NGramsTrait::frequency() - Code Metrics - Inspection of "Add method frequency()." - drupol/phpngrams - Measure and Improve Code Quality continuously with Scrutinizer

Test Failed

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by Pol

created 2018-02-05 20:43 UTC

NGramsTrait::frequency() A

↳ Parent: NGramsTrait

Complexity

Conditions	1
Paths	1

Size

Total Lines	5
Code Lines	3

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	0
CRAP Score	2

Importance

Changes

Metric	Value
dl	0
loc	5
ccs	0
cts	0
cp	0
rs	9.4285
c	0
b	0
f	0
cc	1
eloc	3
nc	1
nop	2
crap	2

<?php

namespace drupol\phpngrams;

trait NGramsTrait
{
    /**
     * @param array $data
     * @param int $n
     * @param bool $cyclic
     *
     * @return \Generator
     */
    public function ngramsArray(array $data, $n = 1, $cyclic = true)

    {
        return $this->doNgrams($data, $n, $cyclic);
    }

    /**
     * @param string $data
     * @param int $n
     * @param bool $cyclic
     *
     * @return \Generator
     */
    public function ngramsString($data, $n = 1, $cyclic = true)

    {
        foreach ($this->doNgrams(str_split($data), $n, $cyclic) as $data) {
            yield implode('', $data);
        }
    }

    /**
     * @param $data
     * @param $n
     * @param $cyclic
     *
     * @return \Generator
     */
    private function doNgrams($data, $n = 1, $cyclic = true)

    {
        $dataLength = count($data);

        $n = $n > $dataLength ? $dataLength : $n;


        $length = (false === $cyclic ? $dataLength - $n + 1 : $dataLength);

        for ($j = 0; $j < $length; $j++) {
            $ngrams = [];
            for ($i = $j; $i < $n + $j; $i++) {
                $ngrams[] = $data[$i%$dataLength];
            }
            yield $ngrams;
        }
    }

    /**
     * @param \Generator $ngrams
     * @param string $substring
     *
     * @return float|int
     */
    public function frequency(\Generator $ngrams, $substring) {
        $ngrams = iterator_to_array($ngrams);


        return count(array_filter($ngrams, function ($n) use ($substring) { return $n === $substring; }))/count($ngrams);
// Bad
$a = 5; $b = 6; $c = 7;

// Good
$a = 5;
$b = 6;
$c = 7;
    }
}


1		<?php
2
3		namespace drupol\phpngrams;
4
5		trait NGramsTrait
6		{
7		/**
8		* @param array $data
9		* @param int $n
10		* @param bool $cyclic
11		*
12		* @return \Generator
13		*/
14	3	public function ngramsArray(array $data, $n = 1, $cyclic = true)
		0 ignored issues – show Comprehensibility introduced 2018-02-05 19:41 UTC by Report Bug Copy Issue Report Avoid variables with short names like $n. Configured minimum length is 3. Short variable names may make your code harder to understand. Variable names should be self-descriptive. This check looks for variable names who are shorter than a configured minimum. Loading history...
15		{
16	3	return $this->doNgrams($data, $n, $cyclic);
17		}
18
19		/**
20		* @param string $data
21		* @param int $n
22		* @param bool $cyclic
23		*
24		* @return \Generator
25		*/
26	3	public function ngramsString($data, $n = 1, $cyclic = true)
		0 ignored issues – show Comprehensibility introduced 2018-02-05 19:41 UTC by Report Bug Copy Issue Report Avoid variables with short names like $n. Configured minimum length is 3. Short variable names may make your code harder to understand. Variable names should be self-descriptive. This check looks for variable names who are shorter than a configured minimum. Loading history...
27		{
28	3	foreach ($this->doNgrams(str_split($data), $n, $cyclic) as $data) {
29	3	yield implode('', $data);
30		}
31	3	}
32
33		/**
34		* @param $data
35		* @param $n
36		* @param $cyclic
37		*
38		* @return \Generator
39		*/
40	6	private function doNgrams($data, $n = 1, $cyclic = true)
		0 ignored issues – show Comprehensibility introduced 2018-02-05 19:41 UTC by Report Bug Copy Issue Report Avoid variables with short names like $n. Configured minimum length is 3. Short variable names may make your code harder to understand. Variable names should be self-descriptive. This check looks for variable names who are shorter than a configured minimum. Loading history...
41		{
42	6	$dataLength = count($data);
43
44	6	$n = $n > $dataLength ? $dataLength : $n;
		0 ignored issues – show Coding Style introduced 2018-02-05 19:41 UTC by Report Bug Copy Issue Report Consider using a different name than the parameter `$n`. This often makes code more readable. Loading history...
45
46	6	$length = (false === $cyclic ? $dataLength - $n + 1 : $dataLength);
47
48	6	for ($j = 0; $j < $length; $j++) {
49	6	$ngrams = [];
50	6	for ($i = $j; $i < $n + $j; $i++) {
51	6	$ngrams[] = $data[$i%$dataLength];
52		}
53	6	yield $ngrams;
54		}
55	6	}
56
57		/**
58		* @param \Generator $ngrams
59		* @param string $substring
60		*
61		* @return float\|int
62		*/
63		public function frequency(\Generator $ngrams, $substring) {
64		$ngrams = iterator_to_array($ngrams);
		0 ignored issues – show Coding Style introduced 2018-02-05 20:57 UTC by Report Bug Copy Issue Report Consider using a different name than the parameter `$ngrams`. This often makes code more readable. Loading history...
65
66		return count(array_filter($ngrams, function ($n) use ($substring) { return $n === $substring; }))/count($ngrams);
		0 ignored issues – show Comprehensibility introduced 2018-02-05 20:57 UTC by Report Bug Copy Issue Report Avoid variables with short names like $n. Configured minimum length is 3. Short variable names may make your code harder to understand. Variable names should be self-descriptive. This check looks for variable names who are shorter than a configured minimum. Loading history... Coding Style introduced 2018-02-05 20:57 UTC by Report Bug Copy Issue Report Opening brace must be the last content on the line Loading history... Coding Style introduced 2018-02-05 20:57 UTC by Report Bug Copy Issue Report It is generally recommended to place each PHP statement on a line by itself. Let’s take a look at an example: // Bad $a = 5; $b = 6; $c = 7; // Good $a = 5; $b = 6; $c = 7; Loading history...
67		}
68		}
69

drupol / phpngrams

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NGramsTrait::frequency() A

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