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02:12
created

Product::toArray()   A

Complexity

Conditions 2
Paths 2

Size

Total Lines 9
Code Lines 5

Duplication

Lines 9
Ratio 100 %

Code Coverage

Tests 5
CRAP Score 2

Importance

Changes 0
Metric Value
dl 9
loc 9
ccs 5
cts 5
cp 1
rs 9.6666
c 0
b 0
f 0
cc 2
eloc 5
nc 2
nop 0
crap 2
1
<?php
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namespace drupol\phpermutations\Iterators;
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use drupol\phpermutations\Combinatorics;
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/**
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 * Class Product.
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 *
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 * @package drupol\phpermutations\Iterators
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 */
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class Product extends Combinatorics implements \Iterator {
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  /**
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   * @var int
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   */
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  protected $key;
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  /**
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   * @var \Iterator[]
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   */
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  protected $iterators = array();
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  /**
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   * Product constructor.
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   *
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   * @param array $datasetArray
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   * @param int|null $length
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   */
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  public function __construct(array $datasetArray, $length = NULL) {
1 ignored issue
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Coding Style introduced by
TRUE, FALSE and NULL must be lowercase; expected null, but found NULL.
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31 4
    parent::__construct($datasetArray);
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    foreach ($datasetArray as $dataset) {
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      $this->iterators[] = new \ArrayIterator($dataset);
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    }
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    $this->key = 0;
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  }
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  /**
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   * @inheritdoc
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   */
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  public function current() {
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    $tuple = array();
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    foreach ($this->iterators as $iterator) {
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      $tuple[] = $iterator->current();
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    }
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    return $tuple;
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  }
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  /**
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   * @inheritdoc
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   */
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  public function next() {
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    /** @var $reverseIterators \Iterator[] */
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    $reverseIterators = array_reverse($this->iterators);
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    foreach ($reverseIterators as $key => $iterator) {
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      $iterator->next();
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      if ($iterator->valid()) {
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        foreach ($this->iterators as $key2 => $iterator2) {
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          if ($key >= count($this->iterators) - $key2) {
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            $iterator2->rewind();
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          }
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        }
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        break;
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      }
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    }
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    $this->key++;
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  }
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  /**
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   * @inheritdoc
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   */
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  public function key() {
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    return $this->key;
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  }
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  /**
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   * @inheritdoc
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   */
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  public function valid() {
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    $isUnlessOneValid = FALSE;
1 ignored issue
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Coding Style introduced by
TRUE, FALSE and NULL must be lowercase; expected false, but found FALSE.
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87
88 4
    foreach ($this->iterators as $iterator) {
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      if ($iterator->valid()) {
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        $isUnlessOneValid = TRUE;
0 ignored issues
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Coding Style introduced by
TRUE, FALSE and NULL must be lowercase; expected true, but found TRUE.
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      }
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    }
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    return $isUnlessOneValid;
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  }
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  /**
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   * @inheritdoc
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   */
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  public function rewind() {
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    foreach ($this->iterators as $iterator) {
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      $iterator->rewind();
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    }
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    $this->key = 0;
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  }
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  /**
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   * @return int
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   */
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  public function count() {
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    $product = 1;
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    foreach ($this->getDataset() as $dataset) {
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      $product *= count($dataset);
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    }
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    return $product;
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  }
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  /**
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   * @return array
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   */
124 4 View Code Duplication
  public function toArray() {
0 ignored issues
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Duplication introduced by
This method seems to be duplicated in your project.

Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation.

You can also find more detailed suggestions in the “Code” section of your repository.

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125 4
    $data = array();
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    for ($this->rewind(); $this->valid(); $this->next()) {
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      $data[] = $this->current();
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    }
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    return $data;
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  }
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}
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