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@ 2015-11-05T08:25:12Z

<?php

$str = '                       ';
$strl = '        

 ';

var_dump(empty($str));
var_dump(empty($strl));

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)

preferences:dark modelive previewkey bindings

26.25 ms | 405 KiB | 5 Q