PHP | Ds\Stack __construct() Function
The Ds\Stack::__construct() function is an inbuilt function in PHP which is used to create a new instance of stack.
Syntax:
public Ds\Stack::__construct( $values )
Parameters: This function accepts single parameter $values which holds the traversable object or array to use initial values.
Below programs illustrate the Ds\Stack::__construct() function in PHP:
Program 1:
<?php
$stack = new \Ds\Stack();
print_r( $stack );
$stack = new \Ds\Stack([ 'G' , 'E' , 'K' , 'S' ]);
print_r( $stack );
?>
|
Output:
Ds\Stack Object
(
)
Ds\Stack Object
(
[0] => S
[1] => K
[2] => E
[3] => G
)
Program 2:
<?php
$stack = new \Ds\Stack([2, 3, 6, 7, 8]);
var_dump( $stack );
$stack = new \Ds\Stack([2, 3, 5, 8, 9, 10]);
var_dump( $stack );
?>
|
Output:
object(Ds\Stack)#1 (5) {
[0]=>
int(8)
[1]=>
int(7)
[2]=>
int(6)
[3]=>
int(3)
[4]=>
int(2)
}
object(Ds\Stack)#2 (6) {
[0]=>
int(10)
[1]=>
int(9)
[2]=>
int(8)
[3]=>
int(5)
[4]=>
int(3)
[5]=>
int(2)
}
Reference: https://www.php.net/manual/en/ds-stack.construct.php
Last Updated :
30 Jul, 2019
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