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run code in 150+ php & hhvm versions
Bugs & Features
<?php private static 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 */ public static 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); foreach ($setB as $k=>$v) { if (array_key_exists($k, $setA)) { if (!isSuperSet($setA[$k], $v)) { return false; } } else { return false; } } return true; } $a=array(101=>array(1,2,3), 100=>array(2,3)); $b=array(101=>array(1,2)); echo hasAllCapabilities($a, $b);
based on cQO8U
Output for 5.4.0 - 5.4.32
Parse error: syntax error, unexpected 'private' (T_PRIVATE) in /in/BGgjp on line 2
Process exited with code 255.
Output for 5.1.0 - 5.3.29
Parse error: syntax error, unexpected T_PRIVATE in /in/BGgjp on line 2
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_PRIVATE in /in/BGgjp on line 2
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STATIC in /in/BGgjp on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_STATIC in /in/BGgjp on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/BGgjp on line 2
Process exited with code 255.