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@ 2013-12-19T11:56:34Z

<?php


$existing = array(1,2,3,4);
$onForm = array(3,4,5,6);

$removed = array_diff($existing,$onForm);
$new = array_diff($onForm,$existing);

echo 'existing';
print_r($existing);

echo 'form';
print_r($onForm);

echo 'removed';
print_r($removed);

echo 'new';
print_r($new);

Output
Performance
VLD
References
Branches

print_r: documentation ( source)
array_diff: documentation ( source)

preferences:dark modelive preview

62.92 ms | 402 KiB | 5 Q