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@ 2013-09-28T17:41:56Z

<?php
var_dump(class_exists("TestClass")); //false
class TestClass implements JsonSerializable {
 
    function __construct() {
        var_dump(__METHOD__);
    }
 
    public function jsonSerialize() {
        return null;
    }
}
 
var_dump(class_exists("TestClass")); //true

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
class_exists: documentation ( source)

preferences:dark modelive preview

41.78 ms | 402 KiB | 5 Q