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@ 2017-05-03T13:32:01Z

<?php

error_reporting(-1);

var_dump(count(array()));
var_dump(count(0));
var_dump(count(42));
var_dump(count(""));
var_dump(count("Hello World"));
var_dump(count(new stdClass));
class Test {}
var_dump(count(new Test));
var_dump(count($non_existent_variable));
var_dump(count(null));

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
error_reporting: documentation ( source)

preferences:dark modelive preview

30.42 ms | 402 KiB | 5 Q