How to use SplQueue::__construct() function in PHP?

This article will introduce to you how to use the "SplQueue::__construct()" function in PHP. It has certain reference value. Friends in need can refer to it. I hope it will be helpful to everyone.

SplQueue::__construct() function is a built-in function in PHP, used to construct a queue implemented using a double linked list.

The syntax is as follows:

void SplQueue::__construct(void)

Parameters: This function does not accept any parameters.

Return value: This function does not return any value.

The following program illustrates the SplQueue::__ construct() function in PHP:

Program 1:

The output is as follows:

1 2 3

Program 2:

The output is as follows:

1 5 1 11 15 17

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