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 // 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 // Create new vector $vector = new \Ds\Vector(["neveropen", "for", "neveropen"]); echo ("Original Vector\n"); // Display vector elements print_r($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] => neveropen
[1] => for
[2] => neveropen
)
Modified Vector
Ds\Vector Object
(
)
Reference: http://php.net/manual/en/ds-vector.clear.php
