3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo 'Hello world!'; echo 'Hello' . ' ' . 'world!'; printf('Hello world!'); file_put_contents('php://stdout', 'Hello world!'); printf('%c%c%c%c%c%c%c%c%c%c%c%c', 0x48, 0x65, 0x6c, 0x6c, 0x6f, 0x20, 0x77, 0x6f, 0x72, 0x6c, 0x64, 0x21);
Output for 5.0.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Hello world!Hello world!Hello world!Hello world!Hello world!
Output for 4.4.5 - 4.4.9
Hello world!Hello world!Hello world! Fatal error: Call to undefined function: file_put_contents() in /in/2asIK on line 6
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Hello world!Hello world!Hello world! Fatal error: Call to undefined function: file_put_contents() in /in/2asIK on line 6
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Hello world!Hello world!Hello world! Fatal error: Call to undefined function: file_put_contents() in /in/2asIK on line 6