3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function hello world($greeting=null){ $w = 'World'; echo "$greeting, $w!<br>\n"; } hello world('Howdy'); // Howdy, World! ($command = "hello world")('Hi'); //$command('Hi'); // Hi, World! $content = "command"; echo $$content("Greetings"); // , World!
Output for hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Howdy, World!<br> Hi, World!<br> Greetings, World!<br>
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.6.28
Parse error: syntax error, unexpected '(' in /in/omMHb on line 8
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '(' in /in/omMHb on line 8
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/omMHb on line 8
Process exited with code 255.