$newTweet = preg_replace('/[0-9]*/', '', $newTweet);
// Remove URLs
$newTweet = preg_replace('((https?|ftp|gopher|telnet|file|notes|ms-help):((//)|(\\\\))+[\\w\\d:#@%/;$()~_?\\+-=\\\\.&]*)', '', $newTweet);
// Remove special characters
$newTweet = preg_replace('/[^A-Za-z0-9_\\s]/', '', $newTweet);
// Remove RT
$newTweet = preg_replace('/RT./', '', $newTweet);
// Convert tweet to hash for comparison
$tweetHash = crc32($newTweet);
// Check database for hash
$hashCheck = $db->query("SELECT * FROM tweet_hash WHERE hash LIKE '" . $tweetHash . "'");
// If no hash found, tweet has not been checked before
if (mysql_num_rows($hashCheck) == 0) {
// Store hash in database
$db->query("INSERT INTO tweet_hash VALUES('','" . $tweetHash . "')");
// Increase number of checked tweets to calculate average later
$numTweets++;
// Add tweet to string to be spellchecked
$regionTweets = $regionTweets . " " . $newTweet;
}
}
// If numtweets = 0, all tweets were duplicates so no average should be stored
if ($numTweets > 0) {
// Check spelling and calculate avg number of misspellings
$misspellings[$pointIndex] = $spellChecker->reader($regionTweets, false, false) / $numTweets;
// Add rate into DB
$query = "INSERT INTO literacy_cache VALUES('','" . $pointIndex . "','" . $misspellings[$pointIndex] . "')";
$db->query($query);
}
$pointIndex++;
}
<title>Online dictionary! Written by Reza Salehi</title>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
</head>
<body>
<?php
$dr = new dataReader();
// creating a new instance of the class dataReader. this class gets the inputed context and
// uses the class LookupTable to find misspled words.
$wrd = "";
$j = 0;
$i = 0;
$sug = false;
$stat = false;
if ($_POST["sug"] == '1') {
$sug = true;
} else {
$sug = false;
}
if ($_POST["stat"] == '1') {
$stat = true;
} else {
$stat = false;
}
$str = $_POST["str"];
$dr->reader($str, $sug, $stat);
?>
<a href="index.htm"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><strong>Back</strong></font></a>
</body>
</html>
