benchmarkSettings.php

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<?php
use MediaWiki\MainConfigSchema;
use MediaWiki\Maintenance\Benchmarker;
use MediaWiki\Registration\ExtensionRegistry;
use MediaWiki\Settings\Config\ArrayConfigBuilder;
use MediaWiki\Settings\Config\NullIniSink;
use MediaWiki\Settings\SettingsBuilder;
use MediaWiki\Settings\Source\PhpSettingsSource;
use MediaWiki\Settings\Source\ReflectionSchemaSource;
 
// @codeCoverageIgnoreStart
require_once __DIR__ . '/../includes/Benchmarker.php';
// @codeCoverageIgnoreEnd
 
class BenchmarkSettings extends Benchmarker {
    public function __construct() {
        parent::__construct();
        $this->defaultCount = 100;
        $this->addDescription( 'Benchmark loading settings files.' );
    }
 
    private function newSettingsBuilder(): SettingsBuilder {
        $extReg = new ExtensionRegistry();
        $configBuilder = new ArrayConfigBuilder();
        $phpIniSink = new NullIniSink();
        return new SettingsBuilder( MW_INSTALL_PATH, $extReg, $configBuilder, $phpIniSink, null );
    }
 
    public function execute() {
        $benches = [];
 
        $schemaSource = new ReflectionSchemaSource( MainConfigSchema::class );
        $schema = $schemaSource->load();
        $defaults = [];
 
        foreach ( $schema['config-schema'] as $key => $sch ) {
            if ( array_key_exists( 'default', $sch ) ) {
                $defaults[$key] = $sch['default'];
            }
        }
 
        $benches['config-schema.php'] = [
            'function' => function () {
                $settingsBuilder = $this->newSettingsBuilder();
                $settingsBuilder->load(
                    new PhpSettingsSource( MW_INSTALL_PATH . '/includes/config-schema.php' )
                );
                $settingsBuilder->apply();
            }
        ];
 
        $benches['config-schema.php + merge'] = [
            'function' => function () use ( $defaults ) {
                $settingsBuilder = $this->newSettingsBuilder();
 
                // worst case: all config is set before defaults are applied
                $settingsBuilder->loadArray( [ 'config' => $defaults ] );
                $settingsBuilder->load(
                    new PhpSettingsSource( MW_INSTALL_PATH . '/includes/config-schema.php' )
                );
                $settingsBuilder->apply();
            }
        ];
 
        $benches['MainConfigSchema::class'] = [
            'function' => function () {
                $settingsBuilder = $this->newSettingsBuilder();
                $settingsBuilder->load( new ReflectionSchemaSource( MainConfigSchema::class ) );
                $settingsBuilder->apply();
            }
        ];
 
        $benches['config-schema.php + finalize'] = [
            'function' => function () {
                $settingsBuilder = $this->newSettingsBuilder();
                $settingsBuilder->load(
                    new PhpSettingsSource( MW_INSTALL_PATH . '/includes/config-schema.php' )
                );
                $settingsBuilder->enterRegistrationStage(); // applies some dynamic defaults
 
                // phpcs:ignore MediaWiki.Usage.ForbiddenFunctions.extract
                extract( $GLOBALS );
 
                // phpcs:ignore MediaWiki.VariableAnalysis.MisleadingGlobalNames.Misleading$wgDummyLanguageCodes
                $wgDummyLanguageCodes = [];
                include MW_INSTALL_PATH . '/includes/SetupDynamicConfig.php';
            }
        ];
 
        $this->bench( $benches );
    }
}
 
// @codeCoverageIgnoreStart
$maintClass = BenchmarkSettings::class;
require_once RUN_MAINTENANCE_IF_MAIN;
// @codeCoverageIgnoreEnd