PHP | Ds\Vector __construct() Function
The Ds\Vector::__construct() function is an inbuilt function in PHP which is used to creates a new instance.
Syntax:
Ds\Vector::__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\Vector::__construct() function in PHP:
Program 1:
<?php // Declare a new Vector $vect = new \Ds\Vector(); print_r($vect); // Declare a new set $vect = new \Ds\Vector(['G', 'E', 'K', 'S']); print_r($vect); ?> |
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Output:
Ds\Vector Object
(
)
Ds\Vector Object
(
[0] => G
[1] => E
[2] => K
[3] => S
)
Program 2:
<?php // Declare a new vector $vect = new \Ds\Vector([2, 3, 6, 7, 8]); var_dump($vect); // Declare a new vector $vect = new \Ds\Vector([2, 3, 5, 8, 9, 10]); var_dump($vect); ?> |
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Output:
object(Ds\Vector)#1 (5) {
[0]=>
int(2)
[1]=>
int(3)
[2]=>
int(6)
[3]=>
int(7)
[4]=>
int(8)
}
object(Ds\Vector)#2 (6) {
[0]=>
int(2)
[1]=>
int(3)
[2]=>
int(5)
[3]=>
int(8)
[4]=>
int(9)
[5]=>
int(10)
}
Reference: https://www.php.net/manual/en/ds-vector.construct.php
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