3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array_1 = explode(" ", $str1); $array_2 = explode(" ", $str1); echo count(array_diff($array_1, $array_2);
Output for 5.3.0 - 5.3.28, 5.4.0 - 5.4.24
Parse error: syntax error, unexpected ';' in /in/VBnMm on line 4
Process exited with code 255.

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