3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo{ const INFO = 100; } class Bar{ public static $INFO = \Foo::INFO; protected $level = self::$INFO; } echo Bar::$INFO;
Output for 5.4.0 - 5.4.34
Parse error: syntax error, unexpected '$INFO' (T_VARIABLE), expecting identifier (T_STRING) in /in/t4HFs on line 9
Process exited with code 255.
Output for 5.3.0 - 5.3.29
Parse error: syntax error, unexpected T_VARIABLE, expecting T_STRING in /in/t4HFs on line 9
Process exited with code 255.
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/t4HFs on line 8 Parse error: syntax error, unexpected T_VARIABLE, expecting T_STRING in /in/t4HFs on line 9
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/t4HFs on line 8 Parse error: parse error, unexpected T_VARIABLE, expecting T_STRING in /in/t4HFs on line 9
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_CONST, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/t4HFs 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
Parse error: parse error, unexpected T_CONST, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/t4HFs on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/t4HFs on line 4
Process exited with code 255.

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