3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php var_dump((string) fopen('php://memory', 'w'));
Output for 5.2.3 - 5.6.28, 7.0.0 - 7.1.0
string(14) "Resource id #5"
Output for hhvm-3.10.0 - 3.12.0
string(14) "Resource id #4"
Output for 5.1.4 - 5.2.2
string(14) "Resource id #2"
Output for 4.3.2, 5.0.0 - 5.1.3
Warning: fopen(php://memory): failed to open stream: Inappropriate ioctl for device in /in/6HTo5 on line 3 string(0) ""
Output for 4.3.3 - 4.4.9
Warning: fopen(php://memory): failed to open stream: Success in /in/6HTo5 on line 3 string(0) ""
Output for 4.3.0 - 4.3.1
Warning: fopen(php://memory) [http://www.php.net/function.fopen]: failed to create stream: Inappropriate ioctl for device in /in/6HTo5 on line 3 string(0) ""