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PHP Ds / Stack count () function

Syntax:
int DsStack::count (void)
Parameters:this function takes no parameters.Return value:this function returns the number of items present on the stack.The following programs illustrate the Ds / Stack::count() in PHP:Program 1:  
// Declare a new stack $stack = new DsStack ([10, 15, 21]);  
// Show stack item var_dump ( $stack );  
// Count the number of items
// present in the stack echo "Number of elements present in the stack: " ; print_r ( $stack -> count ());  
?>
Exit:
object (DsStack ) # 1 (3) {[0] = > int (21) [1] = > int (15) [2] = > int (10)} Number of elements present in the stack: 3
Program 2:  
// Declare a new stack $stack = new DsStack ([ " Geeks " , " for " , "Keegs" ]);  
// Show stack item print_r ( $stack );  
// Display the number of items
// present in the stack echo "Number of elements present in the stack: " ; var_dump ( $stack -> count ());  
?>
Exit:
DsStack Object ( [0] = > Keegs [1] = > for [2] = > Geeks) Number of elements present in the stack: int (3)
Link: https://www.php.net/manual/en/ds-stack.count.php

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