GitSync
122 lines
2.0 KiB
PHP
122 lines
2.0 KiB
PHP
<?php
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namespace stringEncode;
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class Encode {
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/**
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* The encoding that the string is currently in.
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*
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* @var string
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*/
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protected $from;
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/**
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* The encoding that we would like the string to be in.
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*
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* @var string
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*/
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protected $to;
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/**
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* Sets the default charsets for thie package.
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*/
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public function __construct()
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{
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// default from encoding
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$this->from = 'CP1252';
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// default to encoding
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$this->to = 'UTF-8';
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}
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/**
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* Sets the charset that we will be converting to.
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*
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* @param string $charset
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* @chainable
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*/
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public function to($charset)
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{
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$this->to = strtoupper($charset);
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return $this;
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}
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/**
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* Sets the charset that we will be converting from.
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*
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* @param string $charset
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* @chainable
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*/
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public function from($charset)
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{
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$this->from = strtoupper($charset);
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}
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/**
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* Returns the to and from charset that we will be using.
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*
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* @return array
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*/
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public function charset()
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{
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return [
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'from' => $this->from,
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'to' => $this->to,
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];
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}
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/**
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* Attempts to detect the encoding of the given string from the encodingList.
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*
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* @param string $str
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* @param array $encodingList
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* @return bool
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*/
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public function detect($str, $encodingList = ['UTF-8', 'CP1252'])
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{
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$charset = mb_detect_encoding($str, $encodingList);
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if ($charset === false)
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{
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// could not detect charset
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return false;
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}
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$this->from = $charset;
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return true;
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}
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/**
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* Attempts to convert the string to the proper charset.
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*
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* @return string
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*/
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public function convert($str)
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{
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if ($this->from != $this->to)
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{
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$str = iconv($this->from, $this->to, $str);
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}
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if ($str === false)
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{
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// the convertion was a failure
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throw new Exception('The convertion from "'.$this->from.'" to "'.$this->to.'" was a failure.');
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}
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// deal with BOM issue for utf-8 text
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if ($this->to == 'UTF-8')
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{
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if (substr($str, 0, 3) == "\xef\xbb\xbf")
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{
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$str = substr($str, 3);
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}
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if (substr($str, -3, 3) == "\xef\xbb\xbf")
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{
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$str = substr($str, 0, -3);
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}
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}
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return $str;
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}
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}
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