3v4l.org

run code in 300+ PHP versions simultaneously
<?php // palindrom function anagram($s1, $s2) { $l1 = strlen($s1); $l2 = strlen($s2); if($l1 != $l2) return false; return ($s1); // $w1 = array(); $w2 = array(); // for($a=0; $a<$l1; $a++) { if(array_key_exists($s1[$a], $w1)) $w1[$s1[$a]] = $w1[$s1[$a]]+1; else $w[$s1[$a]] = 1; } var_dump($w1); } echo anagram('test', 'test');
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 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
test
preferences:
290.8 ms | 406 KiB | 457 Q