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@ 2017-07-07T07:58:29Z

<?php

$arr = [
    'id' => 1,
    'field' => 2,
    ];
    
    var_dump(array_diff(['id'],$arr));

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
array_diff: documentation ( source)

preferences:dark modelive preview

53.78 ms | 402 KiB | 5 Q