Subversion-Projekte lars-tiefland.laravel_shop

<?php
namespace stringEncode;

class Encode {

        /**
         * The encoding that the string is currently in.
         *
         * @var string
         */
        protected $from;
        
        /**
         * The encoding that we would like the string to be in.
         *
         * @var string
         */
        protected $to;

        /**
         * Sets the default charsets for thie package.
         */
        public function __construct()
        {
                // default from encoding
                $this->from = 'CP1252';

                // default to encoding
                $this->to = 'UTF-8';
        }

        /**
         * Sets the charset that we will be converting to.
         *
         * @param string $charset
         * @chainable
         */
        public function to($charset)
        {
                $this->to = strtoupper($charset);
                return $this;
        }

        /**
         * Sets the charset that we will be converting from.
         *
         * @param string $charset
         * @chainable
         */
        public function from($charset)
        {
                $this->from = strtoupper($charset);
        }

        /**
         * Returns the to and from charset that we will be using.
         *
         * @return array
         */
        public function charset()
        {
                return [
                        'from' => $this->from,
                        'to'   => $this->to,
                ];
        }

        /**
         * Attempts to detect the encoding of the given string from the encodingList.
         *
         * @param string $str
         * @param array $encodingList
         * @return bool
         */
        public function detect($str, $encodingList = ['UTF-8', 'CP1252'])
        {
                $charset = mb_detect_encoding($str, $encodingList);
                if ($charset === false)
                {
                        // could not detect charset
                        return false;
                }

                $this->from = $charset;
                return true;
        }

        /**
         * Attempts to convert the string to the proper charset.
         *
         * @return string
         */
        public  function convert($str)
        {
                if ($this->from != $this->to)
                {
                        $str = iconv($this->from, $this->to, $str);
                }

                if ($str === false)
                {
                        // the convertion was a failure
                        throw new Exception('The convertion from "'.$this->from.'" to "'.$this->to.'" was a failure.');
                }

                // deal with BOM issue for utf-8 text
                if ($this->to == 'UTF-8')
                {
                        if (substr($str, 0, 3) == "\xef\xbb\xbf")
                        {
                                $str = substr($str, 3);
                        }
                        if (substr($str, -3, 3) == "\xef\xbb\xbf")
                        {
                                $str = substr($str, 0, -3);
                        }
                }

                return $str;
        }
}