3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php echo CURLINFO_HEADER_OUT;
Output for 7.2.0 - 7.3.0rc4
Warning: Use of undefined constant CURLINFO_HEADER_OUT - assumed 'CURLINFO_HEADER_OUT' (this will throw an Error in a future version of PHP) in /in/lXG37 on line 3 CURLINFO_HEADER_OUT
Output for 5.5.0 - 7.1.20
Notice: Use of undefined constant CURLINFO_HEADER_OUT - assumed 'CURLINFO_HEADER_OUT' in /in/lXG37 on line 3 CURLINFO_HEADER_OUT
Output for 4.3.0 - 5.4.45
CURLINFO_HEADER_OUT