3v4l.org

run code in 300+ PHP versions simultaneously
<?php $myfile = fopen("newfile.txt", "w") or die("Unable to open file!"); $txt = "John Doe\n"; fwrite($myfile, $txt); $txt = "Jane Doe\n"; fwrite($myfile, $txt); fclose($myfile); ?>
Output for 8.0.0 - 8.0.12, 8.0.14 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Warning: fopen(): open_basedir restriction in effect. File(newfile.txt) is not within the allowed path(s): (/tmp:/in:/etc) in /in/4PjFM on line 2 Warning: fopen(newfile.txt): Failed to open stream: Operation not permitted in /in/4PjFM on line 2 Unable to open file!
Output for 8.0.13
Warning: fopen(newfile.txt): Failed to open stream: Read-only file system in /in/4PjFM on line 2 Unable to open file!
Output for 7.3.32 - 7.3.33, 7.4.33
Warning: fopen(newfile.txt): failed to open stream: Read-only file system in /in/4PjFM on line 2 Unable to open file!
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.31, 7.4.0 - 7.4.32
Warning: fopen(): open_basedir restriction in effect. File(newfile.txt) is not within the allowed path(s): (/tmp:/in:/etc) in /in/4PjFM on line 2 Warning: fopen(newfile.txt): failed to open stream: Operation not permitted in /in/4PjFM on line 2 Unable to open file!
Output for 5.4.0 - 5.4.45
Warning: fopen(newfile.txt): failed to open stream: Permission denied in /in/4PjFM on line 2 Unable to open file!
preferences:
297.67 ms | 401 KiB | 383 Q