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@ 2015-12-29T13:52:01Z

<?php
#declare(strict_types=1);
class Foo {
	public static function isItInt(integer $i) {
		var_dump(is_int($i));
	}	
}

Foo::isItInt("1");

Output
Performance
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var_dump: documentation ( source)

preferences:dark modelive preview

52.7 ms | 402 KiB | 5 Q