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@ 2015-04-10T02:16:21Z

<?php
$foo = [
    'en' => '',
    'fr' => 'fr'
];

$bar = [
    'de' => 'de'
];

$bar[] = $foo['en'];
var_dump(array_count_values($foo));

$bar[] = &$foo['fr'];
var_dump(array_count_values($foo));

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
array_count_values: documentation ( source)

preferences:dark modelive preview

52.82 ms | 402 KiB | 5 Q