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(ABSPATH . WPINC . '/load.php');
45 require(ABSPATH . WPINC . '/version.php');
47 // Check for the required PHP version and for the MySQL extension or a database drop-in.
48 wp_check_php_mysql_versions();
50 require_once(ABSPATH . WPINC . '/functions.php');
52 // Also loads plugin.php, l10n.php, pomo/mo.php (all required by setup-config.php)
53 wp_load_translations_early();
55 // Turn register_globals off.
56 wp_unregister_GLOBALS();
58 // Standardize $_SERVER variables across setups.
61 require_once(ABSPATH . WPINC . '/compat.php');
62 require_once(ABSPATH . WPINC . '/class-wp-error.php');
63 require_once(ABSPATH . WPINC . '/formatting.php');
65 // Add magic quotes and set up $_REQUEST ( $_GET + $_POST )
68 // Support wp-config-sample.php one level up, for the develop repo.
69 if ( file_exists( ABSPATH . 'wp-config-sample.php' ) )
70 $config_file = file( ABSPATH . 'wp-config-sample.php' );
71 elseif ( file_exists( dirname( ABSPATH ) . '/wp-config-sample.php' ) )
72 $config_file = file( dirname( ABSPATH ) . '/wp-config-sample.php' );
74 wp_die( __( 'Sorry, I need a wp-config-sample.php file to work from. Please re-upload this file from your WordPress installation.' ) );
76 // Check if wp-config.php has been created
77 if ( file_exists( ABSPATH . 'wp-config.php' ) )
78 wp_die( '<p>' . sprintf( __( "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='%s'>installing now</a>." ), 'install.php' ) . '</p>' );
80 // Check if wp-config.php exists above the root directory but is not part of another install
81 if ( file_exists(ABSPATH . '../wp-config.php' ) && ! file_exists( ABSPATH . '../wp-settings.php' ) )
82 wp_die( '<p>' . sprintf( __( "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>."), 'install.php' ) . '</p>' );
84 $step = isset( $_GET['step'] ) ? (int) $_GET['step'] : 0;
87 * Display setup wp-config.php file header.
92 * @subpackage Installer_WP_Config
94 function setup_config_display_header() {
97 header( 'Content-Type: text/html; charset=utf-8' );
100 <html xmlns="http://www.w3.org/1999/xhtml"<?php if ( is_rtl() ) echo ' dir="rtl"'; ?>>
102 <meta name="viewport" content="width=device-width" />
103 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
104 <title><?php _e( 'WordPress › Setup Configuration File' ); ?></title>
105 <link rel="stylesheet" href="css/install.css?ver=<?php echo preg_replace( '/[^0-9a-z\.-]/i', '', $wp_version ); ?>" type="text/css" />
106 <link rel="stylesheet" href="../wp-includes/css/buttons.css?ver=<?php echo preg_replace( '/[^0-9a-z\.-]/i', '', $wp_version ); ?>" type="text/css" />
109 <body class="wp-core-ui<?php if ( is_rtl() ) echo ' rtl'; ?>">
110 <h1 id="logo"><a href="<?php esc_attr_e( 'http://wordpress.org/' ); ?>"><?php _e( 'WordPress' ); ?></a></h1>
112 } // end function setup_config_display_header();
116 setup_config_display_header();
119 <p><?php _e( 'Welcome to WordPress. Before getting started, we need some information on the database. You will need to know the following items before proceeding.' ) ?></p>
121 <li><?php _e( 'Database name' ); ?></li>
122 <li><?php _e( 'Database username' ); ?></li>
123 <li><?php _e( 'Database password' ); ?></li>
124 <li><?php _e( 'Database host' ); ?></li>
125 <li><?php _e( 'Table prefix (if you want to run more than one WordPress in a single database)' ); ?></li>
127 <p><strong><?php _e( "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>
128 <p><?php _e( "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>
130 <p class="step"><a href="setup-config.php?step=1<?php if ( isset( $_GET['noapi'] ) ) echo '&noapi'; ?>" class="button button-large"><?php _e( 'Let’s go!' ); ?></a></p>
135 setup_config_display_header();
137 <form method="post" action="setup-config.php?step=2">
138 <p><?php _e( "Below you should enter your database connection details. If you’re not sure about these, contact your host." ); ?></p>
139 <table class="form-table">
141 <th scope="row"><label for="dbname"><?php _e( 'Database Name' ); ?></label></th>
142 <td><input name="dbname" id="dbname" type="text" size="25" value="wordpress" /></td>
143 <td><?php _e( 'The name of the database you want to run WP in.' ); ?></td>
146 <th scope="row"><label for="uname"><?php _e( 'User Name' ); ?></label></th>
147 <td><input name="uname" id="uname" type="text" size="25" value="<?php echo htmlspecialchars( _x( 'username', 'example username' ), ENT_QUOTES ); ?>" /></td>
148 <td><?php _e( 'Your MySQL username' ); ?></td>
151 <th scope="row"><label for="pwd"><?php _e( 'Password' ); ?></label></th>
152 <td><input name="pwd" id="pwd" type="text" size="25" value="<?php echo htmlspecialchars( _x( 'password', 'example password' ), ENT_QUOTES ); ?>" /></td>
153 <td><?php _e( '…and your MySQL password.' ); ?></td>
156 <th scope="row"><label for="dbhost"><?php _e( 'Database Host' ); ?></label></th>
157 <td><input name="dbhost" id="dbhost" type="text" size="25" value="localhost" /></td>
158 <td><?php _e( 'You should be able to get this info from your web host, if <code>localhost</code> does not work.' ); ?></td>
161 <th scope="row"><label for="prefix"><?php _e( 'Table Prefix' ); ?></label></th>
162 <td><input name="prefix" id="prefix" type="text" value="wp_" size="25" /></td>
163 <td><?php _e( 'If you want to run multiple WordPress installations in a single database, change this.' ); ?></td>
166 <?php if ( isset( $_GET['noapi'] ) ) { ?><input name="noapi" type="hidden" value="1" /><?php } ?>
167 <p class="step"><input name="submit" type="submit" value="<?php echo htmlspecialchars( __( 'Submit' ), ENT_QUOTES ); ?>" class="button button-large" /></p>
173 foreach ( array( 'dbname', 'uname', 'pwd', 'dbhost', 'prefix' ) as $key )
174 $$key = trim( wp_unslash( $_POST[ $key ] ) );
176 $tryagain_link = '</p><p class="step"><a href="setup-config.php?step=1" onclick="javascript:history.go(-1);return false;" class="button button-large">' . __( 'Try again' ) . '</a>';
178 if ( empty( $prefix ) )
179 wp_die( __( '<strong>ERROR</strong>: "Table Prefix" must not be empty.' . $tryagain_link ) );
181 // Validate $prefix: it can only contain letters, numbers and underscores.
182 if ( preg_match( '|[^a-z0-9_]|i', $prefix ) )
183 wp_die( __( '<strong>ERROR</strong>: "Table Prefix" can only contain numbers, letters, and underscores.' . $tryagain_link ) );
185 // Test the db connection.
189 define('DB_NAME', $dbname);
190 define('DB_USER', $uname);
191 define('DB_PASSWORD', $pwd);
192 define('DB_HOST', $dbhost);
195 // We'll fail here if the values are no good.
197 if ( ! empty( $wpdb->error ) )
198 wp_die( $wpdb->error->get_error_message() . $tryagain_link );
200 // Fetch or generate keys and salts.
201 $no_api = isset( $_POST['noapi'] );
203 require_once( ABSPATH . WPINC . '/class-http.php' );
204 require_once( ABSPATH . WPINC . '/http.php' );
208 function get_bloginfo() {
209 return wp_guess_url();
212 $secret_keys = wp_remote_get( 'https://api.wordpress.org/secret-key/1.1/salt/' );
215 if ( $no_api || is_wp_error( $secret_keys ) ) {
216 $secret_keys = array();
217 require_once( ABSPATH . WPINC . '/pluggable.php' );
218 for ( $i = 0; $i < 8; $i++ ) {
219 $secret_keys[] = wp_generate_password( 64, true, true );
222 $secret_keys = explode( "\n", wp_remote_retrieve_body( $secret_keys ) );
223 foreach ( $secret_keys as $k => $v ) {
224 $secret_keys[$k] = substr( $v, 28, 64 );
229 // Not a PHP5-style by-reference foreach, as this file must be parseable by PHP4.
230 foreach ( $config_file as $line_num => $line ) {
231 if ( '$table_prefix =' == substr( $line, 0, 16 ) ) {
232 $config_file[ $line_num ] = '$table_prefix = \'' . addcslashes( $prefix, "\\'" ) . "';\r\n";
236 if ( ! preg_match( '/^define\(\'([A-Z_]+)\',([ ]+)/', $line, $match ) )
239 $constant = $match[1];
240 $padding = $match[2];
242 switch ( $constant ) {
247 $config_file[ $line_num ] = "define('" . $constant . "'," . $padding . "'" . addcslashes( constant( $constant ), "\\'" ) . "');\r\n";
250 case 'SECURE_AUTH_KEY' :
251 case 'LOGGED_IN_KEY' :
254 case 'SECURE_AUTH_SALT' :
255 case 'LOGGED_IN_SALT' :
257 $config_file[ $line_num ] = "define('" . $constant . "'," . $padding . "'" . $secret_keys[$key++] . "');\r\n";
263 if ( ! is_writable(ABSPATH) ) :
264 setup_config_display_header();
266 <p><?php _e( "Sorry, but I can’t write the <code>wp-config.php</code> file." ); ?></p>
267 <p><?php _e( 'You can create the <code>wp-config.php</code> manually and paste the following text into it.' ); ?></p>
268 <textarea id="wp-config" cols="98" rows="15" class="code" readonly="readonly"><?php
269 foreach( $config_file as $line ) {
270 echo htmlentities($line, ENT_COMPAT, 'UTF-8');
273 <p><?php _e( 'After you’ve done that, click “Run the install.”' ); ?></p>
274 <p class="step"><a href="install.php" class="button button-large"><?php _e( 'Run the install' ); ?></a></p>
277 var el=document.getElementById('wp-config');
284 // If this file doesn't exist, then we are using the wp-config-sample.php
285 // file one level up, which is for the develop repo.
286 if ( file_exists( ABSPATH . 'wp-config-sample.php' ) )
287 $path_to_wp_config = ABSPATH . 'wp-config.php';
289 $path_to_wp_config = dirname( ABSPATH ) . '/wp-config.php';
291 $handle = fopen( $path_to_wp_config, 'w' );
292 foreach( $config_file as $line ) {
293 fwrite( $handle, $line );
296 chmod( $path_to_wp_config, 0666 );
297 setup_config_display_header();
299 <p><?php _e( "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>
301 <p class="step"><a href="install.php" class="button button-large"><?php _e( 'Run the install' ); ?></a></p>