3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { public static $a = array(); public function test($key, $value) { self::$a[$key] = $value; } } class B extends A { public static $a = array(); } class C extends A { public static $a = array(); } $b = new B; $b->test('waa', 'meukee'); var_dump($b::$a); $c = new C; $c->test('waa123', 'meukee123'); var_dump($c::$a); var_dump(A::$a);
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
array(0) { } array(0) { } array(2) { ["waa"]=> string(6) "meukee" ["waa123"]=> string(9) "meukee123" }
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected T_PAAMAYIM_NEKUDOTAYIM in /in/4OsgZ on line 25
Process exited with code 255.
Output for 5.0.4 - 5.0.5
Parse error: parse error, unexpected T_PAAMAYIM_NEKUDOTAYIM in /in/4OsgZ on line 25
Process exited with code 255.
Output for 5.0.0 - 5.0.3
Fatal error: Cannot redeclare property static public A::$a in class B in /in/4OsgZ on line 16
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/4OsgZ on line 5
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/4OsgZ on line 5
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/4OsgZ on line 5
Process exited with code 255.

preferences:
260.66 ms | 401 KiB | 458 Q