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@ 2019-07-18T03:09:51Z

<?php

$arr1 = array('req'=>false, 'lessthan'=>10);
$arr2 = array('parent'=> array('parent_name'=>array('val1'), 'rules'=>array('req'=>false)));
$arr3 = array('a', 'b', 'c');
$arrE = array();

$arr3 = implode(',', $arr3);

var_dump($arr3);

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
implode: documentation ( source)

preferences:dark modelive preview

31.27 ms | 402 KiB | 5 Q