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@ 2017-08-24T21:20:11Z

<?php

$arr[] = '';

var_dump($arr);

if (count($arr) === 1 && isset($arr[0]) && $arr[0] === '') {
    $arr = [];
}

var_dump($arr);

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)

preferences:dark modelive previewkey bindings

94.4 ms | 404 KiB | 5 Q