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run code in 300+ PHP versions simultaneously
<?php class Foo { function foo() { return function() { $this->bar(); }; } function bar() { echo "Yolo Foo\n"; } function exec($callable) { $callable(); } } class Bar { function bar() { echo "Yolo Bar\n"; } function exec($callable) { $callable(); } } $foo = new Foo(); $bar = new Bar(); $fooer = $foo->foo(); $fooer(); $foo->exec($fooer); $bar->exec($fooer);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Yolo Foo Yolo Foo Yolo Foo
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 - 7.4.25, 7.4.27 - 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/UFMec on line 3 Deprecated: Methods with the same name as their class will not be constructors in a future version of PHP; Bar has a deprecated constructor in /in/UFMec on line 18 Yolo Bar Yolo Foo Yolo Foo Yolo Foo
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.3.32 - 7.3.33, 7.4.26
Yolo Bar Yolo Foo Yolo Foo Yolo Foo
Output for 5.3.0 - 5.3.29
Yolo Bar Fatal error: Using $this when not in object context in /in/UFMec on line 6
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/UFMec on line 6
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, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION in /in/UFMec on line 6
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/UFMec on line 6
Process exited with code 255.

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