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run code in 300+ PHP versions simultaneously
<?php namespace ns1 { class MyClass { const CONST1=1; const CONST2=2; const CONST3=3; public static function myFunc() { } } } namespace ns2 { class MyClass extends \ns1\MyClass { const CONST1=4; const CONST2=5; const CONST3=6; public static function myFunc() { parent::myFunc(); } } } namespace ns3 { class MyClass extends \ns1\MyClass { const CONST1=7; const CONST2=8; const CONST3=9; public static function myFunc() { parent::parent::myFunc(); } } \ns1\MyCLass::myFunc(); \ns2\MyCLass::myFunc(); \ns3\MyCLass::myFunc(); }
Output for 8.1.23 - 8.1.28, 8.2.10 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught Error: Undefined constant ns1\MyClass::parent in /in/csrRi:32 Stack trace: #0 /in/csrRi(38): ns3\MyClass::myFunc() #1 {main} thrown in /in/csrRi on line 32
Process exited with code 255.
Output for 5.4.0 - 5.4.34
Parse error: syntax error, unexpected '::' (T_PAAMAYIM_NEKUDOTAYIM) in /in/csrRi on line 32
Process exited with code 255.
Output for 5.3.0 - 5.3.29
Parse error: syntax error, unexpected T_PAAMAYIM_NEKUDOTAYIM in /in/csrRi on line 32
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_STRING in /in/csrRi on line 3
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_STRING in /in/csrRi on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/csrRi on line 3
Process exited with code 255.

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