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array_intersect « Data Structure « PHP
PHP
Data Structure
array_intersect
1.
Array Intersection
2.
array_intersect
3.
array_intersect( ) function returns a new array containing all the values of array $arr1 that exist in array $arr2.
4.
array_intersect_assoc
5.
Intersecting two arrays that have no duplicate keys, all the keys will be retained.