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__return_null() – Function | Developer.WordPress.org
__return_null(): null
Useful for returning null to filters easily.
function __return_null() { // phpcs:ignore WordPress.NamingConventions.ValidFunctionName.FunctionDoubleUnderscore,PHPCompatibility.FunctionNameRestrictions.ReservedFunctionNames.FunctionDoubleUnderscore
return null;
}
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| Version | Description |
|---|
| 3.4.0 | Introduced. |
Add a filter on `example_filter` that returns null.