3v4l.org

run code in 300+ PHP versions simultaneously
<?php // Source: https://bugs.php.net/bug.php?id=61225 $wyraz1= "baba"; $wyraz2="abba"; function testAnagram($wyraz) { $isAnagram = array(); for ($i=0;$i<strlen($wyraz);$i++) { if (isset($isAnagram[$wyraz[$i]])) $isAnagram[$wyraz[$i]]++; else $isAnagram[$wyraz[$i]] = 1; } return $isAnagram; } $wyn1 = testAnagram($wyraz1); ksort($wyn1); $wyn2 = testAnagram($wyraz2); ksort($wyn2); if ($wyn1 == $wyn2) echo "identical"; else "not ident."; print_r($wyn1);
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.35, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
identicalArray ( [a] => 2 [b] => 2 )
preferences:
259.28 ms | 405 KiB | 360 Q