3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = "7f020e68a7"; var_dump(json_decode($a));
Output for 5.2.0, 5.2.9 - 7.1.0
NULL
Output for 5.2.1 - 5.2.8
string(10) "7f020e68a7"
Output for 5.0.0 - 5.1.6
Fatal error: Call to undefined function json_decode() in /in/8GLsH on line 3
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: json_decode() in /in/8GLsH on line 3
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: json_decode() in /in/8GLsH on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: json_decode() in /in/8GLsH on line 3