3v4l.org

run code in 300+ PHP versions simultaneously
<?php interface IString extends IAny{} interface IAny extends IString{} class String implements IString{} class Any implements IAny{}
Output for 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.28, 5.4.0 - 5.4.28
Fatal error: Interface 'IAny' not found in /in/WdKLD on line 2
Process exited with code 255.
Output for 5.0.0 - 5.0.4
Fatal error: Class 'IAny' not found in /in/WdKLD on line 2
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING in /in/WdKLD on line 2
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 T_STRING in /in/WdKLD on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/WdKLD on line 2
Process exited with code 255.
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202.82 ms | 1395 KiB | 118 Q