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 */
20if ( ! 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 */
29if ( 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 */
47if ( 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 › Error' ) );
105}
106