Security Helper

The Security Helper file contains security related functions. This helper is loaded using the following code:

ee()->load->helper('security');

Available Functions

Parameter	Type	Description
$str	`String`	Input data
$is_image	`Bool`	Whether we’re dealing with an image
Returns	`String`	XSS-clean string

Provides Cross Site Script Hack filtering.

This function is an alias for Security::xss_clean().

Parameter	Type	Description
$filename	`String`	Filename
Returns	`String`	Sanitized file name

Provides protection against directory traversal.

This function is an alias for Security::sanitize_filename().

Parameter	Type	Description
$str	`String`	Input string
Returns	`String`	The input string with no image tags

This is a security function that will strip image tags from a string. It leaves the image URL as plain text.

Example:

$string = strip_image_tags($string);

Parameter	Type	Description
$str	`String`	Input string
Returns	`String`	Safely formatted string

This is a security function that converts PHP tags to entities.

Note: xss_clean() does this automatically, if you use it.

Example:

$string = encode_php_tags($string);