PHP | Ds\Sequence shift() Function
Last Updated :
22 Aug, 2019
The Ds\Sequence::shift() function is an inbuilt function in PHP which is used to removes the first element from the sequence and return it.
Syntax:
mixed abstract public Ds\Sequence::shift ( void )
Parameters: This function does not accepts any parameter.
Return values: This function returns the first value which is removed from the sequence.
Below programs illustrate the Ds\Sequence::shift() function in PHP:
Program 1:
<?php
$seq = new \Ds\Vector([9, 10, 15, 20]);
var_dump( $seq ->shift());
var_dump( $seq ->shift());
var_dump( $seq ->shift());
var_dump( $seq ->shift());
?>
|
Output:
int(9)
int(10)
int(15)
int(20)
Program 2:
<?php
$seq = new \Ds\Vector([ "Geeks" , "for" , "Geeks" ]);
var_dump( $seq ->shift());
var_dump( $seq ->shift());
var_dump( $seq ->shift());
?>
|
Output:
string(5) "Geeks"
string(3) "for"
string(5) "Geeks"
Reference: http://php.net/manual/en/ds-sequence.shift.php
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