3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace \\; define('Foo\\null', true, true); define('Foo\\false', true, true); define("Foo\\NAN", 1337, true); echo 'null:';if (null) echo "TRUE";else echo "FALSE"; echo "\nfalse:";if (false) echo "TRUE";else echo "FALSE"; echo "\ntrue:";if (true) echo "TRUE";else echo "FALSE";
Output for 5.4.13 - 5.4.14
Parse error: syntax error, unexpected '\' (T_NS_SEPARATOR), expecting identifier (T_STRING) in /in/9pDn0 on line 2
Process exited with code 255.
Output for 5.4.0 - 5.4.12
Parse error: syntax error, unexpected '\' (T_NS_SEPARATOR), expecting identifier (T_STRING) in jbAph on line 2
Process exited with code 255.
Output for 5.3.23 - 5.3.24
Parse error: syntax error, unexpected T_NS_SEPARATOR, expecting T_STRING in /in/9pDn0 on line 2
Process exited with code 255.
Output for 5.3.0 - 5.3.22
Parse error: syntax error, unexpected T_NS_SEPARATOR, expecting T_STRING in jbAph on line 2
Process exited with code 255.
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