PHP - Snippets

2013-09-25T07:42:54Z

79.240.49.80:

== Clean up POST und GET ==
Zusätzliche Sicherheit für Post und Get.
<pre>
function clean($elem) {
/* used to add some security to get and post vars */
if(!is_array($elem))
$elem = htmlentities($elem,ENT_QUOTES,"UTF-8");
else
foreach ($elem as $key => $value)
$elem[$key] = $this->clean($value);
return $elem;
}

$_CLEAN['GET'] = clean($_GET);
$_CLEAN['POST'] = clean($_POST);
</pre>

== IP Adresse Abfragen ==
<pre>
public static function get_ip() {
$REMOTE_ADDR = $_SERVER['REMOTE_ADDR'];
if ( ! empty( $_SERVER['X_FORWARDED_FOR'] ) ) {
$X_FORWARDED_FOR = explode(',', $_SERVER['X_FORWARDED_FOR'] );
if ( ! empty( $X_FORWARDED_FOR ) ) {
$REMOTE_ADDR = trim( $X_FORWARDED_FOR[0] );
}
}
elseif ( ! empty($_SERVER['HTTP_X_FORWARDED_FOR'] ) ) {
$HTTP_X_FORWARDED_FOR= explode(',', $_SERVER['HTTP_X_FORWARDED_FOR']);
if ( ! empty($HTTP_X_FORWARDED_FOR ) ) {
$REMOTE_ADDR = trim($HTTP_X_FORWARDED_FOR[0]);
}
}
return preg_replace('/[^0-9a-f:\., ]/si', '', $REMOTE_ADDR);
}

</pre>

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