TinyMCE GoogleSpell PHP RPC

GoogleSpell.php

<?php
/**
 *
 * @package MCManager.includes
 * @author Thierry Francois @colymba
 * @author Moxiecode
 * @copyright Copyright © 2004-2007, Moxiecode Systems AB, All rights reserved.
 */

class GoogleSpell extends SpellChecker {
  /**
	 * Spellchecks an array of words.
	 *
	 * @param {String} $lang Language code like sv or en.
	 * @param {Array} $words Array of words to spellcheck.
	 * @return {Array} Array of misspelled words.
	 */
	function &checkWords($lang, $words) {
		$wordstr = implode(' ', $words);
		$matches = $this->_getMatches($lang, $wordstr);
		$words = array();

		for ($i=0; $i<count($matches); $i++)
			$words[] = $this->_unhtmlentities(mb_substr($wordstr, $matches[$i]['charStart'], $matches[$i]['charLength'], "UTF-8"));

		return $words;
	}

	/**
	 * Returns suggestions of for a specific word.
	 *
	 * @param {String} $lang Language code like sv or en.
	 * @param {String} $word Specific word to get suggestions for.
	 * @return {Array} Array of suggestions for the specified word.
	 */
	function &getSuggestions($lang, $word) {
		$sug = array();
		$osug = array();
		$matches = $this->_getMatches($lang, $word);

		foreach ($matches[0]['suggestions'][0] as $type => $word) {
		 	array_push($sug, $word);
		}

		return $osug;
	}

	function &_getMatches($lang, $str) {
		$server = "www.googleapis.com";
		$port = 443;
		$path = "/rpc";
		$url = "https://" . $server . ":" . $port . $path;

		$requestData = json_encode( array(
			"method" => "spelling.check",
			"apiVersion" => "v2",
			"params" => array(
				"language" => $lang,
				"text" => $str,
				"key" => "AIzaSyCLlKc60a3z7lo8deV-hAyDU7rHYgL4HZg"
			)
		));

		$ch = curl_init();
		curl_setopt($ch, CURLOPT_URL,$url);			
		curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);			
		curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);

		curl_setopt($ch, CURLOPT_HTTPHEADER, array('Content-Type: application/json'));
		curl_setopt($ch, CURLOPT_POST, 1);
		curl_setopt($ch, CURLOPT_POSTFIELDS, $requestData);

		$response = curl_exec($ch);
		curl_close($ch);

		$response = json_decode( $response, true );
		return $response['result']['spellingCheckResponse']['misspellings'];
	}

	function _unhtmlentities($string) {
		$string = preg_replace('~&#x([0-9a-f]+);~ei', 'chr(hexdec("\\1"))', $string);
		$string = preg_replace('~&#([0-9]+);~e', 'chr(\\1)', $string);

		$trans_tbl = get_html_translation_table(HTML_ENTITIES);
		$trans_tbl = array_flip($trans_tbl);

		return strtr($string, $trans_tbl);
	}
}

// Patch in multibyte support
if (!function_exists('mb_substr')) {
	function mb_substr($str, $start, $len = '', $encoding="UTF-8"){
		$limit = strlen($str);

		for ($s = 0; $start > 0;--$start) {// found the real start
			if ($s >= $limit)
				break;

			if ($str[$s] <= "\x7F")
				++$s;
			else {
				++$s; // skip length

				while ($str[$s] >= "\x80" && $str[$s] <= "\xBF")
					++$s;
			}
		}

		if ($len == '')
			return substr($str, $s);
		else
			for ($e = $s; $len > 0; --$len) {//found the real end
				if ($e >= $limit)
					break;

				if ($str[$e] <= "\x7F")
					++$e;
				else {
					++$e;//skip length

					while ($str[$e] >= "\x80" && $str[$e] <= "\xBF" && $e < $limit)
						++$e;
				}
			}

		return substr($str, $s, $e - $s);
	}
}

?>