public static strripos ( $haysack, $needle, $offset, $use_enc = null ) : mixed | ||
$haysack | string. The string being checked. | |
$offset | integer. The search offset. If it is not specified, 0 is used. | |
$use_enc | string. The encoding to be used. If not set, the internal encoding will be used. | |
Результат | mixed | The section of the source string requested in the encoding requested or false. If $len is not set, returns substring from $begin to end of string. |