3v4l.org

run code in 300+ PHP versions simultaneously
<?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 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
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 - 4.3.11, 4.4.0 - 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
preferences:
260.48 ms | 402 KiB | 400 Q