3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { function foo( callable $func ) { $func(); } function bar() { return 'bar'; } } (new A)->foo( function() { echo 'foo' . $this->bar(); } );
Output for 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
Fatal error: Uncaught Error: Using $this when not in object context in /in/W6P2R:17 Stack trace: #0 /in/W6P2R(7): {closure}() #1 /in/W6P2R(16): A->foo(Object(Closure)) #2 {main} thrown in /in/W6P2R on line 17
Process exited with code 255.
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28
Fatal error: Uncaught Error: Using $this when not in object context in /in/W6P2R:17 Stack trace: #0 /in/W6P2R(7): {closure}() #1 /in/W6P2R(18): A->foo(Object(Closure)) #2 {main} thrown in /in/W6P2R on line 17
Process exited with code 255.
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Fatal error: Using $this when not in object context in /in/W6P2R on line 17
Process exited with code 255.

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