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<?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;
Output for 5.5.0 - 5.5.35, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.6 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
25
preferences:
73.53 ms | 1721 KiB | 4 Q