3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace Foo; function unset() { }
Output for 5.4.0 - 5.4.13
Parse error: syntax error, unexpected 'unset' (T_UNSET), expecting identifier (T_STRING) or '(' in /in/MHVPk on line 5
Process exited with code 255.
Output for 5.3.0 - 5.3.23
Parse error: syntax error, unexpected T_UNSET, expecting T_STRING or '(' in /in/MHVPk on line 5
Process exited with code 255.
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