Strings::filter() - Code Metrics - Inspection of "[WIP] Version 3.0" - traderinteractive/filter-strings-php - Measure and Improve Code Quality continuously with Scrutinizer

Failed Conditions

Pull Request — master (#1)

unknown

created 2018-03-05 21:14 UTC

Strings::filter() C

↳ Parent: Strings

Complexity

Conditions	11
Paths	15

Size

Total Lines	41
Code Lines	22

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	11
eloc	22
nc	15
nop	4
dl	0
loc	41
rs	5.2653
c	0
b	0
f	0

How to fix Complexity

<?php

namespace TraderInteractive\Filter;

use TraderInteractive\Exceptions\FilterException;

/**
 * A collection of filters for strings.
 */
final class Strings
{
    /**
     * Filter a string.
     *
     * Verify that the passed in value  is a string.  By default, nulls are not allowed, and the length is restricted
     * between 1 and PHP_INT_MAX.  These parameters can be overwritten for custom behavior.
     *
     * The return value is the string, as expected by the \TraderInteractive\Filterer class.
     *
     * @param mixed $value The value to filter.
     * @param bool $allowNull True to allow nulls through, and false (default) if nulls should not be allowed.
     * @param int $minLength Minimum length to allow for $value.
     * @param int $maxLength Maximum length to allow for $value.
     * @return string|null The passed in $value.
     *
     * @throws FilterException if the value did not pass validation.
     * @throws \InvalidArgumentException if one of the parameters was not correctly typed.
     */
    public static function filter($value, bool $allowNull = false, int $minLength = 1, int $maxLength = PHP_INT_MAX)
    {
        if ($minLength < 0) {
            throw new \InvalidArgumentException('$minLength was not a positive integer value');
        }

        if ($maxLength < 0) {
            throw new \InvalidArgumentException('$maxLength was not a positive integer value');
        }

        if ($allowNull === true && $value === null) {
            return null;
        }

        if (is_scalar($value)) {
            $value = "{$value}";
        }

        if (is_object($value) && method_exists($value, '__toString')) {
            $value = (string)$value;
        }

        if (!is_string($value)) {
            throw new FilterException("Value '" . var_export($value, true) . "' is not a string");
        }

        $valueLength = strlen($value);

        if ($valueLength < $minLength || $valueLength > $maxLength) {
            throw new FilterException(
                sprintf(
                    "Value '%s' with length '%d' is less than '%d' or greater than '%d'",
                    $value,
                    $valueLength,
                    $minLength,
                    $maxLength
                )
            );
        }

        return $value;
    }

    /**
     * Explodes a string into an array using the given delimiter.
     *
     * For example, given the string 'foo,bar,baz', this would return the array ['foo', 'bar', 'baz'].
     *
     * @param string $value The string to explode.
     * @param string $delimiter The non-empty delimiter to explode on.
     * @return array The exploded values.
     *
     * @throws \InvalidArgumentException if the delimiter does not pass validation.
     */
    public static function explode(string $value, string $delimiter = ',')
    {
        if (empty($delimiter)) {
            throw new \InvalidArgumentException(
                "Delimiter '" . var_export($delimiter, true) . "' is not a non-empty string"
            );
        }

        return explode($delimiter, $value);
    }
}


1			<?php
2
3			namespace TraderInteractive\Filter;
4
5			use TraderInteractive\Exceptions\FilterException;
6
7			/**
8			* A collection of filters for strings.
9			*/
10			final class Strings
11			{
12			/**
13			* Filter a string.
14			*
15			* Verify that the passed in value is a string. By default, nulls are not allowed, and the length is restricted
16			* between 1 and PHP_INT_MAX. These parameters can be overwritten for custom behavior.
17			*
18			* The return value is the string, as expected by the \TraderInteractive\Filterer class.
19			*
20			* @param mixed $value The value to filter.
21			* @param bool $allowNull True to allow nulls through, and false (default) if nulls should not be allowed.
22			* @param int $minLength Minimum length to allow for $value.
23			* @param int $maxLength Maximum length to allow for $value.
24			* @return string\|null The passed in $value.
25			*
26			* @throws FilterException if the value did not pass validation.
27			* @throws \InvalidArgumentException if one of the parameters was not correctly typed.
28			*/
29			public static function filter($value, bool $allowNull = false, int $minLength = 1, int $maxLength = PHP_INT_MAX)
30			{
31			if ($minLength < 0) {
32			throw new \InvalidArgumentException('$minLength was not a positive integer value');
33			}
34
35			if ($maxLength < 0) {
36			throw new \InvalidArgumentException('$maxLength was not a positive integer value');
37			}
38
39			if ($allowNull === true && $value === null) {
40			return null;
41			}
42
43			if (is_scalar($value)) {
44			$value = "{$value}";
45			}
46
47			if (is_object($value) && method_exists($value, '__toString')) {
48			$value = (string)$value;
49			}
50
51			if (!is_string($value)) {
52			throw new FilterException("Value '" . var_export($value, true) . "' is not a string");
53			}
54
55			$valueLength = strlen($value);
56
57			if ($valueLength < $minLength \|\| $valueLength > $maxLength) {
58			throw new FilterException(
59			sprintf(
60			"Value '%s' with length '%d' is less than '%d' or greater than '%d'",
61			$value,
62			$valueLength,
63			$minLength,
64			$maxLength
65			)
66			);
67			}
68
69			return $value;
70			}
71
72			/**
73			* Explodes a string into an array using the given delimiter.
74			*
75			* For example, given the string 'foo,bar,baz', this would return the array ['foo', 'bar', 'baz'].
76			*
77			* @param string $value The string to explode.
78			* @param string $delimiter The non-empty delimiter to explode on.
79			* @return array The exploded values.
80			*
81			* @throws \InvalidArgumentException if the delimiter does not pass validation.
82			*/
83			public static function explode(string $value, string $delimiter = ',')
84			{
85			if (empty($delimiter)) {
86			throw new \InvalidArgumentException(
87			"Delimiter '" . var_export($delimiter, true) . "' is not a non-empty string"
88			);
89			}
90
91			return explode($delimiter, $value);
92			}
93			}
94

traderinteractive / filter-strings-php

Pull Request — master (#1)

Strings::filter() C

Complexity

Size

Duplication

Importance

How to fix Complexity

Long Method

Duplication Side-by-Side

Filter issues like