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| 1 | <?php |
| 2 | |
| 3 | namespace MediaWiki\Settings\Config; |
| 4 | |
| 5 | use MediaWiki\Config\Config; |
| 6 | use MediaWiki\Config\GlobalVarConfig; |
| 7 | use function array_key_exists; |
| 8 | |
| 9 | class GlobalConfigBuilder extends ConfigBuilderBase { |
| 10 | |
| 11 | public const DEFAULT_PREFIX = 'wg'; |
| 12 | |
| 13 | /** @var string */ |
| 14 | private $prefix; |
| 15 | |
| 16 | /** |
| 17 | * @param string $prefix |
| 18 | */ |
| 19 | public function __construct( string $prefix = self::DEFAULT_PREFIX ) { |
| 20 | $this->prefix = $prefix; |
| 21 | } |
| 22 | |
| 23 | protected function has( string $key ): bool { |
| 24 | $var = $this->getVarName( $key ); |
| 25 | // (T317951) Don't call array_key_exists unless we have to, as it's slow |
| 26 | // on PHP 8.1+ for $GLOBALS. When the key is set but is explicitly set |
| 27 | // to null, we still need to fall back to array_key_exists, but that's |
| 28 | // rarer. |
| 29 | return isset( $GLOBALS[$var] ) || array_key_exists( $var, $GLOBALS ); |
| 30 | } |
| 31 | |
| 32 | public function get( string $key ) { |
| 33 | $var = $this->getVarName( $key ); |
| 34 | return $GLOBALS[ $var ] ?? null; |
| 35 | } |
| 36 | |
| 37 | protected function update( string $key, $value ) { |
| 38 | $var = $this->getVarName( $key ); |
| 39 | $GLOBALS[ $var ] = $value; |
| 40 | } |
| 41 | |
| 42 | public function setMulti( array $values, array $mergeStrategies = [] ): ConfigBuilder { |
| 43 | // NOTE: It is tempting to do $GLOBALS = array_merge( $GLOBALS, $values ). |
| 44 | // But that no longer works in PHP 8.1! |
| 45 | // See https://wiki.php.net/rfc/restrict_globals_usage |
| 46 | |
| 47 | foreach ( $values as $key => $newValue ) { |
| 48 | $var = $this->prefix . $key; // inline getVarName() to avoid function call |
| 49 | |
| 50 | // Optimization: Inlined logic from set() for performance |
| 51 | if ( isset( $GLOBALS[$var] ) && array_key_exists( $key, $mergeStrategies ) ) { |
| 52 | $mergeStrategy = $mergeStrategies[$key]; |
| 53 | if ( $mergeStrategy && is_array( $newValue ) ) { |
| 54 | $oldValue = $GLOBALS[$var]; |
| 55 | if ( $oldValue && is_array( $oldValue ) ) { |
| 56 | $newValue = $mergeStrategy->merge( $oldValue, $newValue ); |
| 57 | } |
| 58 | } |
| 59 | } |
| 60 | |
| 61 | $GLOBALS[$var] = $newValue; |
| 62 | } |
| 63 | return $this; |
| 64 | } |
| 65 | |
| 66 | private function getVarName( string $key ): string { |
| 67 | return $this->prefix . $key; |
| 68 | } |
| 69 | |
| 70 | public function build(): Config { |
| 71 | return new GlobalVarConfig( $this->prefix ); |
| 72 | } |
| 73 | } |