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@ 2013-04-04T07:01:27Z

<?php
$test = array(
    array('a' => 'testA',
         'b' => 'testB'),
    array('a' =>'testC',
         'b' => 'testD')
    );

print_r((int) array_keys($test, array('a' => 'testA', 'b' => 'testB')));

Output
Performance
VLD
References
Branches

print_r: documentation ( source)
array_keys: documentation ( source)

preferences:dark modelive preview

49.46 ms | 402 KiB | 5 Q