3v4l.org

run code in 300+ PHP versions simultaneously
<?php class foo { function bar() { $this->a = 5; } function foo() { unset($this->a); } } $f = new foo(); $f->bar(); var_dump($f); $f->foo(); var_dump($f);
Output for 8.2.0 - 8.2.26, 8.3.0 - 8.3.15, 8.4.1 - 8.4.2
Deprecated: Creation of dynamic property foo::$a is deprecated in /in/6rcts on line 7 object(foo)#1 (1) { ["a"]=> int(5) } object(foo)#1 (0) { }
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.3.32 - 7.3.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.31
object(foo)#1 (1) { ["a"]=> int(5) } object(foo)#1 (0) { }
Output for 7.0.0 - 7.0.20, 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; foo has a deprecated constructor in /in/6rcts on line 4 object(foo)#1 (1) { ["a"]=> int(5) } object(foo)#1 (0) { }
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9
object(foo)(1) { ["a"]=> int(5) } object(foo)(0) { }

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