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" ;
?> |
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" ;
} ?> |
Output:
1 5 1 11 15 17 11 12 13 14
Reference: https://www.php.net/manual/en/splqueue.enqueue.php