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32 Filters.php
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32 Filters.php
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<!-- PHP Filters -->
<!-- Validating data = Determine if the data is in proper form. -->
<!-- Sanitizing data = Remove any illegal character from the data. -->
<!-- Validating and Sanitizing Data with Filters -->
<!-- filter_var(variable, filter, options) -->
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>PHP Filters</title>
<style>
section {
margin: 10px;
padding: 10px;
border-radius: 10px;
box-shadow: 0 0 6px black;
}
table,
th,
td {
border: 1px solid teal;
border-collapse: collapse;
}
th,
td {
padding: 5px;
}
</style>
</head>
<body>
<section>
<h2>Filter List</h2>
<table>
<tr>
<th>Index</th>
<th>Filter Name</th>
<th>Filter ID</th>
</tr>
<?php
#PHP Filter List
foreach (filter_list() as $key => $value) {
echo '<tr><td>' . $key . '</td><td>' . $value . '</td><td>' . filter_id($value) . '</td></tr>';
}
?>
</table>
</section>
<section>
<h3>Sanitize A Email</h3>
<?php
$email = " i n f o @ s u / r a j . c o m ";
echo "$email <br>";
$newEmail = filter_var($email, FILTER_SANITIZE_EMAIL);
echo $newEmail;
?>
<hr>
<h3>Sanitize A URL</h3>
<?php
$url = "https :/ /vik ra nt.com";
echo "$url <br>";
$new_url = filter_var($url, FILTER_SANITIZE_URL);
echo $new_url;
?>
</section>
<section>
<h3>Validate An Integer</h3>
<?php
$int = 69;
echo var_dump($int) . "<br>";
echo var_dump(filter_var($int, FILTER_VALIDATE_INT)) . "<br>";
if (filter_var($int, FILTER_VALIDATE_INT)) {
echo $int . " : is Integer";
} else {
echo $int . " : is not Integer";
}
?>
<hr>
<h3>Validate An Integer Within A Range</h3>
<?php
$int = 45;
$min = 11;
$max = 99;
var_dump(filter_var($int, FILTER_VALIDATE_INT, array("options" => array("min_range" => $min, "max_range" => $max))));
echo "<br>";
if (filter_var($int, FILTER_VALIDATE_INT, array("options" => array("min_range" => $min, "max_range" => $max)))) {
echo "The <b>$int</b> is within the range of $min to $max";
} else {
echo "The <b>$int</b> is not within the range of $min to $max";
}
?>
</section>
<section>
<h3>Validate An Float</h3>
<?php
$var = 6.9;
echo var_dump($var) . "<br>";
echo var_dump(filter_var($var, FILTER_VALIDATE_FLOAT)) . "<br>";
if (filter_var($var, FILTER_VALIDATE_FLOAT)) {
echo $var . " : is Float";
} else {
echo $var . " : is not Float";
}
?>
<hr>
<h3>Validate An Float Within A Range</h3>
<?php
$var = 4.5;
$min = 3;
$max = 9;
var_dump(filter_var($var, FILTER_VALIDATE_FLOAT, array("options" => array("min_range" => $min, "max_range" => $max))));
echo "<br>";
if (filter_var($var, FILTER_VALIDATE_FLOAT, array("options" => array("min_range" => $min, "max_range" => $max)))) {
echo "The <b>$var</b> is within the range of $min to $max";
} else {
echo "The <b>$var</b> is not within the range of $min to $max";
}
?>
</section>
<section>
<h3>Validate An Email Address</h3>
<?php
$email = "info@vikrant.com";
if (filter_var($email, FILTER_VALIDATE_EMAIL)) {
echo "$email : is a valid email address";
} else {
echo "$email : is not a valid email address";
}
?>
</section>
<section>
<h3>Validate A URL</h3>
<?php
$url = "https://suraj.com";
if (filter_var($url, FILTER_VALIDATE_URL)) {
echo "$url : is a valid URL";
} else {
echo "$url : is not a valid URL";
}
?>
<hr>
<h3>Validate A URL - Must Contain QueryString</h3>
<?php
$url = "https://suraj.com?search=Software";
if (filter_var($url, FILTER_VALIDATE_URL, FILTER_FLAG_QUERY_REQUIRED)) {
echo "$url : is a valid URL with a query String";
} else {
echo "$url : is not a valid URL with a query String";
}
?>
</section>
<section>
<h3>Validate A Domain</h3>
<?php
$domain = "suraj";
if (filter_var($domain, FILTER_VALIDATE_DOMAIN, FILTER_FLAG_HOSTNAME)) {
echo "$domain : is a valid Domain";
} else {
echo "$domain : is not a valid Domain";
}
?>
</section>
<section>
<h3>Validate An IP Address</h3>
<?php
$ip = "127.0.0.1";
// $ip = "2001:0db8:85a3:08d3:1319:8a2e:0370:7334";
if (filter_var($ip, FILTER_VALIDATE_IP)) {
echo "$ip : is a valid IP address";
} else {
echo "$ip : is not a valid IP address";
}
?>
<hr>
<h3>Validate An IPv4 Address</h3>
<?php
// $ip = "127.0.0.1";
$ip = "2001:0db8:85a3:08d3:1319:8a2e:0370:7334";
if (filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4)) {
echo "$ip : is a valid IPv4 address";
} else {
echo "$ip : is not a valid IPv4 address";
}
?>
<hr>
<h3>Validate An IPv6 Address</h3>
<?php
$ip = "127.0.0.1";
// $ip = "2001:0db8:85a3:08d3:1319:8a2e:0370:7334";
if (filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV6)) {
echo "$ip : is a valid IPv6 address";
} else {
echo "$ip : is not a valid IPv6 address";
}
?>
</section>
<section>
<h3>Validate A MAC Address</h3>
<?php
$mac = "C8-D9-D2-AC-7E-26";
if (filter_var($mac, FILTER_VALIDATE_MAC)) {
echo "$mac : is a valid MAC Address";
} else {
echo "$mac : is not a valid MAC Address";
}
?>
</section>
</body>
</html>