__return_empty_string(): string
Returns an empty string.
Description
Useful for returning an empty string to filters easily.
See also
Return
string Empty string.
More Information
Usage:
// This will add a filter on `example_filter` that returns an empty string
add_filter( 'example_filter', '__return_empty_string' );Source
File: wp-includes/functions.php.
View all references
function __return_empty_string() { // phpcs:ignore WordPress.NamingConventions.ValidFunctionName.FunctionDoubleUnderscore,PHPCompatibility.FunctionNameRestrictions.ReservedFunctionNames.FunctionDoubleUnderscore
return '';
}
Changelog
| Version | Description |
|---|---|
| 3.7.0 | Introduced. |