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@ 2014-02-10T11:19:57Z

<?php

$i = '0';
echo (is_int($i))? 'int' : 'not int' . PHP_EOL;
echo (is_numeric($i))? 'int' : 'not int';

Output
Performance
VLD
References
Branches

is_numeric: documentation ( source)

preferences:dark modelive preview

56.84 ms | 402 KiB | 5 Q