3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { protected static $a = 'Z'; public static function test() { echo self::$a.PHP_EOL; } public static function test2() { echo static::$a.PHP_EOL; } } class B extends A { protected static $a = 'Y'; public static function test3() { echo self::$a.PHP_EOL; } public static function test4() { echo static::$a.PHP_EOL; } } B::test(); B::test2(); B::test3(); B::test4();
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Z Y Y Y
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected T_STATIC in /in/dhpto on line 8
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_STATIC in /in/dhpto on line 8
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/dhpto on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/dhpto on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/dhpto on line 3
Process exited with code 255.

preferences:
277.62 ms | 401 KiB | 460 Q