PHP: Find last charactor position in strpos

Question

suppose there is string like localhost/images/pic-1.jpg.
I'm trying to find the position of s but not the/ in /images word using strpos(), I can achieve this by strpos('localhost/images/pic-1.jpg','/images')+7 but it is not pleasant.

Answer 1

If I understand the question correctly, you're trying to find the index of the end of a substring within a larger string as opposed to its beginning, which strpos would return.

Your approach seems to be right, although it could be generalized a tad:

function strendpos ($haystack, $needle) {
    $pos = strpos($haystack, $needle);
    if ($pos) {
        $pos += strlen($needle);
    }
    return $pos;
}