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| 1 | <?php |
| 2 | /** |
| 3 | * Functions that need to be available during bootstrapping. |
| 4 | * Code in this file cannot expect MediaWiki to have been initialized. |
| 5 | * @file |
| 6 | */ |
| 7 | |
| 8 | /** |
| 9 | * Decide and remember where to load LocalSettings from. |
| 10 | * |
| 11 | * This is used by Setup.php and will (if not already) store the result |
| 12 | * in the MW_CONFIG_FILE constant. |
| 13 | * |
| 14 | * The primary settings file is traditionally LocalSettings.php under the %MediaWiki |
| 15 | * installation path, but can also be placed differently and specified via the |
| 16 | * MW_CONFIG_FILE constant (from an entrypoint wrapper) or via a `MW_CONFIG_FILE` |
| 17 | * environment variable (from the web server). |
| 18 | * |
| 19 | * Experimental: The settings file can use the `.yaml` or `.json` extension, which |
| 20 | * must use the format described on |
| 21 | * https://www.mediawiki.org/wiki/Manual:YAML_settings_file_format. |
| 22 | * |
| 23 | * @internal Only for use by Setup.php and Installer. |
| 24 | * @since 1.38 |
| 25 | * @param string|null $installationPath The installation's base path, |
| 26 | * as returned by wfDetectInstallPath(). |
| 27 | * |
| 28 | * @return string The path to the settings file |
| 29 | */ |
| 30 | function wfDetectLocalSettingsFile( ?string $installationPath = null ): string { |
| 31 | if ( defined( 'MW_CONFIG_FILE' ) ) { |
| 32 | return MW_CONFIG_FILE; |
| 33 | } |
| 34 | |
| 35 | $installationPath ??= wfDetectInstallPath(); |
| 36 | |
| 37 | // We could look for LocalSettings.yaml and LocalSettings.json, |
| 38 | // and use them if they exist. But having them in a web accessible |
| 39 | // place is dangerous, so better not to encourage that. |
| 40 | // In order to use LocalSettings.yaml and LocalSettings.json, they |
| 41 | // will have to be referenced explicitly by MW_CONFIG_FILE. |
| 42 | $configFile = getenv( 'MW_CONFIG_FILE' ) ?: "LocalSettings.php"; |
| 43 | // Can't use str_contains because for maintenance scripts (update.php, install.php), |
| 44 | // this is called *before* Setup.php and vendor (polyfill-php80) are included. |
| 45 | if ( !str_contains( $configFile, '/' ) ) { |
| 46 | $configFile = "$installationPath/$configFile"; |
| 47 | } |
| 48 | |
| 49 | define( 'MW_CONFIG_FILE', $configFile ); |
| 50 | return $configFile; |
| 51 | } |
| 52 | |
| 53 | /** |
| 54 | * Decide and remember where mediawiki is installed. |
| 55 | * |
| 56 | * This is used by Setup.php and will (if not already) store the result |
| 57 | * in the MW_INSTALL_PATH constant. |
| 58 | * |
| 59 | * The install path is detected based on the location of this file, |
| 60 | * but can be overwritten using the MW_INSTALL_PATH environment variable. |
| 61 | * |
| 62 | * @internal Only for use by Setup.php and Installer. |
| 63 | * @since 1.39 |
| 64 | * @return string The path to the mediawiki installation |
| 65 | */ |
| 66 | function wfDetectInstallPath(): string { |
| 67 | if ( !defined( 'MW_INSTALL_PATH' ) ) { |
| 68 | $IP = getenv( 'MW_INSTALL_PATH' ); |
| 69 | if ( $IP === false ) { |
| 70 | $IP = dirname( __DIR__ ); |
| 71 | } |
| 72 | define( 'MW_INSTALL_PATH', $IP ); |
| 73 | } |
| 74 | |
| 75 | return MW_INSTALL_PATH; |
| 76 | } |
| 77 | |
| 78 | /** |
| 79 | * Check if the operating system is Windows |
| 80 | * |
| 81 | * @return bool True if it's Windows, false otherwise. |
| 82 | */ |
| 83 | function wfIsWindows() { |
| 84 | return PHP_OS_FAMILY === 'Windows'; |
| 85 | } |
| 86 | |
| 87 | /** |
| 88 | * Check if we are running from the commandline |
| 89 | * |
| 90 | * @since 1.31 |
| 91 | * @return bool |
| 92 | */ |
| 93 | function wfIsCLI() { |
| 94 | return PHP_SAPI === 'cli' || PHP_SAPI === 'phpdbg'; |
| 95 | } |