solid-performance / src / Performance / Config / Config_Resolver.php

Config_Resolver.php in Solid Performance – Your No-Code Caching, Performance, & Page Speed Solution 1.4.0, at src/Performance/Config/Config_Resolver.php

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1	<?php
2	/**
3	* Resolves configuration items from multiple sources.
4	*
5	* @package SolidWP\Performance
6	*/
7
8	declare( strict_types=1 );
9
10	namespace SolidWP\Performance\Config;
11
12	/**
13	* Resolves configuration items from multiple sources.
14	*
15	* @package SolidWP\Performance
16	*/
17	final class Config_Resolver {
18
19	/**
20	* Merge configuration arrays, with values from the last array overriding values from the
21	* previous arrays.
22	*
23	* @param array<string, mixed> ...$configs The different config sources.
24	*
25	* @return array
26	*/
27	public function merge_configs( array ...$configs ): array {
28	$merged = [];
29
30	foreach ( $configs as $config ) {
31	$merged = $this->replace_recursive( $merged, $config );
32	}
33
34	return $merged;
35	}
36
37	/**
38	* Recursively merges two arrays, with values from the second array overriding those in the first.
39	*
40	* This method performs a deep merge:
41	* - If both values for a key are arrays, it merges them recursively.
42	* - If one value is an array and the other is a scalar, the scalar overrides the array.
43	* - For numeric keys in indexed arrays, the values from the second array replace those in the first array.
44	*
45	* @param mixed[] $array1 The base array to merge into.
46	* @param mixed[] $array2 The overriding array.
47	*
48	* @return mixed[]
49	*/
50	private function replace_recursive( array $array1, array $array2 ): array {
51	foreach ( $array2 as $key => $value ) {
52	if ( is_array( $value ) && array_is_list( $value ) === false ) {
53	$array1[ $key ] = $this->replace_recursive( $array1[ $key ] ?? [], $value );
54	} else {
55	$array1[ $key ] = $value;
56	}
57	}
58
59	return $array1;
60	}
61	}
62