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@ 2014-10-10T10:26:37Z

<?php
$c = [];
$a0 = array_shift($c) ? array_shift($c) : 'a0';
$b0 = array_shift($c) ?: 'b0';

$d = [42];
$a1 = array_shift($d) ? array_shift($d) : 'a1';
$b1 = array_shift($d) ?: 'b1';

Output
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array_shift: documentation ( source)

preferences:dark modelive preview

49.31 ms | 402 KiB | 5 Q