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run code in 300+ PHP versions simultaneously
<?php namespace foo { class Xyz {} function abc () {} } namespace bar { use foo\Xyz; use foo\abc; class Xyz {} function abc () {} new Xyz(); // instantiates \foo\Xyz new namespace\Xyz(); // instantiates \bar\Xyz abc(); // invokes \bar\abc regardless of the second use statement \foo\abc(); // it has to be invoked using the fully qualified name } ?>
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.7 - 7.0.33, 7.1.0 - 7.1.25, 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 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Fatal error: Cannot declare class bar\Xyz because the name is already in use in /in/TsAVC on line 18
Process exited with code 255.
Output for 7.0.0 - 7.0.6
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/TsAVC 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_STRING in /in/TsAVC on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/TsAVC on line 2
Process exited with code 255.

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