TELL ME WHAT THESE DATA SANITIZING FILTER EXTENSIONS MEAN FI

TELL ME WHAT THESE DATA SANITIZING FILTER EXTENSIONS MEAN.

FILTER_SANITIZE_EMAIL

FILTER_SANITIZE_ENCODED

To validate user input easily, PHP 7 provides a filter_var() function.

	DATA SANITIZING FILTER	Description
1	FILTER_SANITIZE_EMAIL	Strip invalid characters, Remove all characters except letters, digits and !#$%&\'+-=?^_`{\|}~@.[]*.
2	FILTER_SANITIZE_ENCODED	URL-encode string, optionally strip or encode special characters.