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run code in 300+ PHP versions simultaneously
<?php // Source: https://bugs.php.net/bug.php?id=61225 $wyraz1= "baba"; $wyraz2="abba"; function testWyraz($wyraz){ $isAnagram = array(); for ($i=0;$i<strlen($wyraz);$i++) { if (isset($isAnagram[$wyraz[$i]])) $isAnagram[$wyraz[$i]]++; else $isAnagram[$wyraz[$i]] = 1; } ksort($isAnagram); return $isAnagram; } function testAnagram($wyraz,$wyraz2) { if (strlen($wyraz) == strlen($wyraz2)) { if (testWyraz($wyraz1) == testWyraz($wyraz2)) { echo "identical"; } else { echo "not ident.";}} else {echo "rozne dlugosci";} } print_r($wyn1);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Warning: Undefined variable $wyn1 in /in/vMC3W on line 28
Output for 5.0.4 - 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 - 5.5.36, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 7.3.31, 7.4.0 - 7.4.25, 7.4.27 - 7.4.33
Notice: Undefined variable: wyn1 in /in/vMC3W on line 28
Output for 7.3.32 - 7.3.33, 7.4.26
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.3
Notice: Undefined variable: wyn1 in /in/vMC3W on line 28

preferences:
268.94 ms | 402 KiB | 348 Q