__return_empty_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
function __return_empty_string() { // phpcs:ignore WordPress.NamingConventions.ValidFunctionName.FunctionDoubleUnderscore,PHPCompatibility.FunctionNameRestrictions.ReservedFunctionNames.FunctionDoubleUnderscore
return '';
}
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Changelog
| Version | Description |
|---|---|
| 3.7.0 | Introduced. |