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run code in 300+ PHP versions simultaneously
<?php spl_autoload_register(function($cname){ if ($cname == 'IMyInterface') { interface IMyInterface { // Use any class or interface constant as value of FOO. // I'll just use some constant available out of the box, to keep it simple: const FOO = FilesystemIterator::CURRENT_AS_PATHNAME; } } elseif ($cname == 'Foo') { class Foo implements IMyInterface {} } elseif ($cname == 'Bar') { class Bar extends Foo implements IMyInterface {} } }); // Foo is super-class for Bar. // uncomment below line to trigger the error: $F = new Foo(); // this should run without errors at any time, but if Foo is instantiated // prior to this line, then the error is triggered: $B = new Bar();
Output for 5.3.0 - 5.3.1, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0
Output for 5.3.2 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Fatal error: Cannot inherit previously-inherited or override constant FOO from interface IMyInterface in /in/VpWO9 on line 12
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, expecting ')' in /in/VpWO9 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, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION, expecting ')' in /in/VpWO9 on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/VpWO9 on line 2
Process exited with code 255.
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313.63 ms | 401 KiB | 464 Q