WP_REST_Request::has_param() WordPress Method
The WP_REST_Request::has_param() method is used to determine whether a parameter has been set for a given request. This can be useful when validating user input or when trying to determine whether a certain piece of data is available.
WP_REST_Request::has_param( string $key ) #
Checks if a parameter exists in the request.
Description
This allows distinguishing between an omitted parameter, and a parameter specifically set to null.
Parameters
- $key
(string)(Required)Parameter name.
Return
(bool) True if a param exists for the given key.
Source
File: wp-includes/rest-api/class-wp-rest-request.php
419 420 421 422 423 424 425 426 427 428 429 | public function has_param( $key ) { $order = $this->get_parameter_order(); foreach ( $order as $type ) { if ( is_array( $this->params[ $type ] ) && array_key_exists( $key, $this->params[ $type ] ) ) { return true; } } return false;} |
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Changelog
| Version | Description |
|---|---|
| 5.3.0 | Introduced. |