3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace A { class Foo { } } namespace A { use B\Foo; class Bar { function __construct() { new Foo(); } } } namespace B { class Foo { } }
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.38
Fatal error: Cannot use B\Foo as Foo because the name is already in use in /in/PCmhc 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_STRING in /in/PCmhc 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, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_STRING in /in/PCmhc on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/PCmhc on line 3
Process exited with code 255.
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159.51 ms | 999 KiB | 7 Q