PHP | Ds\Sequence set() Function
The Ds\Sequence::set() function is an inbuilt function in PHP which is used to updates a value at a given index.
Syntax:
void abstract public Ds\Sequence::set ( int $index , mixed $value )
Parameters: This function accepts two parameters as mentioned above and described below:
- $index: It is used to hold the index number where value of sequence to be updated.
- $value: It is used to hold the new value which to be update at given index.
Return value: This function does not return any value.
Below programs illustrate the Ds\Sequence::set() function in PHP:
Program 1:
<?php
$seq = new \Ds\Vector([1, 2, 3, 4, 5]);
echo ( "Original Sequence\n" );
print_r( $seq );
$seq ->set(2, "Geeks" );
echo ( "\nSequence after updating the elements\n" );
print_r( $seq );
?>
|
Output:
Original Sequence
Ds\Vector Object
(
[0] => 1
[1] => 2
[2] => 3
[3] => 4
[4] => 5
)
Sequence after updating the elements
Ds\Vector Object
(
[0] => 1
[1] => 2
[2] => Geeks
[3] => 4
[4] => 5
)
Program 2:
<?php
$seq = new \Ds\Vector([ "Geeks" , "for" , "Geeks" ,
"Computer" , "Science" , "Portal" ]);
echo ( "Original Sequence\n" );
print_r( $seq );
$seq ->set(0, "Welcome" );
$seq ->set(1, "to" );
$seq ->set(2, "GeeksforGeeks" );
echo ( "\nSequence after updating the elements\n" );
print_r( $seq );
?>
|
Output:
Original Sequence
Ds\Vector Object
(
[0] => Geeks
[1] => for
[2] => Geeks
[3] => Computer
[4] => Science
[5] => Portal
)
Sequence after updating the elements
Ds\Vector Object
(
[0] => Welcome
[1] => to
[2] => GeeksforGeeks
[3] => Computer
[4] => Science
[5] => Portal
)
Reference: https://www.php.net/manual/en/ds-sequence.set.php
Last Updated :
22 Aug, 2019
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