Stack::__construct() - Code Metrics - phootwork/collection - Measure and Improve Code Quality continuously with Scrutinizer

Stack::__construct() A
last analyzed 2019-08-03 20:44 UTC

↳ Parent: Stack

Complexity

Conditions	1
Paths	1

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
dl	0
loc	3
rs	10
c	0
b	0
f	0
cc	1
nc	1
nop	1

<?php
namespace phootwork\collection;

use \Iterator;

/**
 * Represents a Stack
 * 
 * FILO - first in last out
 * 
 * @author Thomas Gossmann
 */
class Stack extends AbstractList {

	/**
	 * Creates a new ArrayList
	 * 
	 * @param array|Iterator $collection
	 */
	public function __construct($collection = []) {
		$this->pushAll($collection);
	}
	
	/**
	 * Pushes an element onto the stack
	 * 
	 * @param mixed $element
	 * @return $this
	 */
	public function push($element) {
		array_push($this->collection, $element);
		
		return $this;
	}
	
	/**
	 * Pushes many elements onto the stack
	 *
	 * @param array|Iterator $collection
	 * @return $this
	 */
	public function pushAll($collection) {
		foreach ($collection as $element) {
			$this->push($element);
		}
		
		return $this;
	}
	
	/**
	 * Returns the element at the head or null if the stack is empty but doesn't remove that element  
	 * 
	 * @return mixed
	 */
	public function peek() {
		if ($this->size() > 0) {
			return $this->collection[$this->size() - 1];
		}

		return null;
	}
	
	/**
	 * Pops the element at the head from the stack or null if the stack is empty
	 * 
	 * @return mixed
	 */
	public function pop() {
		return array_pop($this->collection);
	}

}

1			<?php
2			namespace phootwork\collection;
3
4			use \Iterator;
5
6			/**
7			* Represents a Stack
8			*
9			* FILO - first in last out
10			*
11			* @author Thomas Gossmann
12			*/
13			class Stack extends AbstractList {
14
15			/**
16			* Creates a new ArrayList
17			*
18			* @param array\|Iterator $collection
19			*/
20			public function __construct($collection = []) {
21			$this->pushAll($collection);
22			}
23
24			/**
25			* Pushes an element onto the stack
26			*
27			* @param mixed $element
28			* @return $this
29			*/
30			public function push($element) {
31			array_push($this->collection, $element);
32
33			return $this;
34			}
35
36			/**
37			* Pushes many elements onto the stack
38			*
39			* @param array\|Iterator $collection
40			* @return $this
41			*/
42			public function pushAll($collection) {
43			foreach ($collection as $element) {
44			$this->push($element);
45			}
46
47			return $this;
48			}
49
50			/**
51			* Returns the element at the head or null if the stack is empty but doesn't remove that element
52			*
53			* @return mixed
54			*/
55			public function peek() {
56			if ($this->size() > 0) {
57			return $this->collection[$this->size() - 1];
58			}
59
60			return null;
61			}
62
63			/**
64			* Pops the element at the head from the stack or null if the stack is empty
65			*
66			* @return mixed
67			*/
68			public function pop() {
69			return array_pop($this->collection);
70			}
71
72			}

phootwork / collection

Stack::__construct() A last analyzed 2019-08-03 20:44 UTC

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Stack::__construct() A
last analyzed 2019-08-03 20:44 UTC