SplArrayQueue

The SplStack class provides the main functionalities of a stack implemented using a doubly linked list and the iterator mode is based on FIFO (First In First Out).

Namespace

O2System\Spl\Datastructures

Class

O2System\Spl\Datastructures\SplArrayQueue

Usage Example

use O2System\Spl\Datastructures\SplArrayQueue;

$vehicles = new SplArrayQueue();
$vehicles->push( 'Ferrari' );

Methods Reference

SplArrayQueue::__construct

O2System\Spl\Datastructures\SplArrayQueue class constructor.

see: http://php.net/manual/en/class.splqueue.php

Parameter

Parameter	type	Requirement	Description
$queue	array	optional	initial array

Return

Type	Description
SplArrayQueue	Returns an SplArrayQueue object on success.

Example

$vehicles = new SplArrayQueue ( [ 
                'Ferrari',
                'Porsche' 
            ] );

SplArrayQueue::isEmpty

Checks if the array storage is empty.

Return

Type	Description
bool	Returns TRUE if the array storage is empty.

Example

if( $vehicles->isEmpty() ) 
{
    // if the array storage is empty
}

SplArrayQueue::has

Checks if a value exists in the storage.

Parameter

Parameter	type	Requirement	Description
$needle	mixed	optional	The searched value
$strict	bool	optional	If the third parameter strict is set to TRUE then the in_array() function will also check the types of the needle in the haystack

Return

Type	Description
bool	Returns TRUE if a value exists in the storage.

Example

if( $vehicles->has() ) 
{
    // if a value exists in the storage
}

SplArrayQueue::getArrayCopy

Creates a copy of the storage.

Return

Type	Description
array	Returns A copy of the storage.

Example

//contohnya

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