3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { public static $ad = array(1, 5); public function __construct($a = self::$ad[0]) { } }
Output for 5.4.0 - 5.4.25
Parse error: syntax error, unexpected '$ad' (T_VARIABLE), expecting identifier (T_STRING) in /in/I6tW2 on line 6
Process exited with code 255.
Output for 5.3.0 - 5.3.28
Parse error: syntax error, unexpected T_VARIABLE, expecting T_STRING in /in/I6tW2 on line 6
Process exited with code 255.
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195.77 ms | 1395 KiB | 62 Q