diff options
Diffstat (limited to 'engine/lib/mb_wrapper.php')
| -rw-r--r-- | engine/lib/mb_wrapper.php | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/engine/lib/mb_wrapper.php b/engine/lib/mb_wrapper.php index 7b3327edc..411a2d5c2 100644 --- a/engine/lib/mb_wrapper.php +++ b/engine/lib/mb_wrapper.php @@ -42,5 +42,23 @@ return strtoupper($string); } + /** + * Wrapper function: Returns the result of mb_substr if mb_support is present, else the + * result of substr is returned. + * + * @param string $string The string. + * @param int $start Start position. + * @param int $length Length. + * @param string $charset The charset (if multibyte support is present) : default 'UTF8' + * @return string + */ + function elgg_substr($string, $start = 0, $length = null, $charset = 'UTF8') + { + if (is_callable('mb_substr')) + return mb_substr($string, $start, $length, $charset); + + return substr($string, $start, $length); + } + // TODO: Other wrapper functions ?>
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