3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php /* * make sure the setA is super set of setB */ function isSuperSet($setA, $setB) { if (!is_array($setA) && !is_array($setB)) { return $setA == $setB; } if (!is_array($setA) || !is_array($setB)) { return false; } $keys = array_intersect_key($setA, $setB); if (count($keys) != count($setB)) { return false; } foreach ($keys as $k => $v) { if (!isSuperSet($setA[$k], $setB[$k])) { return false; } } return true; } /* * return true if setA has all capabilities in setB. Here the comparison is on actual capabilities, and nothing * fancy like number of capabilities or a weighted sum of capabilities. In other words, return true if setB is a * subset of setA. * * NOTE: This function does not validate if the inputs are really capability lists. * * @param array setA - master list to compare against * @param array setB - subset to be compared * * @return bool */ function hasAllCapabilities($setA, $setB) { if(!isset($setA)) $setA = array(); if(!is_array($setA)) $setA = array($setA); if(!isset($setB)) $setB = array(); if(!is_array($setB)) $setB = array($setB); return isSuperSet($setA, $setB); } $a=array(1=>array(2,3)); $b=array(1); echo hasAllCapabilities($a, $b);
based on PCvp8
Output for 5.1.0 - 5.6.28, hhvm-3.10.0 - 3.13.2, 7.0.0 - 7.1.0
Output for 5.0.0 - 5.0.5
Fatal error: Call to undefined function array_intersect_key() in /in/FvogH on line 13
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: array_intersect_key() in /in/FvogH on line 13
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: array_intersect_key() in /in/FvogH on line 13
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: array_intersect_key() in /in/FvogH on line 13