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1 |
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 | /** @var string */ |
12 | public const DEFAULT_PREFIX = 'wg'; |
13 | |
14 | /** @var string */ |
15 | private $prefix; |
16 | |
17 | /** |
18 | * @param string $prefix |
19 | */ |
20 | public function __construct( string $prefix = self::DEFAULT_PREFIX ) { |
21 | $this->prefix = $prefix; |
22 | } |
23 | |
24 | protected function has( string $key ): bool { |
25 | $var = $this->getVarName( $key ); |
26 | // (T317951) Don't call array_key_exists unless we have to, as it's slow |
27 | // on PHP 8.1+ for $GLOBALS. When the key is set but is explicitly set |
28 | // to null, we still need to fall back to array_key_exists, but that's |
29 | // rarer. |
30 | return isset( $GLOBALS[$var] ) || array_key_exists( $var, $GLOBALS ); |
31 | } |
32 | |
33 | public function get( string $key ) { |
34 | $var = $this->getVarName( $key ); |
35 | return $GLOBALS[ $var ] ?? null; |
36 | } |
37 | |
38 | protected function update( string $key, $value ) { |
39 | $var = $this->getVarName( $key ); |
40 | $GLOBALS[ $var ] = $value; |
41 | } |
42 | |
43 | public function setMulti( array $values, array $mergeStrategies = [] ): ConfigBuilder { |
44 | // NOTE: It is tempting to do $GLOBALS = array_merge( $GLOBALS, $values ). |
45 | // But that no longer works in PHP 8.1! |
46 | // See https://wiki.php.net/rfc/restrict_globals_usage |
47 | |
48 | foreach ( $values as $key => $newValue ) { |
49 | $var = $this->prefix . $key; // inline getVarName() to avoid function call |
50 | |
51 | // Optimization: Inlined logic from set() for performance |
52 | if ( isset( $GLOBALS[$var] ) && array_key_exists( $key, $mergeStrategies ) ) { |
53 | $mergeStrategy = $mergeStrategies[$key]; |
54 | if ( $mergeStrategy && is_array( $newValue ) ) { |
55 | $oldValue = $GLOBALS[$var]; |
56 | if ( $oldValue && is_array( $oldValue ) ) { |
57 | $newValue = $mergeStrategy->merge( $oldValue, $newValue ); |
58 | } |
59 | } |
60 | } |
61 | |
62 | $GLOBALS[$var] = $newValue; |
63 | } |
64 | return $this; |
65 | } |
66 | |
67 | private function getVarName( string $key ): string { |
68 | return $this->prefix . $key; |
69 | } |
70 | |
71 | public function build(): Config { |
72 | return new GlobalVarConfig( $this->prefix ); |
73 | } |
74 | } |