3v4l.org

run code in 500+ PHP versions simultaneously
<?php class X { private const foo = 'bar'; public function __construct() { var_dump(self::foo === self:: foo); } } new X();
Output for 8.0.1 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
bool(true)

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82.76 ms | 1102 KiB | 4 Q