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@ 2018-10-12T12:32:07Z

<?php

$string = '0';
var_dump(ctype_digit($string));

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
ctype_digit: documentation ( source)

preferences:dark modelive previewkey bindings

89.44 ms | 1988 KiB | 5 Q