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run code in 300+ PHP versions simultaneously
<?php $str1="the cat is on the roof"; $str2="the mouse is on the roof"; $array_1 = explode(" ", $str1); $array_2 = explode(" ", $str2); echo count(array_diff($array_1, $array_2));
Output for git.master, git.master_jit, rfc.property-hooks
1

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