ddlzz\AmoAPI\Utils\StringUtil

Complexity

Total Complexity

18

Size/Duplication

Total Lines	93
Duplicated Lines	0 %

Test Coverage

Coverage

100%

Importance

Changes

0

8 Methods

Rating	Name	Duplication	Size	Complexity
A	isFilePath()	0	3	2
A	isAlNum()	0	3	2
A	isOnlyLetters()	0	3	2
A	isDomain()	0	6	4
A	isEmail()	0	7	2
A	isUrlPath()	0	3	2
A	isCorrectType()	0	3	2
A	isText()	0	3	2

<?php

namespace ddlzz\AmoAPI\Utils;

/**
 * Class StringUtil.
 *
 * @author ddlzz
 */
class StringUtil
{
    /**
     * @param string $value
     *
     * @return bool
     */
    public static function isAlNum($value)
    {
        return !(!self::isCorrectType($value) || !ctype_alnum((string)$value));
    }

    /**
     * @param string $value
     *
     * @return bool
     */
    public static function isEmail($value)
    {
        if (!filter_var($value, FILTER_VALIDATE_EMAIL)) {
            return false;
        }

        return true;
    }

    /**
     * @param string $value
     *
     * @return bool
     */
    public static function isDomain($value)
    {
        return self::isCorrectType($value)
            && (preg_match("/^([a-z\d](-*[a-z\d])*)(\.([a-z\d](-*[a-z\d])*))*$/i", $value) // valid chars check
            && preg_match('/^.{1,253}$/', $value) // overall length check
            && preg_match("/^[^\.]{1,63}(\.[^\.]{1,63})*$/", $value)); // length of each label
    }

    /**
     * @param string $value
     *
     * @return bool
     */
    public static function isOnlyLetters($value)
    {
        return !(!self::isCorrectType($value) || !ctype_alpha($value));
    }

    /**
     * Checks if the variable contains letters and punctuation marks only.
     *
     * @param string $value
     *
     * @return bool
     */
    public static function isText($value)
    {
        return self::isCorrectType($value) && preg_match('/^[A-Za-z0-9\.\-\'"!,;:\?()_\/\s]+$/', $value);
    }

    /**
     * Checks if the variable is a valid URL path.
     *
     * @param string $value
     *
     * @return bool
     */
    public static function isUrlPath($value)
    {
        return self::isCorrectType($value) && preg_match('/^\/[A-Za-z0-9\/?&=,;@\[\]\.#]+$/', $value);
    }

    /**
     * The valid file path starts with '/' or 'vfs://'.
     *
     * @param string $value
     *
     * @return bool
     */
    public static function isFilePath($value)
    {
        return self::isCorrectType($value) && preg_match('/^(vfs:\/)?\/[A-Za-z0-9\/\._\s-]+$/', $value);
    }

    /**
     * @param mixed $value
     *
     * @return bool
     */
    private static function isCorrectType($value)
    {
        return is_int($value) || is_string($value);
    }
}