3 * Retrieves and creates the wp-config.php file.
5 * The permissions for the base directory must allow for writing files in order
6 * for the wp-config.php to be created using this page.
8 * @internal This file must be parsable by PHP4.
11 * @subpackage Administration
19 define('WP_INSTALLING', true);
22 * We are blissfully unaware of anything.
24 define('WP_SETUP_CONFIG', true);
27 * Disable error reporting
29 * Set this to error_reporting( E_ALL ) or error_reporting( E_ALL | E_STRICT ) for debugging
34 * These three defines are required to allow us to use require_wp_db() to load
35 * the database class while being wp-content/db.php aware.
38 define('ABSPATH', dirname(dirname(__FILE__)).'/');
39 define('WPINC', 'wp-includes');
40 define('WP_CONTENT_DIR', ABSPATH . 'wp-content');
41 define('WP_DEBUG', false);
44 require_once(ABSPATH . WPINC . '/load.php');
45 require_once(ABSPATH . WPINC . '/version.php');
46 wp_check_php_mysql_versions();
47 wp_unregister_GLOBALS();
49 require_once(ABSPATH . WPINC . '/compat.php');
50 require_once(ABSPATH . WPINC . '/functions.php');
51 require_once(ABSPATH . WPINC . '/class-wp-error.php');
52 require_once(ABSPATH . WPINC . '/formatting.php');
55 if (!file_exists(ABSPATH . 'wp-config-sample.php'))
56 wp_die('Sorry, I need a wp-config-sample.php file to work from. Please re-upload this file from your WordPress installation.');
58 $configFile = file(ABSPATH . 'wp-config-sample.php');
60 // Check if wp-config.php has been created
61 if (file_exists(ABSPATH . 'wp-config.php'))
62 wp_die("<p>The file 'wp-config.php' already exists. If you need to reset any of the configuration items in this file, please delete it first. You may try <a href='install.php'>installing now</a>.</p>");
64 // Check if wp-config.php exists above the root directory but is not part of another install
65 if (file_exists(ABSPATH . '../wp-config.php') && ! file_exists(ABSPATH . '../wp-settings.php'))
66 wp_die("<p>The file 'wp-config.php' already exists one level above your WordPress installation. If you need to reset any of the configuration items in this file, please delete it first. You may try <a href='install.php'>installing now</a>.</p>");
68 if (isset($_GET['step']))
69 $step = $_GET['step'];
74 * Display setup wp-config.php file header.
79 * @subpackage Installer_WP_Config
81 function display_header() {
82 header( 'Content-Type: text/html; charset=utf-8' );
85 <html xmlns="http://www.w3.org/1999/xhtml">
87 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
88 <title>WordPress › Setup Configuration File</title>
89 <link rel="stylesheet" href="css/install.css" type="text/css" />
93 <h1 id="logo"><img alt="WordPress" src="images/wordpress-logo.png" /></h1>
95 }//end function display_header();
102 <p>Welcome to WordPress. Before getting started, we need some information on the database. You will need to know the following items before proceeding.</p>
104 <li>Database name</li>
105 <li>Database username</li>
106 <li>Database password</li>
107 <li>Database host</li>
108 <li>Table prefix (if you want to run more than one WordPress in a single database) </li>
110 <p><strong>If for any reason this automatic file creation doesn't work, don't worry. All this does is fill in the database information to a configuration file. You may also simply open <code>wp-config-sample.php</code> in a text editor, fill in your information, and save it as <code>wp-config.php</code>. </strong></p>
111 <p>In all likelihood, these items were supplied to you by your Web Host. If you do not have this information, then you will need to contact them before you can continue. If you’re all ready…</p>
113 <p class="step"><a href="setup-config.php?step=1<?php if ( isset( $_GET['noapi'] ) ) echo '&noapi'; ?>" class="button">Let’s go!</a></p>
120 <form method="post" action="setup-config.php?step=2">
121 <p>Below you should enter your database connection details. If you're not sure about these, contact your host. </p>
122 <table class="form-table">
124 <th scope="row"><label for="dbname">Database Name</label></th>
125 <td><input name="dbname" id="dbname" type="text" size="25" value="wordpress" /></td>
126 <td>The name of the database you want to run WP in. </td>
129 <th scope="row"><label for="uname">User Name</label></th>
130 <td><input name="uname" id="uname" type="text" size="25" value="username" /></td>
131 <td>Your MySQL username</td>
134 <th scope="row"><label for="pwd">Password</label></th>
135 <td><input name="pwd" id="pwd" type="text" size="25" value="password" /></td>
136 <td>...and your MySQL password.</td>
139 <th scope="row"><label for="dbhost">Database Host</label></th>
140 <td><input name="dbhost" id="dbhost" type="text" size="25" value="localhost" /></td>
141 <td>You should be able to get this info from your web host, if <code>localhost</code> does not work.</td>
144 <th scope="row"><label for="prefix">Table Prefix</label></th>
145 <td><input name="prefix" id="prefix" type="text" value="wp_" size="25" /></td>
146 <td>If you want to run multiple WordPress installations in a single database, change this.</td>
149 <?php if ( isset( $_GET['noapi'] ) ) { ?><input name="noapi" type="hidden" value="true" /><?php } ?>
150 <p class="step"><input name="submit" type="submit" value="Submit" class="button" /></p>
156 $dbname = trim($_POST['dbname']);
157 $uname = trim($_POST['uname']);
158 $passwrd = trim($_POST['pwd']);
159 $dbhost = trim($_POST['dbhost']);
160 $prefix = trim($_POST['prefix']);
161 if ( empty($prefix) )
164 // Validate $prefix: it can only contain letters, numbers and underscores
165 if ( preg_match( '|[^a-z0-9_]|i', $prefix ) )
166 wp_die( /*WP_I18N_BAD_PREFIX*/'<strong>ERROR</strong>: "Table Prefix" can only contain numbers, letters, and underscores.'/*/WP_I18N_BAD_PREFIX*/ );
168 // Test the db connection.
172 define('DB_NAME', $dbname);
173 define('DB_USER', $uname);
174 define('DB_PASSWORD', $passwrd);
175 define('DB_HOST', $dbhost);
178 // We'll fail here if the values are no good.
180 if ( ! empty( $wpdb->error ) ) {
181 $back = '<p class="step"><a href="setup-config.php?step=1" onclick="javascript:history.go(-1);return false;" class="button">Try Again</a></p>';
182 wp_die( $wpdb->error->get_error_message() . $back );
185 // Fetch or generate keys and salts.
186 $no_api = isset( $_POST['noapi'] );
187 require_once( ABSPATH . WPINC . '/plugin.php' );
188 require_once( ABSPATH . WPINC . '/l10n.php' );
189 require_once( ABSPATH . WPINC . '/pomo/translations.php' );
191 require_once( ABSPATH . WPINC . '/class-http.php' );
192 require_once( ABSPATH . WPINC . '/http.php' );
193 wp_fix_server_vars();
197 function get_bloginfo() {
198 return ( ( is_ssl() ? 'https://' : 'http://' ) . $_SERVER['HTTP_HOST'] . str_replace( $_SERVER['PHP_SELF'], '/wp-admin/setup-config.php', '' ) );
201 $secret_keys = wp_remote_get( 'https://api.wordpress.org/secret-key/1.1/salt/' );
204 if ( $no_api || is_wp_error( $secret_keys ) ) {
205 $secret_keys = array();
206 require_once( ABSPATH . WPINC . '/pluggable.php' );
207 for ( $i = 0; $i < 8; $i++ ) {
208 $secret_keys[] = wp_generate_password( 64, true, true );
211 $secret_keys = explode( "\n", wp_remote_retrieve_body( $secret_keys ) );
212 foreach ( $secret_keys as $k => $v ) {
213 $secret_keys[$k] = substr( $v, 28, 64 );
218 foreach ($configFile as $line_num => $line) {
219 switch (substr($line,0,16)) {
220 case "define('DB_NAME'":
221 $configFile[$line_num] = str_replace("database_name_here", $dbname, $line);
223 case "define('DB_USER'":
224 $configFile[$line_num] = str_replace("'username_here'", "'$uname'", $line);
226 case "define('DB_PASSW":
227 $configFile[$line_num] = str_replace("'password_here'", "'$passwrd'", $line);
229 case "define('DB_HOST'":
230 $configFile[$line_num] = str_replace("localhost", $dbhost, $line);
232 case '$table_prefix =':
233 $configFile[$line_num] = str_replace('wp_', $prefix, $line);
235 case "define('AUTH_KEY":
236 case "define('SECURE_A":
237 case "define('LOGGED_I":
238 case "define('NONCE_KE":
239 case "define('AUTH_SAL":
240 case "define('SECURE_A":
241 case "define('LOGGED_I":
242 case "define('NONCE_SA":
243 $configFile[$line_num] = str_replace('put your unique phrase here', $secret_keys[$key++], $line );
247 if ( ! is_writable(ABSPATH) ) :
250 <p>Sorry, but I can't write the <code>wp-config.php</code> file.</p>
251 <p>You can create the <code>wp-config.php</code> manually and paste the following text into it.</p>
252 <textarea cols="98" rows="15" class="code"><?php
253 foreach( $configFile as $line ) {
254 echo htmlentities($line, ENT_COMPAT, 'UTF-8');
257 <p>After you've done that, click "Run the install."</p>
258 <p class="step"><a href="install.php" class="button">Run the install</a></p>
261 $handle = fopen(ABSPATH . 'wp-config.php', 'w');
262 foreach( $configFile as $line ) {
263 fwrite($handle, $line);
266 chmod(ABSPATH . 'wp-config.php', 0666);
269 <p>All right sparky! You've made it through this part of the installation. WordPress can now communicate with your database. If you are ready, time now to…</p>
271 <p class="step"><a href="install.php" class="button">Run the install</a></p>