3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $array = array('vk_group' => NULL,'vk_group1' => 1,'vk_group2' => NULL); echo array_product($array);
Output for 5.1.0 - 5.6.21, hhvm-3.12.0, 7.0.0 - 7.1.0
0
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.0.0 - 5.0.5
Fatal error: Call to undefined function array_product() in /in/ZItjh on line 4
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: array_product() in /in/ZItjh on line 4
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: array_product() in /in/ZItjh on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: array_product() in /in/ZItjh on line 4