3v4l.org

run code in 300+ PHP versions simultaneously
<?php @ declare(compat_flags=php4_constructors); echo 'Hello World';
Output for 5.4.0 - 5.4.35
Parse error: syntax error, unexpected 'declare' (T_DECLARE) in /in/DFBfO 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, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected T_DECLARE in /in/DFBfO 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_DECLARE in /in/DFBfO on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/DFBfO on line 3
Process exited with code 255.
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