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

Props SergeyBiryukov. Fixes #31951.
Built from https://develop.svn.wordpress.org/trunk@32114


git-svn-id: http://core.svn.wordpress.org/trunk@32093 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
Andrew Ozz 2015-04-11 23:14:26 +00:00
parent 5294e0e655
commit f008aea0e1
2 changed files with 29 additions and 11 deletions
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38
wp-includes/compat.php
View File

@ -13,25 +13,43 @@ if ( !function_exists('_') ) {
} }
} }
if ( !function_exists('mb_substr') ): if ( ! function_exists( 'mb_substr' ) ) :
function mb_substr( $str, $start, $length=null, $encoding=null ) { function mb_substr( $str, $start, $length = null, $encoding = null ) {
return _mb_substr($str, $start, $length, $encoding); return _mb_substr( $str, $start, $length, $encoding );
} }
endif; endif;
function _mb_substr( $str, $start, $length=null, $encoding=null ) { function _mb_substr( $str, $start, $length = null, $encoding = null ) {
// the solution below, works only for utf-8, so in case of a different // The solution below works only for UTF-8,
// charset, just use built-in substr // so in case of a different charset just use built-in substr()
$charset = get_option( 'blog_charset' ); $charset = get_option( 'blog_charset' );
if ( !in_array( $charset, array('utf8', 'utf-8', 'UTF8', 'UTF-8') ) ) { if ( ! in_array( $charset, array( 'utf8', 'utf-8', 'UTF8', 'UTF-8' ) ) ) {
return is_null( $length )? substr( $str, $start ) : substr( $str, $start, $length); 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 ); 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 ); 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( $match[0] );
}
if ( !function_exists('hash_hmac') ): if ( !function_exists('hash_hmac') ):
function hash_hmac($algo, $data, $key, $raw_output = false) { function hash_hmac($algo, $data, $key, $raw_output = false) {
return _hash_hmac($algo, $data, $key, $raw_output); return _hash_hmac($algo, $data, $key, $raw_output);

2
wp-includes/version.php
View File

@ -4,7 +4,7 @@
* *
* @global string $wp_version * @global string $wp_version
*/ */
$wp_version = '4.2-beta4-32113'; $wp_version = '4.2-beta4-32114';
/** /**
* Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema. * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.