3v4l.org

run code in 300+ PHP versions simultaneously
<?php class YourClass { function __construct() { $x = function() { echo static::__CLASS__; }; $x(); } } class MyClass extends YourClass { function __construct() { parent::__construct(); } } $x = new MyClass();
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught Error: Undefined constant MyClass::__CLASS__ in /in/HbfL1:8 Stack trace: #0 /in/HbfL1(11): YourClass->{closure}() #1 /in/HbfL1(18): YourClass->__construct() #2 /in/HbfL1(22): MyClass->__construct() #3 {main} thrown in /in/HbfL1 on line 8
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Fatal error: Uncaught Error: Undefined class constant '__CLASS__' in /in/HbfL1:8 Stack trace: #0 /in/HbfL1(11): YourClass->{closure}() #1 /in/HbfL1(18): YourClass->__construct() #2 /in/HbfL1(22): MyClass->__construct() #3 {main} thrown in /in/HbfL1 on line 8
Process exited with code 255.
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Parse error: syntax error, unexpected '__CLASS__' (T_CLASS_C) in /in/HbfL1 on line 8
Process exited with code 255.
Output for 5.4.0 - 5.4.45
Parse error: syntax error, unexpected '__CLASS__' (T_CLASS_C), expecting identifier (T_STRING) or variable (T_VARIABLE) or '{' or '$' in /in/HbfL1 on line 8
Process exited with code 255.
Output for 5.3.0 - 5.3.29
Parse error: syntax error, unexpected T_CLASS_C, expecting T_STRING or T_VARIABLE or '$' in /in/HbfL1 on line 8
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/HbfL1 on line 7
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/HbfL1 on line 7
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/HbfL1 on line 7
Process exited with code 255.

preferences:
233.63 ms | 401 KiB | 356 Q