CodeIgniter Framework hints disallowed Key characters Solution _php Instance

Open the CI framework of the source code is not difficult to find, in the CI of the core input class has such a function:

Copy Code code as follows:

function _clean_input_keys ($STR)
{
if (! Preg_match ("/^[a-z0-9:_\/-]+$/i", $str))
{
Exit (' Disallowed Key Characters. ');
}

Clean UTF-8 if supported
if (utf8_enabled = = TRUE)
{
$str = $this->uni->clean_string ($STR);
}

return $str;
}

This is filtered so that the error is thrown

We rewrite this method in the core of application.
Name a my_input.php (prefix My_ can be customized in config.php), and then add the following code

Copy Code code as follows:

Class Ai_input extends Ci_input {

Constructors
function __construct () {
Parent::__construct ();
}

function _clean_input_keys ($STR)
{
if (Preg_match ("/^,_[a-z0-9:_\/-]+$/", $str)) {
$str = Preg_replace ("/,_/", "", $str);
}

if (! Preg_match ("/^[a-z0-9:_\/-]+$/i", $str))
{
Exit (' Disallowed Key Characters. ') $STR);
}
return $str;
}
}