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Applications / Re: Bad Word Filter with PHP
« on: October 09, 2009, 01:45:41 AM »Code: [Select]
<?php
$text = $_POST['text'];
$text2 = $_POST['text2'];
$text3 = $_POST['text3'];
if(isset($_POST['submit']))
{
$name=array($text,$text2,$text3);
foreach ($name as $name)
{
if (ereg("^\.",$name)) {
echo "<center>Invalid Characters:<a href=\"javascript:history.go(-1)\">Go Back</a></center>";
Die();
}
if (ereg("\<", $name)) {
echo "<center>Invalid Characters:<a href=\"javascript:history.go(-1)\">Go Back</a></center>";
Die();
}
if (ereg("\[", $name)) {
echo "<center>Invalid Characters:<a href=\"javascript:history.go(-1)\">Go Back</a></center>";
Die();
}
if (ereg("\>", $name)) {
echo "<center>Invalid Characters:<a href=\"javascript:history.go(-1)\">Go Back</a></center>";
Die();
}
if (ereg("\quot", $name)) {
echo "<center>Invalid Characters:<a href=\"javascript:history.go(-1)\">Go Back</a></center>";
Die();
}
}
echo $text;
echo"<br>";
echo $text2;
echo"<br>";
echo $text3;
echo"<br>";
}else{
?>
<form action="index.php" method="post">
<input type="text" name="text"><br>
<input type="text" name="text2"><br>
<input type="text" name="text3"><br>
<input type="submit" name="submit" value="demo"><br>
</form>
<?php
}
?>
