 'UTF8', 'UTF-8' ) ) ) {
return strlen( $str );
}
// Use the regex unicode support to separate the UTF-8 characters into an array
preg_match_all( '/./us', $str, $match );
return count( $match[0] );
}
if ( !function_exists('hash_hmac') ):
function hash_hmac($algo, $data, $key, $raw_output = false) {
return _hash_hmac($algo, $data, $key, $raw_output);