PHP Ds / Set count () Function

Syntax:
int public DsSet::count()
Parameters:this function takes no parameters.Return value:this function returns the number of values ‚Äã‚Äãpresent in the Set instance.The following programs illustrate the Ds function / Set::count() :Program 1:
// Declare a new set $set = new DsSet ([10, 15, 21]);
// Show Set Element var_dump ( $set );
// Display the number of items
// present in the set echo "Count is:" ; print_r ( $set -> count ());
?>
Exit:
object (DsSet ) # 1 (3) {[0] = > int (10) [1] = > int (15) [2] = > int (21)} Count is: 3
Program 2:
// Declare a new set $set = new DsSet ( [ "Geeks" , "for" , "Keegs" ]);
// Show Set Element var_dump ( $set );
// Display the number of items
// present in the set echo "Count is:" ; print_r ( $set -> count ());
?>
Exit:
object (DsSet ) # 1 (3) {[0] = > string (5) "Geeks" [1] = > string (3) "for" [2] = > string (5) "Keegs"} Count is: 3
Link: http://php.net/manual/en/ds-set.count.php

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