Created
February 1, 2014 19:35
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PHP functions to clean user input.
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<?php | |
function cleanInput($input) { | |
$search = array( | |
'@<script[^>]*?>.*?</script>@si', // Strip out javascript | |
'@<[\/\!]*?[^<>]*?>@si', // Strip out HTML tags | |
'@<style[^>]*?>.*?</style>@siU', // Strip style tags properly | |
'@<![\s\S]*?--[ \t\n\r]*>@' // Strip multi-line comments | |
); | |
$output = preg_replace($search, '', $input); | |
return $output; | |
} | |
?> | |
<?php | |
function sanitize($input) { | |
if (is_array($input)) { | |
foreach($input as $var=>$val) { | |
$output[$var] = sanitize($val); | |
} | |
} | |
else { | |
if (get_magic_quotes_gpc()) { | |
$input = stripslashes($input); | |
} | |
$input = cleanInput($input); | |
$output = mysql_real_escape_string($input); | |
} | |
return $output; | |
} | |
?> |
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