The Ds\Vector::count() function is an inbuilt function in PHP which is used to count the number of elements in the vector.
Syntax:
int public Ds\Vector::count( void )
Parameters: This function does not accepts any parameter.
Return Value: This function returns the number of elements in the vector.
Below programs illustrate the Ds\Vector::count() function in PHP:
Program 1:
<?php   // Declare a vector $arr1 = new \Ds\Vector([1, 2, 3, 4, 5, 6, 7, 8]);   echo("Vector elements\n");   // Display the vector elements print_r($arr1);   echo("Count vector elements: ");   // Use count() function to count // elements in the vector echo(count($arr1));   ?> |
Output:
Vector elements
Ds\Vector Object
(
[0] => 1
[1] => 2
[2] => 3
[3] => 4
[4] => 5
[5] => 6
[6] => 7
[7] => 8
)
Count vector elements: 8
Program 2:
<?php   // Declare a vector $arr1 = new \Ds\Vector(["neveropen", "for", "neveropen"]);   echo("Vector elements\n");   // Display the vector elements print_r($arr1);   echo("Count vector elements: ");   // Use count() function to count // elements in the vector echo(count($arr1));   ?> |
Output:
Vector elements
Ds\Vector Object
(
[0] => neveropen
[1] => for
[2] => neveropen
)
Count vector elements: 3
Reference: http://php.net/manual/en/ds-vector.count.php
Whether you’re preparing for your first job interview or aiming to upskill in this ever-evolving tech landscape, neveropen Courses are your key to success. We provide top-quality content at affordable prices, all geared towards accelerating your growth in a time-bound manner. Join the millions we’ve already empowered, and we’re here to do the same for you. Don’t miss out – check it out now!
