PHP | SplQueue::enqueue() Function
The SplQueue::enqueue() function is an inbuilt function in PHP which is used to add the element to the queue.
Syntax:
void SplQueue::enqueue( $val )
Parameters: This function accepts a single parameter $val which specifies the value for add (enqueue) element.
Return Value: This function does not return any value.
Below programs illustrate the SplQueue::enqueue() function in PHP:
Program 1:
<?php // Create a new empty queue $gfg = new SplQueue(); $gfg[] = 1; // Enqueue element $gfg->enqueue(10); $gfg->enqueue(20); echo $gfg[1] . "\n"; echo $gfg[2] . "\n"; ?> |
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Output:
10 20
Program 2:
<?php // Create some fixed size array $gfg = new SplQueue(); $gfg[] = 1; $gfg[] = 5; $gfg[] = 1; $gfg[] = 11; $gfg[] = 15; $gfg[] = 17; $gfg->enqueue(11); $gfg->enqueue(12); $gfg->enqueue(13); $gfg->enqueue(14); // Print result after enqueue foreach ($gfg as $elem) { echo $elem."\n"; } ?> |
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Output:
1 5 1 11 15 17 11 12 13 14
Reference: https://www.php.net/manual/en/splqueue.enqueue.php
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