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@ 2021-03-12T17:42:11Z

<?php

$doc = new DOMDocument;

var_dump($doc->formatOutput);
$doc->formatOutput = true;
var_dump($doc->formatOutput);

Output
Performance
VLD
References
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var_dump: documentation ( source)

preferences:dark modelive preview

62.66 ms | 402 KiB | 5 Q