ConfigBuilderBase.php
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ConfigBuilderBase.php
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	<?php

	namespace MediaWiki\Settings\Config;

	abstract class ConfigBuilderBase implements ConfigBuilder {

	abstract protected function has( string $key ): bool;

	abstract protected function update( string $key, $value );

	/**
	* @inheritDoc
	*/
	public function set(
	string $key,
	$newValue,
	?MergeStrategy $mergeStrategy = null
	): ConfigBuilder {
	if ( $mergeStrategy && $this->has( $key ) && is_array( $newValue ) ) {
	$oldValue = $this->get( $key );
	if ( $oldValue && is_array( $oldValue ) ) {
	$newValue = $mergeStrategy->merge( $oldValue, $newValue );
	}
	}
	$this->update( $key, $newValue );
	return $this;
	}

	/**
	* @inheritDoc
	*/
	public function setMulti( array $values, array $mergeStrategies = [] ): ConfigBuilder {
	foreach ( $values as $key => $value ) {
	$this->set( $key, $value, $mergeStrategies[$key] ?? null );
	}
	return $this;
	}

	/**
	* @inheritDoc
	*/
	public function setDefault(
	string $key,
	$defaultValue,
	?MergeStrategy $mergeStrategy = null
	): ConfigBuilder {
	if ( $this->has( $key ) ) {
	if ( $mergeStrategy && $defaultValue && is_array( $defaultValue ) ) {
	$customValue = $this->get( $key );
	if ( is_array( $customValue ) ) {
	$newValue = $mergeStrategy->merge( $defaultValue, $customValue );
	$this->update( $key, $newValue );
	}
	}
	} else {
	$this->update( $key, $defaultValue );
	}

	return $this;
	}

	/**
	* @inheritDoc
	*/
	public function setMultiDefault( array $defaults, array $mergeStrategies ): ConfigBuilder {
	foreach ( $defaults as $key => $defaultValue ) {
	$this->setDefault( $key, $defaultValue, $mergeStrategies[$key] ?? null );
	}
	return $this;
	}

	}