3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $filename = 'index.php'; $file_handle = fopen($filename, 'w'); fwrite($file_handle, '123'); fclose($file_handle);
Output for 5.3.0 - 5.6.28, 7.0.0 - 7.1.0
Warning: fopen(index.php): failed to open stream: Permission denied in /in/O6ndZ on line 3 Warning: fwrite() expects parameter 1 to be resource, boolean given in /in/O6ndZ on line 4 Warning: fclose() expects parameter 1 to be resource, boolean given in /in/O6ndZ on line 5
Output for hhvm-3.10.0 - 3.12.0
Warning: Permission denied in /in/O6ndZ on line 3 Warning: fwrite() expects parameter 1 to be resource, boolean given in /in/O6ndZ on line 4 Warning: fclose() expects parameter 1 to be resource, boolean given in /in/O6ndZ on line 5
Output for 4.3.2 - 5.2.17
Warning: fopen(index.php): failed to open stream: Permission denied in /in/O6ndZ on line 3 Warning: fwrite(): supplied argument is not a valid stream resource in /in/O6ndZ on line 4 Warning: fclose(): supplied argument is not a valid stream resource in /in/O6ndZ on line 5
Output for 4.3.1
Warning: fopen(index.php) [http://www.php.net/function.fopen]: failed to create stream: Permission denied in /in/O6ndZ on line 3 Warning: fwrite(): supplied argument is not a valid stream resource in /in/O6ndZ on line 4 Warning: fclose(): supplied argument is not a valid stream resource in /in/O6ndZ on line 5
Output for 4.3.0
Warning: fopen(index.php) [http://www.php.net/function.fopen]: failed to create stream: Read-only file system in /in/O6ndZ on line 3 Warning: fwrite(): supplied argument is not a valid stream resource in /in/O6ndZ on line 4 Warning: fclose(): supplied argument is not a valid stream resource in /in/O6ndZ on line 5