- 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.
<?php
$array_1 = explode(" ", $str1);
$array_2 = explode(" ", $str1);
echo count(array_diff($array_1, $array_2);