3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php namespace Foo\PHP7; class Foo {} namespace Foo\PHP5; class Foo {} namespace Foo; if (version_compare(PHP_VERSION, '7.0.0', '<')) { class_alias('\Foo\PHP5\Foo', '\Foo\Foo'); } else { class_alias('\Foo\PHP7\Foo', '\Foo\Foo'); } $a = new \Foo\Foo(); var_Dump(get_class($a));
based on 4ZOvZ
Output for 7.0.0 - 7.3.0alpha1
string(12) "Foo\PHP7\Foo"
Output for 5.4.20 - 5.6.28
string(12) "Foo\PHP5\Foo"
Output for 5.3.0 - 5.4.19
Fatal error: Class 'Foo\Foo' not found in /in/LIjb2 on line 16
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_STRING in /in/LIjb2 on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_STRING in /in/LIjb2 on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/LIjb2 on line 3
Process exited with code 255.