PHP | Ds\Vector count() Function
Last Updated :
22 Aug, 2019
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The Ds\Vector::count() function is an inbuilt function in PHP which is used to count the number of elements in the vector.
Syntax:
PHP
Output:
PHP
Output:
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));
?>
<?php// Declare a vector $arr1 = new \Ds\Vector([1, 2, 3, 4, 5, 6, 7, 8]);echo("Vector elements\n");// Display the vector elementsprint_r($arr1);echo("Count vector elements: ");// Use count() function to count // elements in the vectorecho(count($arr1));?>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
$arr1 = new \Ds\Vector(["geeks", "for", "geeks"]);
echo("Vector elements\n");
// Display the vector elements
print_r($arr1);
echo("Count vector elements: ");
// Use count() function to count
// elements in the vector
echo(count($arr1));
?>
<?php// Declare a vector $arr1 = new \Ds\Vector(["geeks", "for", "geeks"]);echo("Vector elements\n");// Display the vector elementsprint_r($arr1);echo("Count vector elements: ");// Use count() function to count // elements in the vectorecho(count($arr1));?>Vector elements
Ds\Vector Object
(
[0] => geeks
[1] => for
[2] => geeks
)
Count vector elements: 3
Reference: http://php.net/manual/en/ds-vector.count.php
