PHP ʖ²ἯTH º󍋼/A array_intersect ˵÷ =ד 1. array_intersect() =ד $array1 = array ("a" = "green", "red", "blue"); $array2 = array ("b" = "green", "yellow", "red"); $result = array_intersect ($array1, $array2); բʹµà$result ³Ɏª£º Array ([a] = green [0] = red) ¾¯¸漯B ±¾º¯ʽԚ PHP 4.0.4 ֐ʇ»µµģ¡ º󍋼/A ưµ㼯A array_intersect_assoc ɏһ¼¶ array_key_exists