<?
/*
   Author:	Jamie Telin (hide@address.com), currently at employed Zebramedia.se
	
   Scriptname: GoogleTranslateApi v1.1

   Use:		
   		//Create new object
			$translate = new GoogleTranslateApi;
				
			//How it works
				$translate->FromLang = 'sv';
				$translate->ToLang = 'en';
				echo $translate->translate('Hej jag heter Jamie!');
				//Would output; Hello my name is Jamie!
				
				$translate->TranslatedText //Any translation is also saved in TranslatedText
			
			//Settings
				$translate->FromLang //Set language to translate from
				$translate->ToLang //Set language to translate to
				$translate->Text //Text to translate if not passed with translate();
			
			//Debug / Error reporting
				$translate->DebugMsg //Gets all error messages
				$translate->DebugStatus //Gets all status codes, 200 = ok, 400 = Invalid languages
				
	Important:
   		//Google may update their API and change version. If so, you must update version number in this class.
			$translate->Version = '1.0'; //Use object to change version
			or
			var $Version = '1.0'; //Change it in the source of class
				
*/

class GoogleTranslateApi{

	var $BaseUrl = 'http://ajax.googleapis.com/ajax/services/language/translate';
	var $FromLang = 'sv';
	var $ToLang = 'en';
	var $Version = '1.0';
	
	var $CallUrl;
	
	var $Text = 'Hej världen!';
	
	var $TranslatedText;
	var $DebugMsg;
	var $DebugStatus;
	
	function GoogleTranslateApi(){
		$this->CallUrl = $this->BaseUrl . "?v=" . $this->Version . "&q=" . urlencode($this->Text) . "&langpair=" . $this->FromLang . "%7C" . $this->ToLang;
	}
	
	function makeCallUrl(){
		$this->CallUrl = $this->BaseUrl . "?v=" . $this->Version . "&q=" . urlencode($this->Text) . "&langpair=" . $this->FromLang . "%7C" . $this->ToLang;
	}
	
	function translate($text = ''){
		if($text != ''){
			$this->Text = $text;
		}
		$this->makeCallUrl();
		if($this->Text != '' && $this->CallUrl != ''){
			$handle = fopen($this->CallUrl, "rb");
			$contents = '';
			while (!feof($handle)) {
			$contents .= fread($handle, 8192);
			}
			fclose($handle);
			
			$json = json_decode($contents, true);
			
			if($json['responseStatus'] == 200){ //If request was ok
				$this->TranslatedText = $json['responseData']['translatedText'];
				$this->DebugMsg = $json['responseDetails'];
				$this->DebugStatus = $json['responseStatus'];
				return $this->TranslatedText;
			} else { //Return some errors
				return false;
				$this->DebugMsg = $json['responseDetails'];
				$this->DebugStatus = $json['responseStatus'];
			}
		} else {
			return false;
		}
	}
}
?>