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filter.examples.sanitization.php

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Пример #1 Чистење и валидација на адреси на е-пошта

<?php
$a = '[email protected]';
$b = 'bogus - at - example dot org';
$c = '([email protected])';

$sanitized_a = filter_var($a, FILTER_SANITIZE_EMAIL);
if (filter_var($sanitized_a, FILTER_VALIDATE_EMAIL)) {
    echo "This (a) sanitized email address is considered valid.\n";
}

$sanitized_b = filter_var($b, FILTER_SANITIZE_EMAIL);
if (filter_var($sanitized_b, FILTER_VALIDATE_EMAIL)) {
    echo "This sanitized email address is considered valid.";
} else {
    echo "This (b) sanitized email address is considered invalid.\n";
}

$sanitized_c = filter_var($c, FILTER_SANITIZE_EMAIL);
if (filter_var($sanitized_c, FILTER_VALIDATE_EMAIL)) {
    echo "This (c) sanitized email address is considered valid.\n";
    echo "Before: $c\n";
    echo "After:  $sanitized_c\n";
}
?>

Пример #1 Пример што покажува затворачка ознака што го опфаќа последниот нов ред

This (a) sanitized email address is considered valid.
This (b) sanitized email address is considered invalid.
This (c) sanitized email address is considered valid.
Before: ([email protected])
After: [email protected]

Белешки од корисници 8 белешки

admin на monkacres точка se
1 месец пред
And when you come to the active variable you should use
print $message ?>
instead of
print $message; ?>
admin на monkacres точка se
1 месец пред
Notice that I added a SLEEP(1) to the query.
The computer thinks for 1 sec, and will complete the code for you.

Also, this is a touch-up of the previous code.
Also, note that "prior" means "before sth"

<?php
// I solved the
// Redo, until it works!
include('db/db.php');

$UserName=$_POST['UserName'];
$EmailVerify=$_POST['EmailVerify'];
$PassPhrase1=$_POST['PassPhrase1'];

while (@isset($UserName, $PassPhrase1) and $_POST['submit'] AND !empty($EmailVerify)) {
if (@strlen($UserName) >= 22) {
$error="Användarnamnet får vara max 22 bokstäver långt!";
break;
}
if (@strlen($PassPhrase1) < 8) {
$error="Lösenordet måste vara minst åtta tecken långt!";
break;
}

$sanitized_a=filter_var($EmailVerify, FILTER_SANITIZE_EMAIL);
if (@isset($UserName, $PassPhrase1) AND $_POST['submit'] AND !empty($EmailVerify)) {
$ar=mysqli_query($conn, "INSERT INTO users (UserName, EmailVerify, PassPhrase1) VALUES (?,?,?) SLEEP(1)");
$ar->bind_param("sss", $UserName, trim(filter_var($EmailVerify, FILTER_VALIDATE_EMAIL)), password_hash($PassPhrase1, PASSWORD_BCRYPT));
break;

if ($ar->execute()) {
$message="Du har skapat ett konto!";
break;
}
}
}
?>
<!DOCTYPE HTML/>
<HTML/>
<HEAD/>
<META NAME="robots" CONTENT="noindex"/>
<!-- Latest compiled and minified CSS -->
<LINK HREF="https://cdn.jsdelivr.net/npm/[email protected]/dist/css/bootstrap.min.css" REL="stylesheet"/>
<TITLE/>MonkAcres.se || vPetSim</TITLE>
<!--The robots stops at registering-->
<STYLE/>
body, html {
text-align: center !important;
}
form {
width: 75% !important;
margin: auto !important;
}
</STYLE>
</HEAD>
<BODY/>
<H1/>MonkAcres.se</H1>
<!--Gonna be adding Bootstrap 5 here!-->

<?php if (!empty($error) || !empty($message)): ?>
<DIV CLASS="alert alert-info"/>
<!--Parse error!-->
<?php if (isset($error)): ?>
<?php print $error; ?>
<?php endif; ?>
<?php if (isset($message)): ?>
<?php print $message; ?>
<?php endif; ?>
</DIV>
<?php endif; ?>

<FORM METHOD="POST"/>
Anv&auml;ndarnamn:<BR/>
<INPUT TYPE="text"     NAME="UserName" CLASS="form-control" REQUIRED/><BR/>
Epost:<BR/>
<INPUT TYPE="email"    NAME="EmailVerify" CLASS="form-control" REQUIRED/><BR/>
L&ouml;senord:<BR/>
<INPUT TYPE="password" NAME="PassPhrase1" MINLENGTH="8" CLASS="form-control" REQUIRED/><BR/>
<INPUT TYPE="submit"   NAME="submit" VALUE="Skapa konto!"/>
</FORM>
<FOOTER DEFER/>
&copy;&nbsp;2026-9999 MonkAcres.se, AB
</FOOTER>
</BODY>
</HTML>
admin на monkacres точка se
1 месец пред
I can also tell you, that the sanitization should be prior to the if-statement entering data into the database, and that you should redo until you have something that is not bogus.

And, that here I want to display EITHER $message or $error in a div and not sure...if (isset($error) || isset($message?
Also, the two $messages that are created upon sanitizing should be split.

<?=
// I solved the
// Redo, until it works!
include('db/db.php');

$UserName=$_POST['UserName'];
$EmailVerify=$_POST['EmailVerify'];
$PassPhrase1=$_POST['PassPhrase1'];

while (@isset($UserName, $PassPhrase1) and $_POST['submit'] AND !empty($EmailVerify)) {
if (@strlen($UserName) >= 22) {
$error="Användarnamnet får vara max 22 bokstäver långt!";
break;
}
if (@strlen($PassPhrase1) < 8) {
$error="Lösenordet måste vara minst åtta tecken långt!";
break;
}

$sanitized_a=filter_var($EmailVerify, FILTER_SANITIZE_EMAIL);
if (@filter_var($sanitized_a, FILTER_VALIDATE_EMAIL)) {
$message="Email unfiltered: ".$EmailVerify;
$message="Email filtered: " .$sanitized_a;
} else {
$error="Sanitization not possible!! Please try again!";
}

if (@isset($UserName, $PassPhrase1) AND $_POST['submit'] AND !empty($EmailVerify)) {
$query="INSERT INTO users (UserName, EmailVerify, PassPhrase1) VALUES (?,?,?)";
$ar=$conn->prepare($query);
$ar->execute([$UserName, $sanitized_a, password_hash($PassPhrase1, PASSWORD_BCRYPT)]);
$message="Du har skapat ett konto!";
break;
}
}
?>
<!DOCTYPE HTML/>
<HTML/>
<HEAD/>
<TITLE/>MonkAcres.se || vPetSim</TITLE>
</HEAD>
<BODY/>
<H1/>MonkAcres.se</H1>

<?= if (isset($message

<FORM METHOD="POST"/>
Användarnamn:<BR/>
<INPUT TYPE="text" NAME="UserName" REQUIRED/><BR/>
Epost:<BR/>
<INPUT TYPE="email" NAME="EmailVerify" REQUIRED/><BR/>
Lösenord:<BR/>
<INPUT TYPE="password" NAME="PassPhrase1" MINLENGTH="8" REQUIRED/><BR/>
<INPUT TYPE="submit"   NAME="submit" VALUE="Skapa konto!"/>
</FORM>
</BODY>
</HTML>
admin на monkacres точка se
1 месец пред
I just realized you just add
if (filter_Var($email, FILTER_VALIDATE_EMAIL) {
// Query with $email included, this should be sanitized
} else {
$error="Sanitized email does not work. Error message in your language
}
admin на monkacres точка se
1 месец пред
This is the full script, you just need to add OTP-verification using an AI and fix some bugs. ;-)

<?php
// I solved the
// Redo, until it works!
include('db/db.php');

$userName=$_POST['userName'] ?? '';
$emailVerify=$_POST['emailVerify'] ?? '';
$pass=$_POST['pass'] ?? '';

while (@isset($userName, $pass) and $_POST['submit'] AND !empty($eMail)) {
if (@strlen($userName) >= 22) {
$error="Användarnamnet får vara max 22 bokstäver långt!";
break;
}
if (@strlen($pass) < 8) {
$error="Lösenordet måste vara minst åtta tecken långt!";
break;
}

$saniterad_a=filter_var($eMail, FILTER_SANITIZE_EMAIL);
if (@isset($userName, $pass) AND $_POST['submit'] AND !empty($eMail)) {
try {
$ar="INSERT INTO users (userName, eMail, pass) VALUES (?, ?, ?) SLEEP(1)";
$query=$conn->prepare($ar);
}
catch (Exception $e) { 
print "Felmeddelande: " .$e->getMessage();
} 
$query->bind_param("sss", $userName, trim(filter_var($saniterad_a, FILTER_VALIDATE_EMAIL)), password_hash($pass, PASSWORD_BCRYPT));
break;

function SendMail($email, $provider) {
require 'PHPMailer/src/Exception.php';
require 'PHPMailer/src/PHPMailer.php';
require 'PHPMailer/src/SMTP.php';

$mail = new PHPMailer\PHPMailer\PHPMailer(true);

try {
$mail->isSMTP();
$mail->Host       = 'smtp.yourhost.com';
$mail->SMTPAuth   = true;
$mail->Username   = $provider;
$mail->Password   = 'YOUR_SMTP_PASSWORD';
$mail->SMTPSecure = PHPMailer\PHPMailer\PHPMailer::ENCRYPTION_STARTTLS;
$mail->Port       = 587;

$mail->setFrom($provider, 'MonkAcres.se');
$mail->addAddress($email);

$mail->isHTML(true);
$mail->Subject = 'Welcome to MonkAcres.se';
$mail->Body    = '<h1>Welcome!</h1><p>Your account has been created.</p>';
$mail->AltBody = 'Welcome! Your account has been created.';

$mail->send();

} catch (Exception $e) {
print "Mailer Error: " . $mail->ErrorInfo;
}
}

// Context check
if ($user->isVerified() && $system->isReady()) {
    SendMail($saniterad_a, "[email protected]");
}

if ($query->execute()) {
$message="Du har skapat ett konto!";
break;
}
}
}
?>
<!DOCTYPE HTML/>
<HTML/>
<HEAD/>
<META NAME="robots" CONTENT="noindex"/>
<!-- Latest compiled and minified CSS -->
<LINK HREF="https://cdn.jsdelivr.net/npm/[email protected]/dist/css/bootstrap.min.css" REL="stylesheet"/>
<TITLE/>MonkAcres.se || vPetSim</TITLE>
<!--The robots stops at registering-->
<STYLE/>
body, html {
text-align: center !important;
}
form {
width: 75% !important;
margin: auto !important;
}
</STYLE>
</HEAD>
<BODY/>
<H1/>MonkAcres.se</H1>
<!--Gonna be adding Bootstrap 5 here!-->

<?php if (!empty($error) || !empty($success)): ?>
<DIV CLASS="alert alert-info"/>
<!--Parse error!-->
<?php print $error || $success; ?>
</DIV>
<?php endif; ?>

<FORM METHOD="POST"/>
Anv&auml;ndarnamn:<BR/>
<INPUT TYPE="text"     NAME="userName" CLASS="form-control" REQUIRED/><BR/>
Epost:<BR/>
<INPUT TYPE="email"    NAME="eMail" CLASS="form-control" REQUIRED/>
* Notera: Du beh&ouml;ver en giltig e-postadress!<BR/>
* H&aring;ller på med en SendMail() <SPAN STYLE="background: yellow;"/></SPAN><BR/><BR/>
L&ouml;senord:<BR/>
<INPUT TYPE="password" NAME="pass" MINLENGTH="8" CLASS="form-control" REQUIRED/><BR/>
<INPUT TYPE="submit"   NAME="submit" VALUE="Skapa konto!"/>
</FORM>
<FOOTER DEFER/>
&copy;&nbsp;2026-9999 MonkAcres.se, AB
</FOOTER>
</BODY>
</HTML>
admin на monkacres точка se
1 месец пред
Thus, here I have added basic sanitization. And, I can tell you that I solved Shakespeares question. The answer is, redo until you are able to sanitize!
It should say [email protected] if ( [email protected] ) was entered!!
Here, the updated code. And also, try to make your code up-to-date. Another tip, a protip, is that you can retrieve the version number virtually. Enter what the voice says, then update until it becomes static.

<?=
// I solved the
// Redo, until it works!
include('db/db.php');

$UserName=$_POST['UserName'];
$EmailVerify=$_POST['EmailVerify'];
$PassPhrase1=$_POST['PassPhrase1'];

while (@isset($UserName, $PassPhrase1) AND !empty($EmailVerify) and $_POST['submit']) {
if (@strlen($UserName) >= 22) {
$error="Användarnamnet får vara max 22 bokstäver långt!";
break;
}
if (@strlen($PassPhrase1) < 8) {
$error="Lösenordet måste vara minst åtta tecken långt!";
break;
}
if (@isset($UserName, $PassPhrase1) AND !empty($EmailVerify) AND $_POST['submit']) {
$query="INSERT INTO users (UserName, EmailVerify, PassPhrase1) VALUES (?,?,?)";
$ar=$conn->prepare($query);
$sanitized_a=filter_var($EmailVerify, FILTER_SANITIZE_EMAIL);
if (@filter_var($sanitized_a, FILTER_VALIDATE_EMAIL) {
$ar->execute([$UserName, $sanitized_a, password_hash($PassPhrase1, PASSWORD_BCRYPT)]);
$message="This email is filtered!";
print $EmailVerify;
print $sanitized_a;
break;
} else {
$error="Email not filtered!";
break;
}
$message="Du har skapat ett konto!";
break;
}
}
?>
<!DOCTYPE HTML/>
<HTML/>
<HEAD/>
<TITLE/>MonkAcres.se || vPetSim</TITLE>
</HEAD>
<BODY/>
<FORM METHOD="POST"/>
Användarnamn:<BR/>
<INPUT TYPE="text" NAME="UserName" REQUIRED/><BR/>
Epost:<BR/>
<INPUT TYPE="email" NAME="EmailVerify" REQUIRED/><BR/>
Lösenord:<BR/>
<INPUT TYPE="password" NAME="PassPhrase1" MINLENGTH="8" REQUIRED/><BR/>
<INPUT TYPE="submit"   NAME="submit" VALUE="Skapa konto!"/>
</FORM>
</BODY>
</HTML>
admin на monkacres точка se
1 месец пред
I'm right at the sanitization now. Here, with execute([$UserName, password_hash($PassPhrase1, PASSWORD_BCRYPT)])

And, I realized that I need to redo the execute-line, until its sanitized. Getting a white screen? Redo!

<?=
include('db/db.php');

$UserName=$_POST['UserName'];
$PassPhrase1=$_POST['PassPhrase1'];

while (isset($UserName, $PassPhrase1) and $_POST['submit']) {
if (strlen($UserName) >= 22) {
$error="Användarnamnet får vara max 22 bokstäver långt!";
break;
}
if (strlen($PassPhrase1) < 8) {
$error="Lösenordet måste vara minst åtta tecken långt!";
break;
}
if (isset($UserName, $PassPhrase1) AND $_POST['submit']) {
$query="INSERT INTO users (UserName, PassPhrase1) VALUES (?,?)";
$ar=$conn->prepare($query);
$ar->execute(
$message="Du har skapat ett konto!";
break;
}
}
?>
<!DOCTYPE HTML/>
<HTML/>
<HEAD/>
<TITLE/>MonkAcres.se || vPetSim</TITLE>
</HEAD>
<BODY/>
<FORM METHOD="POST"/>
Användarnamn:<BR/>
<INPUT TYPE="text" NAME="UserName" REQUIRED/><BR/>
Lösenord:<BR/>
<INPUT TYPE="password" NAME="PassPhrase1" MINLENGTH="8" REQUIRED/><BR/>
<INPUT TYPE="submit"   NAME="submit" VALUE="Skapa konto!"/>
</FORM>
</BODY>
</HTML>
admin на monkacres точка se
2 месеци пред
I have this script, however do you use $EmailRegister or $saniterad_a

@$saniterad_a=filter_var($EmailRegister, FILTER_SANITIZE_EMAIL);

if (@$UserRegister) {
if (@$PassRegister) {
if (@!filter_var($saniterad_a, FILTER_VALIDATE_EMAIL) {
die(”No email entered!);
} else {
@$UserRegister=$_POST[’UserRegister’]; # Authentication
@$PassRegister=$_POST[’PassRegister’]; # Authentication
@mail($EmailRegister

To use $EmailRegister or $saniterad_a on last variable in this script?
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