Online PHP editor | refs for 2X6Y3

<?php $sep = "long string"; $text = "blablablablablablablabla-long strin"; $sepLen = strlen($sep); $textLen = strlen($text); $end = $textLen; $sepLast = $sep[$sepLen - 1]; for ($pos = 0; $pos < $textLen; $pos++) { if (false === $pos = strpos($text, $sep[0], $pos)) { break; } $chunkEnd = min($sepLen, $textLen - $pos); if ($text[$pos + ($chunkEnd - 1)] != $sepLast && substr_compare($text, $sep, $pos, $chunkEnd) === 0) { $end = $pos; break; } } echo $end;