Online PHP editor | output for uNAsG

Output for 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: file_put_contents(): open_basedir restriction in effect. File(/var/www/derp.log) is not within the allowed path(s): (/tmp:/in:/etc) in /in/uNAsG on line 4 Warning: file_put_contents(/var/www/derp.log): Failed to open stream: Operation not permitted in /in/uNAsG on line 4 array(1) { [0]=> string(4) "/tmp" }
Output for 8.0.0 - 8.0.13: Warning: file_put_contents(/var/www/derp.log): Failed to open stream: No such file or directory in /in/uNAsG on line 4 array(1) { [0]=> string(4) "/tmp" }
Output for 5.2.3 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.25, 7.4.33: Warning: file_put_contents(/var/www/derp.log): failed to open stream: No such file or directory in /in/uNAsG on line 4 array(1) { [0]=> string(4) "/tmp" }
Output for 7.4.26 - 7.4.32: Warning: file_put_contents(): open_basedir restriction in effect. File(/var/www/derp.log) is not within the allowed path(s): (/tmp:/in:/etc) in /in/uNAsG on line 4 Warning: file_put_contents(/var/www/derp.log): failed to open stream: Operation not permitted in /in/uNAsG on line 4 array(1) { [0]=> string(4) "/tmp" }
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.2: Warning: file_put_contents(/var/www/derp.log) [<a href='function.file-put-contents'>function.file-put-contents</a>]: failed to open stream: No such file or directory in /in/uNAsG on line 4 array(1) { [0]=> string(4) "/tmp" }
Output for 4.4.5 - 4.4.9: Fatal error: Call to undefined function: file_put_contents() in /in/uNAsG on line 4 
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.4: Fatal error: Call to undefined function: file_put_contents() in /in/uNAsG on line 4 
Process exited with code 255.
Output for 4.3.0 - 4.3.1: Fatal error: Call to undefined function: file_put_contents() in /in/uNAsG on line 4