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PHP Ds / Map intersect () function

Syntax:
DsMap public DsMap::intersect (DsMap $map)
Parameter: this function takes one parameter $map,which contains another map that contains the key of other elements.Return value:this function returns the intersection current map with another map.The programs below illustrate the Ds / Map::intersect()function in PHP:Program 1:
// PHP illustration program intersect()
// Ds / map function 
// Create a map $map1 = new DsMap ([ "1" = > "10" , "3" = > 30, "4" = > 40]);  
// Create another map $map2 = new DsMap ([ "2" = > "20" , "3" = > 35, "5" = > 50, "6" = > 60]);  
// Use the Ds / Map::intersect() function print_r ( $map1 -> intersect ( $map2 ));  
?>
Exit:
DsMap Object ( [0] = > DsPair Object ([key] = > 3 [value] = > 30))
Program 2:


// PHP illustration program intersect()
// Ds / map function 
// Create a map $map1 = new DsMap ([ "1" = > "Geeks" , "2" = > "for"
, "3" = > "Geeks" ]);  
// Create another map $map2 = new DsMap ([ "2" = > "for" , "3" = > "Geeks" , "4" = > "GeeksforGeeks" ]);  
// Use the Ds / Map::intersect() function print_r ( $map1 -> intersect ( $map2 ));  
?>
Exit:
DsMap Object ( [0] = > DsPair Object ([key] = > 2 [value] = > for) [1] = > DsPair Object ([key] = > 3 [value] = > Geeks))
Link: https://www.php.net /manual/en/ds-map.intersect.php

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