PHP | SplQueue::__construct() Function
R_Raj
The SplQueue::__construct() function is an inbuilt function in PHP which is used to construct a queue which is implemented using a doubly-linked list.
Syntax:
void SplQueue::__construct(void)
Parameters: This function does not accept any parameter.
Return Value: This function does not return any value.
Below programs illustrate the SplQueue::__construct() function in PHP:
Program 1:
<?php // Create a new empty queue$q = new SplQueue(); $q[] = 1;$q[] = 2;$q[] = 3; // Print the queue elementsecho $q[0] . "\n";echo $q[1] . "\n";echo $q[2] . "\n";?> |
Output:
1 2 3
Program 2:
<?php // Create some fixed size array$gfg = new SplQueue(); $gfg[] = 1;$gfg[] = 5;$gfg[] = 1;$gfg[] = 11;$gfg[] = 15;$gfg[] = 17; foreach ($gfg as $elem) { echo $elem . "\n";}?> |
Output:
1 5 1 11 15 17
Reference: https://www.php.net/manual/en/splqueue.construct.php
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