73 lines
2.5 KiB
PHP
73 lines
2.5 KiB
PHP
<?php
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/**
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* WordPress Coding Standard.
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*
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* @package WPCS\WordPressCodingStandards
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* @link https://github.com/WordPress/WordPress-Coding-Standards
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* @license https://opensource.org/licenses/MIT MIT
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*/
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namespace WordPressCS\WordPress\Helpers;
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/**
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* Helper utilities for working with user provided property values.
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*
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* ---------------------------------------------------------------------------------------------
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* This class is only intended for internal use by WordPressCS and is not part of the public API.
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* This also means that it has no promise of backward compatibility. Use at your own risk.
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* ---------------------------------------------------------------------------------------------
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*
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* @internal
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*
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* @since 3.0.0 The method in this class was previously contained in the
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* `WordPressCS\WordPress\Sniff` class and has been moved here.
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*/
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final class RulesetPropertyHelper {
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/**
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* Merge a pre-set array with a ruleset provided array.
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*
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* - By default flips custom lists to allow for using `isset()` instead
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* of `in_array()`.
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* - When `$flip` is true:
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* * Presumes the base array is in a `'value' => true` format.
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* * Any custom items will be given the value `false` to be able to
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* distinguish them from pre-set (base array) values.
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* * Will filter previously added custom items out from the base array
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* before merging/returning to allow for resetting to the base array.
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*
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* {@internal Function is static as it doesn't use any of the properties or others
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* methods anyway.}
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*
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* @since 0.11.0
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* @since 2.0.0 No longer supports custom array properties which were incorrectly
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* passed as a string.
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* @since 3.0.0 Moved from the Sniff class to this class.
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*
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* @param array $custom Custom list as provided via a ruleset.
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* @param array $base Optional. Base list. Defaults to an empty array.
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* Expects `value => true` format when `$flip` is true.
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* @param bool $flip Optional. Whether or not to flip the custom list.
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* Defaults to true.
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* @return array
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*/
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public static function merge_custom_array( $custom, array $base = array(), $flip = true ) {
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if ( true === $flip ) {
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$base = array_filter( $base );
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}
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if ( empty( $custom ) || ! \is_array( $custom ) ) {
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return $base;
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}
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if ( true === $flip ) {
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$custom = array_fill_keys( $custom, false );
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}
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if ( empty( $base ) ) {
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return $custom;
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}
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return array_merge( $base, $custom );
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}
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}
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