3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace Foo\New { class Bar {} } namespace { $serialized = 'O:7:"Foo\Bar":0:{}'; class_alias('Foo\Bar', 'Foo\New\Bar'); var_dump(unserialize($serialized)); }
Output for 5.4.0 - 5.4.40, 5.5.24, 5.6.8
Parse error: syntax error, unexpected 'New' (T_NEW), expecting identifier (T_STRING) in /in/TE2nn on line 3
Process exited with code 255.
Output for 5.3.0 - 5.3.29
Parse error: syntax error, unexpected T_NEW, expecting T_STRING in /in/TE2nn on line 3
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/TE2nn 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/TE2nn on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/TE2nn on line 3
Process exited with code 255.
preferences:
116.23 ms | 401 KiB | 130 Q