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run code in 200+ php & hhvm versions
Bugs & Features
<?php define('HELLO_WORLD', Constants::HELLO . Constants::WORLD); class Constants { const HELLO = 'Hello '; const WORLD = 'world.'; const HELLO_WORLD = HELLO_WORLD; } echo Constants::HELLO_WORLD;
Output for 5.0.0 - 7.2.0
Hello world.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected '.', expecting '(' in /in/f9WXH on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected '.', expecting '(' in /in/f9WXH on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `'('' in /in/f9WXH on line 3
Process exited with code 255.