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@ 2013-09-02T14:17:56Z

<?php
$a = array();
$a[] = 1;
$a[] = 2;
$a[] = 3;
$b = array();
$b[] = 4;
echo array_diff($a, $b);

Output
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array_diff: documentation ( source)

preferences:dark modelive preview

59.58 ms | 402 KiB | 5 Q