<?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 2.0.0
* @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 class for string helping
*
* @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 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 null
*
* @param string $value The value to test
*
* @return bool Is a value null
*/
public function isNull($value)
{
return $value === 'null';
}
/**
* 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 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 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;
}
/**
* 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 starts with a number
*
* @param string $line The line to test
*
* @return bool Returns if the line starts with a number
*/
public function startsWithNumber($line)
{
return is_numeric(substr($line, 0, 1));
}
/**
* Strips comments from a value
*
* @param string $value The value to strip comments from
*
* @return string value
*/
public function stripComments($value)
{
$value = explode(" #", $value, 2);
return trim($value[0]);
}
}