English[ˌɪntəˈsekt] US[ˌɪntərˈsekt]

##vt. Cross, cut across, cross

vt.& vi. (referring to lines, roads, etc.) intersect, cross

Third person singular: intersects Present participle: intersecting Past tense: intersected Past participle: intersected

php array_intersect() function syntax

Function:Used to compare the key values of two (or more) arrays and return the intersection.

Syntax:array_intersect(array1,array2,array3...)
Parameters:

Parameters Description
array1 Required. The first array to compare with other arrays.
array2 Required. The array to compare to the first array.
array3,... Optional. Additional array to compare with the first array.

Note:The result array contains all the values in the compared array and also in all other parameter arrays. The key names are not retained. Change.

php array_intersect() function example

"降龙十八掌","黄蓉"=>"打狗棍法","西门"=>"吹雪剑法","过儿"=>"黯然销魂掌"); $a2=array("黄蓉"=>"打狗棍法","小龙女"=>"玉女心经","金轮法王"=>"龙象般若功"); $a3=array("裘千仞"=>"九阴白骨爪","天山童姥"=>"天山传音","黄蓉"=>"打狗棍法"); $result=array_intersect($a1,$a2,$a3); //返回三个数组中都存在的元素 print_r($result); ?>

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Output:

Array ( [黄蓉] => 打狗棍法 )