3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $f = fopen('php://temp', 'w+'); echo (string)$f;
Output for 5.2.3 - 5.6.28, 7.0.0 - 7.1.0
Resource id #5
Output for hhvm-3.10.0 - 3.12.0
Resource id #4
Output for 5.1.4 - 5.2.2
Resource id #2
Output for 4.3.2, 5.0.0 - 5.1.3
Warning: fopen(php://temp): failed to open stream: Inappropriate ioctl for device in /in/UqSgc on line 3
Output for 4.3.3 - 4.3.6, 4.3.8 - 4.4.9
Warning: fopen(php://temp): failed to open stream: Success in /in/UqSgc on line 3
Output for 4.3.7
Warning: fopen(php://temp): failed to open stream: Cannot allocate memory in /in/UqSgc on line 3
Output for 4.3.0 - 4.3.1
Warning: fopen(php://temp) [http://www.php.net/function.fopen]: failed to create stream: Inappropriate ioctl for device in /in/UqSgc on line 3