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run code in 300+ PHP versions simultaneously
<?php interface Test { function test1($param = null); function test2($param = DIRECTORY_SEPARATOR); function test3($param = array()); function test4($param = 'test'); } class Test1 implements Test { function test1($param = null) {} function test2($param = null) {} function test3($param = null) {} function test4($param = null) {} } class Test2 implements Test { function test1($param = DIRECTORY_SEPARATOR) {} function test2($param = DIRECTORY_SEPARATOR) {} function test3($param = DIRECTORY_SEPARATOR) {} function test4($param = DIRECTORY_SEPARATOR) {} } class Test3 implements Test { function test1($param = array()) {} function test2($param = array()) {} function test3($param = array()) {} function test4($param = array()) {} } class Test4 implements Test { function test1($param = 'test') {} function test2($param = 'test') {} function test3($param = 'test') {} function test4($param = 'test') {} } new Test1(); new Test2(); new Test3(); new Test4();
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.3.32 - 7.3.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
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 - 7.4.33
Deprecated: Methods with the same name as their class will not be constructors in a future version of PHP; Test1 has a deprecated constructor in /in/LMeYh on line 10 Deprecated: Methods with the same name as their class will not be constructors in a future version of PHP; Test2 has a deprecated constructor in /in/LMeYh on line 17 Deprecated: Methods with the same name as their class will not be constructors in a future version of PHP; Test3 has a deprecated constructor in /in/LMeYh on line 24 Deprecated: Methods with the same name as their class will not be constructors in a future version of PHP; Test4 has a deprecated constructor in /in/LMeYh on line 31
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING in /in/LMeYh 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
Parse error: parse error, unexpected T_STRING in /in/LMeYh on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/LMeYh on line 3
Process exited with code 255.

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