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array_intersect

(PHP4 >= 4.0.1)

array_intersect -- Computes the intersection of arrays

Description

array array_intersect (array array1, array array2 [, array ...])

Array_intersect() returns an array containing all the values of array1 that are present in all the arguments.

Példa 1. Array_intersect() example

  1 
  2 $array1 = array ("a" => "green", "red", "blue");
  3 $array2 = array ("b" => "green", "yellow", "red");
  4 $result = array_intersect ($array1, $array2);
  5 

This makes $result have array ("a" => "green", "red");

See also array_diff().

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