WP_REST_Request::has_param

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Summery Summery

Checks if a parameter exists in the request.

Syntax Syntax

WP_REST_Request::has_param( string $key )

Description Description

This allows distinguishing between an omitted parameter, and a parameter specifically set to null.

Parameters Parameters

$key

(string) (Required) Parameter name.

Return Return

(bool) True if a param exists for the given key.

Source Source

File: wp-includes/rest-api/class-wp-rest-request.php

		$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 Changelog

Changelog
Version Description
5.3.0 Introduced.

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