3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace foo { function baz() { return 'foo.baz'; } } namespace bar { function baz() { return 'bar.baz'; } } namespace { use function foo\baz as foo_baz, bar\baz as bar_baz; use function base64_decode as foo; var_dump(foo_baz()); var_dump(bar_baz()); echo "Done\n"; }
Output for 5.6.0 - 5.6.40, 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 - 8.3.7
string(7) "foo.baz" string(7) "bar.baz" Done
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38
Parse error: syntax error, unexpected 'function' (T_FUNCTION), expecting identifier (T_STRING) or \\ (T_NS_SEPARATOR) in /in/NvKRk on line 17
Process exited with code 255.
Output for 5.3.0 - 5.3.29
Parse error: syntax error, unexpected T_FUNCTION, expecting T_STRING or T_NS_SEPARATOR in /in/NvKRk on line 17
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/NvKRk on line 4
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/NvKRk on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/NvKRk on line 4
Process exited with code 255.
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266.38 ms | 401 KiB | 458 Q