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   1  <?php
   2  /**
   3   * Bootstrap file for setting the ABSPATH constant
   4   * and loading the wp-config.php file. The wp-config.php
   5   * file will then load the wp-settings.php file, which
   6   * will then set up the WordPress environment.
   7   *
   8   * If the wp-config.php file is not found then an error
   9   * will be displayed asking the visitor to set up the
  10   * wp-config.php file.
  11   *
  12   * Will also search for wp-config.php in WordPress' parent
  13   * directory to allow the WordPress directory to remain
  14   * untouched.
  15   *
  16   * @package WordPress
  17   */
  18  
  19  /** Define ABSPATH as this file's directory */
  20  if ( ! defined( 'ABSPATH' ) ) {
  21      define( 'ABSPATH', __DIR__ . '/' );
  22  }
  23  
  24  /*
  25   * The error_reporting() function can be disabled in php.ini. On systems where that is the case,
  26   * it's best to add a dummy function to the wp-config.php file, but as this call to the function
  27   * is run prior to wp-config.php loading, it is wrapped in a function_exists() check.
  28   */
  29  if ( function_exists( 'error_reporting' ) ) {
  30      /*
  31       * Initialize error reporting to a known set of levels.
  32       *
  33       * This will be adapted in wp_debug_mode() located in wp-includes/load.php based on WP_DEBUG.
  34       * @see https://www.php.net/manual/en/errorfunc.constants.php List of known error levels.
  35       */
  36      error_reporting( E_CORE_ERROR | E_CORE_WARNING | E_COMPILE_ERROR | E_ERROR | E_WARNING | E_PARSE | E_USER_ERROR | E_USER_WARNING | E_RECOVERABLE_ERROR );
  37  }
  38  
  39  /*
  40   * If wp-config.php exists in the WordPress root, or if it exists in the root and wp-settings.php
  41   * doesn't, load wp-config.php. The secondary check for wp-settings.php has the added benefit
  42   * of avoiding cases where the current directory is a nested installation, e.g. / is WordPress(a)
  43   * and /blog/ is WordPress(b).
  44   *
  45   * If neither set of conditions is true, initiate loading the setup process.
  46   */
  47  if ( file_exists( ABSPATH . 'wp-config.php' ) ) {
  48  
  49      /** The config file resides in ABSPATH */
  50      require_once ABSPATH . 'wp-config.php';
  51  
  52  } elseif ( @file_exists( dirname( ABSPATH ) . '/wp-config.php' ) && ! @file_exists( dirname( ABSPATH ) . '/wp-settings.php' ) ) {
  53  
  54      /** The config file resides one level above ABSPATH but is not part of another installation */
  55      require_once dirname( ABSPATH ) . '/wp-config.php';
  56  
  57  } else {
  58  
  59      // A config file doesn't exist.
  60  
  61      define( 'WPINC', 'wp-includes' );
  62      require_once  ABSPATH . WPINC . '/version.php';
  63      require_once ABSPATH . WPINC . '/compat.php';
  64      require_once ABSPATH . WPINC . '/load.php';
  65  
  66      // Check for the required PHP version and for the MySQL extension or a database drop-in.
  67      wp_check_php_mysql_versions();
  68  
  69      // Standardize $_SERVER variables across setups.
  70      wp_fix_server_vars();
  71  
  72      define( 'WP_CONTENT_DIR', ABSPATH . 'wp-content' );
  73      require_once  ABSPATH . WPINC . '/functions.php';
  74  
  75      $path = wp_guess_url() . '/wp-admin/setup-config.php';
  76  
  77      // Redirect to setup-config.php.
  78      if ( ! str_contains( $_SERVER['REQUEST_URI'], 'setup-config' ) ) {
  79          header( 'Location: ' . $path );
  80          exit;
  81      }
  82  
  83      wp_load_translations_early();
  84  
  85      // Die with an error message.
  86      $die = '<p>' . sprintf(
  87          /* translators: %s: wp-config.php */
  88          __( "There doesn't seem to be a %s file. It is needed before the installation can continue." ),
  89          '<code>wp-config.php</code>'
  90      ) . '</p>';
  91      $die .= '<p>' . sprintf(
  92          /* translators: 1: Documentation URL, 2: wp-config.php */
  93          __( 'Need more help? <a href="%1$s">Read the support article on %2$s</a>.' ),
  94          __( 'https://developer.wordpress.org/advanced-administration/wordpress/wp-config/' ),
  95          '<code>wp-config.php</code>'
  96      ) . '</p>';
  97      $die .= '<p>' . sprintf(
  98          /* translators: %s: wp-config.php */
  99          __( "You can create a %s file through a web interface, but this doesn't work for all server setups. The safest way is to manually create the file." ),
 100          '<code>wp-config.php</code>'
 101      ) . '</p>';
 102      $die .= '<p><a href="' . $path . '" class="button button-large">' . __( 'Create a Configuration File' ) . '</a></p>';
 103  
 104      wp_die( $die, __( 'WordPress &rsaquo; Error' ) );
 105  }