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@ 2014-03-12T22:55:02Z

<?php
$a = array(
        array(
            'a' => 'x',
            'b' => 'Alejandro',
        ),
        array(
            'a' => 'f',
            'b' => '123123qwe',
        ),
);

$new_array = array_column($a, 'b');

print_r($new_array);

Output
Performance
VLD
References
Branches

array_column: documentation ( source)
print_r: documentation ( source)

preferences:dark modelive preview

42.99 ms | 402 KiB | 5 Q