PHP | Ds\Vector count() Function
Last Updated :
22 Aug, 2019
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
$arr1 = new \Ds\Vector([1, 2, 3, 4, 5, 6, 7, 8]);
echo ( "Vector elements\n" );
print_r( $arr1 );
echo ( "Count vector elements: " );
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
$arr1 = new \Ds\Vector([ "geeks" , "for" , "geeks" ]);
echo ( "Vector elements\n" );
print_r( $arr1 );
echo ( "Count vector elements: " );
echo ( count ( $arr1 ));
?>
|
Output:
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
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