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Docs: Fix inline comment syntax in _mb_substr(), an internal compat method for mb_substr().

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See #32246.


git-svn-id: https://develop.svn.wordpress.org/trunk@36018 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Drew Jaynes 2015-12-19 04:49:42 +00:00
parent c848b5f670
commit 73b701b030
1 changed files with 14 additions and 6 deletions
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20
src/wp-includes/compat.php
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@ -82,14 +82,16 @@ function _mb_substr( $str, $start, $length = null, $encoding = null ) {
$encoding = get_option( 'blog_charset' );
}
// The solution below works only for UTF-8,
// so in case of a different charset just use built-in substr()
/*
* The solution below works only for UTF-8, so in case of a different
* charset just use built-in substr().
*/
if ( ! in_array( $encoding, array( 'utf8', 'utf-8', 'UTF8', 'UTF-8' ) ) ) {
return is_null( $length ) ? substr( $str, $start ) : substr( $str, $start, $length );
}
if ( _wp_can_use_pcre_u() ) {
// 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 );
return implode( '', $chars );
@ -107,16 +109,22 @@ function _mb_substr( $str, $start, $length = null, $encoding = null ) {
| \xF4[\x80-\x8F][\x80-\xBF]{2}
)/x';
$chars = array( '' ); // Start with 1 element instead of 0 since the first thing we do is pop
// Start with 1 element instead of 0 since the first thing we do is pop.
$chars = array( '' );
do {
// We had some string left over from the last round, but we counted it in that last round.
array_pop( $chars );
// Split by UTF-8 character, limit to 1000 characters (last array element will contain the rest of the string)
/*
* Split by UTF-8 character, limit to 1000 characters (last array element will contain
* the rest of the string).
*/
$pieces = preg_split( $regex, $str, 1000, PREG_SPLIT_DELIM_CAPTURE | PREG_SPLIT_NO_EMPTY );
$chars = array_merge( $chars, $pieces );
} while ( count( $pieces ) > 1 && $str = array_pop( $pieces ) ); // If there's anything left over, repeat the loop.
// If there's anything left over, repeat the loop.
} while ( count( $pieces ) > 1 && $str = array_pop( $pieces ) );
return join( '', array_slice( $chars, $start, $length ) );
}