__return_null(): null
Returns null.
Description
Useful for returning null to filters easily.
Return
null Null value.
Source
File: wp-includes/functions.php.
View all references
function __return_null() { // phpcs:ignore WordPress.NamingConventions.ValidFunctionName.FunctionDoubleUnderscore,PHPCompatibility.FunctionNameRestrictions.ReservedFunctionNames.FunctionDoubleUnderscore
return null;
}
Changelog
| Version | Description |
|---|---|
| 3.4.0 | Introduced. |
User Contributed Notes
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Add a filter on `example_filter` that returns null.