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@ 2014-02-06T08:07:45Z

<?php
$tab1 = array(10,13,15,18);
$tab2 = array(13,10,18,23);

$merge = array_intersect($tab1, $tab2);
$merge2 = array_intersect($tab2, $tab1);

echo '<pre>'.print_r($merge,true).'</pre>';
echo '<pre>'.print_r($merge2,true).'</pre>';

Output
Performance
VLD
References
Branches

array_intersect: documentation ( source)
print_r: documentation ( source)

preferences:dark modelive preview

33.91 ms | 402 KiB | 5 Q