M1\Env\Helper\StringHelper

Complexity

Total Complexity

13

Size/Duplication

Total Lines	100
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	0

Test Coverage

Coverage

100%

Importance

Changes	1
Bugs	0	Features	0

7 Methods

Rating	Name	Duplication	Size	Complexity
A	startsWith()	0	4	2
A	isString()	0	4	2
A	isBool()	0	4	1
A	isBoolInString()	0	4	3
A	isNumber()	0	4	1
A	isNull()	0	4	1
A	isVariableClone()	0	4	3

<?php

/**
 * This file is part of the m1\env library
 *
 * (c) m1 <hello@milescroxford.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 *
 * @package     m1/env
 * @version     1.1.0
 * @author      Miles Croxford <hello@milescroxford.com>
 * @copyright   Copyright (c) Miles Croxford <hello@milescroxford.com>
 * @license     http://github.com/m1/env/blob/master/LICENSE.md
 * @link        http://github.com/m1/env/blob/master/README.md Documentation
 */

namespace M1\Env\Helper;

/**
 * The trait for checking types
 *
 * @since 1.1.0
 */
class StringHelper
{
    /**
     * The bool variants available in .env
     *
     * @var array $bool_variants
     */
    private static $bool_variants = array(
        'true', 'false', 'yes', 'no'
    );

    /**
     * Returns if value starts with a value
     *
     * @param string $string The value to search for
     * @param string $line   The line to test
     *
     * @return bool Returns if the line starts with value
     */
    public function startsWith($string, $line)
    {
        return $string === "" || strrpos($line, $string, -strlen($line)) !== false;
    }

    /**
     * Returns if value is a string
     *
     * @param string $value The value to test
     *
     * @return bool Is a value a string
     */
    public function isString($value)
    {
        return $this->startsWith('\'', $value) || $this->startsWith('"', $value);
    }

    /**
     * Returns if value is a bool
     *
     * @param string $value The value to test
     *
     * @return bool Is a value a bool
     */
    public function isBool($value)
    {
        return in_array(strtolower($value), self::$bool_variants);
    }

    /**
     * Returns if the bool is in a string
     *
     * @param string $value         The value to test
     * @param bool   $quoted_string Is the context a quoted string
     * @param int    $word_count    The amount of words in the sentence
     *
     * @return bool Is a value a bool in a string
     */
    public function isBoolInString($value, $quoted_string, $word_count)
    {
        return (is_bool($value)) && ($quoted_string || $word_count >= 2);
    }

    /**
     * Returns if value is number
     *
     * @param string $value The value to test
     *
     * @return bool Is a value a number
     */
    public function isNumber($value)
    {
        return is_numeric($value);
    }

    /**
     * Returns if value is null
     *
     * @param string $value The value to test
     *
     * @return bool Is a value null
     */
    public function isNull($value)
    {
        return $value === 'null';
    }

    /**
     * Returns if variable value is a clone, e.g. BOOL = $(BOOL_1)
     *
     * @param string $value         The value to test
     * @param array  $matches       The matches of the variables
     * @param bool   $quoted_string If the value is in a quoted string
     *
     * @return bool Is a value null
     */
    public function isVariableClone($value, $matches, $quoted_string)
    {
        return (count($matches[0]) === 1) && $value == $matches[0][0] && !$quoted_string;
    }
}