PHP Ds / Map count () function

PHP

Syntax:
int public DsMap::count()
Parameters:this function takes no parameters.Returned value:this function returns the number of elements present on the map.The programs below illustrate the Ds / function Map::count()in PHP:Program 1: < ? php
// PHP illustration program count()
// Ds / map function  
// Create a map $map = new DsMap ([ "1" = > "Geeks" , "2" = > "for" , "3" = > "Geeks"]);  
// Show map elements print_r ( $map ); echo " Number of elements present in map: " ; print_r ( $map -> count ());  
?>
Exit:
DsMap Object ( [0] = > DsPair Object ([key] = > 1 [value] = > Geeks) [1] = > DsPair Object ([key] = > 2 [value] = > for) [2 ] = > DsPair Object ([key] = > 3 [value] = > Geeks)) Number of elements present in map: 3
Program 2:
// PHP illustration program count()
// Ds / map function 
// Create a map $map = new DsMap ([ "1" = > "10" ,
"2" = > "20" , "3" = > 30, "4" = > 40]);  
// Print map elements print_r ( $map ); echo " Number of elements present in map: " ; print_r ( $map -> count ()); echo " " ;  
// Create another map $map = new DsMap ([1 = > "Welcome" , 2 = > "to" , 3 = > "GeeksforGeeks" ]);  
// Print map elements print_r ( $map ); echo " Number of elements present in map: " ; print_r ( $map -> count ());  
?>
Exit:
DsMap Object ( [0] = > DsPair Object ([key] = > 1 [value] = > 10) [1] = > DsPair Object ([key] = > 2 [value] = > 20) [2 ] = > DsPair Object ([key] = > 3 [value] = > 30) [3] = > DsPair Object ([key] = > 4 [value] = > 40)) Number of elements present in map: 4 DsMap Object ([0] = > DsPair Object ([key] = > 1 [value] = > Welcome) [1] = > DsPair Object ([key] = > 2 [value ] = > to) [2] = > DsPair Object ([key] = > 3 [value] = > GeeksforGeeks)) Number of elements present in map: 3
Link : https://www.php.net/manual/en/ds-map.count .php



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