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run code in 300+ PHP versions simultaneously
<?php class foo { function bar() { $baz = array(); echo $baz['self::xx']; echo $baz[self::xx]; } } $foo = new foo; $foo->bar();
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
Warning: Undefined array key "self::xx" in /in/aNDX2 on line 5 Fatal error: Uncaught Error: Undefined constant foo::xx in /in/aNDX2:6 Stack trace: #0 /in/aNDX2(11): foo->bar() #1 {main} thrown in /in/aNDX2 on line 6
Process exited with code 255.
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 - 7.4.25, 7.4.27 - 7.4.33
Notice: Undefined index: self::xx in /in/aNDX2 on line 5 Fatal error: Uncaught Error: Undefined class constant 'xx' in /in/aNDX2:6 Stack trace: #0 /in/aNDX2(11): foo->bar() #1 {main} thrown in /in/aNDX2 on line 6
Process exited with code 255.
Output for 7.3.32 - 7.3.33, 7.4.26
Fatal error: Uncaught Error: Undefined class constant 'xx' in /in/aNDX2:6 Stack trace: #0 /in/aNDX2(11): foo->bar() #1 {main} thrown in /in/aNDX2 on line 6
Process exited with code 255.
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.36, 5.6.0 - 5.6.28
Notice: Undefined index: self::xx in /in/aNDX2 on line 5 Fatal error: Undefined class constant 'xx' in /in/aNDX2 on line 6
Process exited with code 255.
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Notice: Undefined index: self::xx in /in/aNDX2 on line 5 Fatal error: Undefined class constant 'xx' in /in/aNDX2 on line 6
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected ']', expecting '(' in /in/aNDX2 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
Parse error: parse error, unexpected ']', expecting '(' in /in/aNDX2 on line 6
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `'('' in /in/aNDX2 on line 6
Process exited with code 255.

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