Source for file GoogleSpell.php

Documentation is available at GoogleSpell.php

<?php
/**
* $Id: GoogleSpell.php,v 1.2 2009/08/09 03:08:08 sam2kb Exp $
*
* @author Moxiecode
*/
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][1], $matches[$i][2], "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, $word);
if (count($matches) > 0)
$sug = explode("\t", $this->_unhtmlentities($matches[0][4]));
// Remove empty
foreach ($sug as $item) {
if ($item)
$osug[] = $item;
}
return $osug;
}
function &_getMatches($lang, $str) {
$server = "www.google.com";
$port = 443;
$path = "/tbproxy/spell?lang=" . $lang . "&hl=en";
$host = "www.google.com";
$url = "https://" . $server;
// Setup XML request
$xml = '<?xml version="1.0" encoding="utf-8" ?><spellrequest textalreadyclipped="0" ignoredups="0" ignoredigits="1" ignoreallcaps="1"><text>' . $str . '</text></spellrequest>';
$header = "POST ".$path." HTTP/1.0 \r\n";
$header .= "MIME-Version: 1.0 \r\n";
$header .= "Content-type: application/PTI26 \r\n";
$header .= "Content-length: ".strlen($xml)." \r\n";
$header .= "Content-transfer-encoding: text \r\n";
$header .= "Request-number: 1 \r\n";
$header .= "Document-type: Request \r\n";
$header .= "Interface-Version: Test 1.4 \r\n";
$header .= "Connection: close \r\n\r\n";
$header .= $xml;
// Use curl if it exists
if (function_exists('curl_init')) {
// Use curl
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL,$url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_CUSTOMREQUEST, $header);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
$xml = curl_exec($ch);
curl_close($ch);
} else {
// Use raw sockets
$fp = fsockopen("ssl://" . $server, $port, $errno, $errstr, 30);
if ($fp) {
// Send request
fwrite($fp, $header);
// Read response
$xml = "";
while (!feof($fp))
$xml .= fgets($fp, 128);
fclose($fp);
} else
echo "Could not open SSL connection to google.";
}
// Grab and parse content
$matches = array();
preg_match_all('/<c o="([^"]*)" l="([^"]*)" s="([^"]*)">([^<]*)<\/c>/', $xml, $matches, PREG_SET_ORDER);
return $matches;
}
function _unhtmlentities($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);
}
}
?>

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Source for file GoogleSpell.php

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