<?php
/**
* Class:Translator to translate using Yandex
* @author Atef (sweetheatmn@gmail.com)
* @version 1.0.0
*/
class YandexTranslator{
public $ch; //curl handler to use
public $key;
/**
* Constructor to recieve curl handler
* @param curl $ch
*/
function __construct(&$ch,$key){
$this->ch = $ch;
$this->key = $key;
}
/**
* Translate text using Google Post request to google translate
* @param unknown $sourceText
* @param unknown $fromLanguage
* @param unknown $toLanguage
* @return string translated text
*/
function translateText($sourceText , $fromLanguage ,$toLanguage){
//translating
$x='error';
$curlurl='https://translate.yandex.net/api/v1.5/tr.json/translate?key='.$this->key.'&lang='.$fromLanguage.'-'.$toLanguage;
$curlurl = str_replace('auto-','' , $curlurl);
$curlpost= "text=" . urlencode($sourceText) ;
curl_setopt($this->ch, CURLOPT_URL, $curlurl);
curl_setopt($this->ch, CURLOPT_POST, true);
curl_setopt($this->ch, CURLOPT_POSTFIELDS, $curlpost);
$x='error';
$exec=curl_exec($this->ch);
$x=curl_error($this->ch);
// Empty response check
if(trim($exec) == ''){
throw new Exception('Empty translator reply with possible curl error '.$x);
}
// Validate JSON {"
if( ! stristr($exec, '{"') ){
throw new Exception('No JSON was returned, unexpected reply from Yandex' . $exec);
}
//json decode
$json_reply = json_decode($exec);
//validate JSON
if( ! isset($json_reply->code)){
throw new Exception('No code was found in JSON , unexpected reply from Yandex' . $exec);
}
$code = $json_reply->code;
if($code != 200){
throw new Exception('Yandex error ' . $json_reply->message);
}
$translated_array = $json_reply->text;
if ( trim($translated_array[0]) == ''){
throw new Exception('Can not extract returned translation' );
}
return $translated_array[0] ;
}
}