3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php hash_equals(null, null);
Output for 5.6.7 - 7.1.0
Warning: hash_equals(): Expected known_string to be a string, null given in /in/KT0KN on line 3
Output for 5.0.0 - 5.5.35
Fatal error: Call to undefined function hash_equals() in /in/KT0KN on line 3
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: hash_equals() in /in/KT0KN on line 3
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: hash_equals() in /in/KT0KN on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: hash_equals() in /in/KT0KN on line 3