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lincoln dot du dot j at gmail dot com ¶

7 years ago

<?php
  
$queue = new SplQueue();
$queue->enqueue('A');
$queue->enqueue('B');
$queue->enqueue('C');

$queue->rewind();
while($queue->valid()){
    echo $queue->current(),"\n";
    $queue->next();
}

print_r($queue);
$queue->dequeue(); //remove first one
print_r($queue);

?>
Output

A
B
C
SplQueue Object
(
    [flags:SplDoublyLinkedList:private] => 4
    [dllist:SplDoublyLinkedList:private] => Array
        (
            [0] => A
            [1] => B
            [2] => C
        )

)
SplQueue Object
(
    [flags:SplDoublyLinkedList:private] => 4
    [dllist:SplDoublyLinkedList:private] => Array
        (
            [0] => B
            [1] => C
        )

)

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