Lines Matching defs:offset

72      * Return part of a string given character offset (and optionally length)
75      * @param int $offset number of UTF-8 characters offset (from left)
76      * @param int $length (optional) length in UTF-8 characters from offset
82     public static function substr($str, $offset, $length = null)
86                 return mb_substr($str, $offset);
89             return mb_substr($str, $offset, $length);
97          * offset and length, we'll repeat a group of 65535 characters when needed (ok, up to MAXINT-65536)
99          * substr documentation states false can be returned in some cases (e.g. offset > string length)
108         $offset = (int)$offset;
113         if ($offset < 0 && $length < 0 && $length < $offset) return '';
119         if ($offset < 0) {
121             $offset = $strlen + $offset;
122             if ($offset < 0) $offset = 0;
125         // establish a pattern for offset, a non-captured group equal in length to offset
126         if ($offset > 0) {
127             $Ox = (int)($offset / 65535);
128             $Oy = $offset % 65535;
133             $offset_pattern = '^';                      // offset == 0; just anchor the pattern
141             if ($offset > $strlen) return '';           // another trivial case
145                 $length = min($strlen - $offset, $length);
152                 if ($length < ($offset - $strlen)) return '';
172      * @param int $start the replacing will begin at the start'th offset into string.
175      *                            replacement into string at the given start offset.
348      * @param integer $offset
354     public static function strpos($haystack, $needle, $offset = 0)
359         while ($length === null || $length < $offset) {
360             $pos = strpos($haystack, $needle, $offset + $comp);
367             if ($length < $offset)