3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { var $a; function A() { $this->a = 'a'; } } class B extends A { var $b; function B() { $this->b = 'b'; } } $b = new B; var_dump($b);
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
object(B)#1 (2) { ["a"]=> NULL ["b"]=> NULL }
Output for 8.0.0 - 8.0.30
object(B)#1 (2) { ["b"]=> NULL ["a"]=> NULL }
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Deprecated: Methods with the same name as their class will not be constructors in a future version of PHP; A has a deprecated constructor in /in/j7OjI on line 3 Deprecated: Methods with the same name as their class will not be constructors in a future version of PHP; B has a deprecated constructor in /in/j7OjI on line 13 object(B)#1 (2) { ["b"]=> string(1) "b" ["a"]=> NULL }
Output for 5.1.3 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.3.32 - 7.3.33
object(B)#1 (2) { ["b"]=> string(1) "b" ["a"]=> NULL }
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.2
Strict Standards: var: Deprecated. Please use the public/private/protected modifiers in /in/j7OjI on line 5 Strict Standards: var: Deprecated. Please use the public/private/protected modifiers in /in/j7OjI on line 15 object(B)#1 (2) { ["b"]=> string(1) "b" ["a"]=> NULL }
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9
object(b)(2) { ["a"]=> NULL ["b"]=> string(1) "b" }

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