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@ 2015-12-02T20:31:18Z

<?php


if (version_compare(PHP_VERSION, "7.0", "<")) die();

function foo(float $a) {
    var_dump($a);
}

foo(123);
foo("123.5");
foo("132abc");
foo("apple");

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
version_compare: documentation ( source)

preferences:dark modelive preview

49.08 ms | 402 KiB | 5 Q