imagify / vendor / wordpress / mcp-adapter / includes / Domain / Utils / AbilityArgumentNormalizer.php

AbilityArgumentNormalizer.php in Imagify Image Optimization: Optimize Images | Compress & Convert to WebP/AVIF trunk, at vendor/wordpress/mcp-adapter/includes/Domain/Utils/AbilityArgumentNormalizer.php

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1	<?php
2	/**
3	* Normalizes ability arguments for MCP protocol compatibility.
4	*
5	* @package McpAdapter
6	*/
7
8	declare( strict_types=1 );
9
10	namespace WP\MCP\Domain\Utils;
11
12	/**
13	* Normalizes ability arguments between MCP and WordPress Abilities API.
14	*
15	* MCP clients send {} (empty object) for tools without arguments.
16	* PHP decodes this as [] (empty array).
17	* Abilities without input_schema expect null, not empty array.
18	*
19	* @since 0.5.0
20	*/
21	class AbilityArgumentNormalizer {
22
23	/**
24	* Normalize parameters for an ability based on its input schema.
25	*
26	* If the ability has no input schema, empty arrays are converted to null.
27	* This ensures compatibility with abilities that don't accept parameters.
28	*
29	* @param \WP_Ability $ability The ability to normalize parameters for.
30	* @param mixed $parameters The parameters to normalize.
31	*
32	* @return mixed Normalized parameters (null if ability has no schema and params are empty).
33	* @since 0.5.0
34	*
35	*/
36	public static function normalize( \WP_Ability $ability, $parameters ) {
37	$input_schema = $ability->get_input_schema();
38
39	if ( empty( $input_schema ) && is_array( $parameters ) && empty( $parameters ) ) {
40	return null;
41	}
42
43	return $parameters;
44	}
45	}
46