PHP | DsCollection clear() Function

PHP | Ds\Vector clear() Function

Last Updated : 22 Aug, 2019

The Ds\Vector::clear() function is an inbuilt function in PHP which is used to clear the vector elements by removing all the elements from the vector. Syntax:

void public Ds\Vector::clear( void )

Parameters: This function does not accept any parameter. Return Value: This function does not return any value. Below programs illustrate the Ds\Vector::clear() function in PHP: Program 1:

PHP

<?php

// Create new vector
$vector = new \Ds\Vector([1, 2, 3, 4, 5]);

echo ("Original Vector\n");

// Display vector elements
print_r($vector);

echo("Modified Vector\n");

// Use clear() function to 
// remove vector elements
$vector->clear();

// Display vector elements
print_r($vector);

?>

Output:

Original Vector
Ds\Vector Object
(
    [0] => 1
    [1] => 2
    [2] => 3
    [3] => 4
    [4] => 5
)
Modified Vector
Ds\Vector Object
(
)

Program 2:

PHP

<?php

// Create new vector
$vector = new \Ds\Vector(["geeks", "for", "geeks"]);

echo ("Original Vector\n");

// Display vector elements
print_r($vector);

echo("Modified Vector\n");

// Use clear() function to 
// remove vector elements
$vector->clear();

// Display vector elements
print_r($vector);

?>

Output:

Original Vector
Ds\Vector Object
(
    [0] => geeks
    [1] => for
    [2] => geeks
)
Modified Vector
Ds\Vector Object
(
)

Reference: http://php.net/manual/en/ds-vector.clear.php

PHP | DsCollection clear() Function

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