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 http://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 . '/load.php';
63
64	// Standardize $_SERVER variables across setups.
65	wp_fix_server_vars();
66
67	require_once ABSPATH . WPINC . '/functions.php';
68
69	$path = wp_guess_url() . '/wp-admin/setup-config.php';
70
71	/*
72	 * We're going to redirect to setup-config.php. While this shouldn't result
73	 * in an infinite loop, that's a silly thing to assume, don't you think? If
74	 * we're traveling in circles, our last-ditch effort is "Need more help?"
75	 */
76	if ( false === strpos( $_SERVER['REQUEST_URI'], 'setup-config' ) ) {
77		header( 'Location: ' . $path );
78		exit;
79	}
80
81	define( 'WP_CONTENT_DIR', ABSPATH . 'wp-content' );
82	require_once ABSPATH . WPINC . '/version.php';
83
84	wp_check_php_mysql_versions();
85	wp_load_translations_early();
86
87	// Die with an error message.
88	$die = '<p>' . sprintf(
89		/* translators: %s: wp-config.php */
90		__( "There doesn't seem to be a %s file. I need this before we can get started." ),
91		'<code>wp-config.php</code>'
92	) . '</p>';
93	$die .= '<p>' . sprintf(
94		/* translators: %s: Documentation URL. */
95		__( "Need more help? <a href='%s'>We got it</a>." ),
96		__( 'https://wordpress.org/support/article/editing-wp-config-php/' )
97	) . '</p>';
98	$die .= '<p>' . sprintf(
99		/* translators: %s: wp-config.php */
100		__( "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." ),
101		'<code>wp-config.php</code>'
102	) . '</p>';
103	$die .= '<p><a href="' . $path . '" class="button button-large">' . __( 'Create a Configuration File' ) . '</a></p>';
104
105	wp_die( $die, __( 'WordPress &rsaquo; Error' ) );
106}
107