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@ 2017-06-15T12:58:58Z

<?php

class A {
    const A = 'a';
    
    function __construct() {
        var_dump(defined('static::A'));
    }
}

class B extends A {
    
}

new A;

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
defined: documentation ( source)

preferences:dark modelive preview

66.05 ms | 402 KiB | 5 Q