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
17 define('WP_INSTALLING', true);
20 * We are blissfully unaware of anything.
22 define('WP_SETUP_CONFIG', true);
25 * Disable error reporting
27 * Set this to error_reporting( -1 ) for debugging
31 define( 'ABSPATH', dirname( dirname( __FILE__ ) ) . '/' );
33 require( ABSPATH . 'wp-settings.php' );
35 /** Load WordPress Administration Upgrade API */
36 require_once( ABSPATH . 'wp-admin/includes/upgrade.php' );
38 /** Load WordPress Translation Install API */
39 require_once( ABSPATH . 'wp-admin/includes/translation-install.php' );
43 // Support wp-config-sample.php one level up, for the develop repo.
44 if ( file_exists( ABSPATH . 'wp-config-sample.php' ) )
45 $config_file = file( ABSPATH . 'wp-config-sample.php' );
46 elseif ( file_exists( dirname( ABSPATH ) . '/wp-config-sample.php' ) )
47 $config_file = file( dirname( ABSPATH ) . '/wp-config-sample.php' );
49 wp_die( __( 'Sorry, I need a wp-config-sample.php file to work from. Please re-upload this file to your WordPress installation.' ) );
51 // Check if wp-config.php has been created
52 if ( file_exists( ABSPATH . 'wp-config.php' ) )
53 wp_die( '<p>' . sprintf(
54 /* translators: %s: install.php */
55 __( "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>." ),
60 // Check if wp-config.php exists above the root directory but is not part of another install
61 if ( @file_exists( ABSPATH . '../wp-config.php' ) && ! @file_exists( ABSPATH . '../wp-settings.php' ) ) {
62 wp_die( '<p>' . sprintf(
63 /* translators: %s: install.php */
64 __( "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='%s'>installing now</a>." ),
70 $step = isset( $_GET['step'] ) ? (int) $_GET['step'] : -1;
73 * Display setup wp-config.php file header.
78 * @global string $wp_local_package
79 * @global WP_Locale $wp_locale
81 * @param string|array $body_classes
83 function setup_config_display_header( $body_classes = array() ) {
84 $body_classes = (array) $body_classes;
85 $body_classes[] = 'wp-core-ui';
87 $body_classes[] = 'rtl';
90 header( 'Content-Type: text/html; charset=utf-8' );
93 <html xmlns="http://www.w3.org/1999/xhtml"<?php if ( is_rtl() ) echo ' dir="rtl"'; ?>>
95 <meta name="viewport" content="width=device-width" />
96 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
97 <meta name="robots" content="noindex,nofollow" />
98 <title><?php _e( 'WordPress › Setup Configuration File' ); ?></title>
99 <?php wp_admin_css( 'install', true ); ?>
101 <body class="<?php echo implode( ' ', $body_classes ); ?>">
102 <p id="logo"><a href="<?php esc_attr_e( 'https://wordpress.org/' ); ?>" tabindex="-1"><?php _e( 'WordPress' ); ?></a></p>
104 } // end function setup_config_display_header();
107 if ( ! empty( $_REQUEST['language'] ) ) {
108 $language = preg_replace( '/[^a-zA-Z_]/', '', $_REQUEST['language'] );
109 } elseif ( isset( $GLOBALS['wp_local_package'] ) ) {
110 $language = $GLOBALS['wp_local_package'];
115 if ( wp_can_install_language_pack() && empty( $language ) && ( $languages = wp_get_available_translations() ) ) {
116 setup_config_display_header( 'language-chooser' );
117 echo '<h1 class="screen-reader-text">Select a default language</h1>';
118 echo '<form id="setup" method="post" action="?step=0">';
119 wp_install_language_form( $languages );
124 // Deliberately fall through if we can't reach the translations API.
127 if ( ! empty( $language ) ) {
128 $loaded_language = wp_download_language_pack( $language );
129 if ( $loaded_language ) {
130 load_default_textdomain( $loaded_language );
131 $GLOBALS['wp_locale'] = new WP_Locale();
135 setup_config_display_header();
136 $step_1 = 'setup-config.php?step=1';
137 if ( isset( $_REQUEST['noapi'] ) ) {
138 $step_1 .= '&noapi';
140 if ( ! empty( $loaded_language ) ) {
141 $step_1 .= '&language=' . $loaded_language;
144 <h1 class="screen-reader-text"><?php _e( 'Before getting started' ) ?></h1>
145 <p><?php _e( 'Welcome to WordPress. Before getting started, we need some information on the database. You will need to know the following items before proceeding.' ) ?></p>
147 <li><?php _e( 'Database name' ); ?></li>
148 <li><?php _e( 'Database username' ); ?></li>
149 <li><?php _e( 'Database password' ); ?></li>
150 <li><?php _e( 'Database host' ); ?></li>
151 <li><?php _e( 'Table prefix (if you want to run more than one WordPress in a single database)' ); ?></li>
154 /* translators: %s: wp-config.php */
155 printf( __( 'We’re going to use this information to create a %s file.' ),
156 '<code>wp-config.php</code>'
160 /* translators: 1: wp-config-sample.php, 2: wp-config.php */
161 printf( __( 'If for any reason this automatic file creation doesn’t work, don’t worry. All this does is fill in the database information to a configuration file. You may also simply open %1$s in a text editor, fill in your information, and save it as %2$s.' ),
162 '<code>wp-config-sample.php</code>',
163 '<code>wp-config.php</code>'
167 /* translators: %s: Codex URL */
168 printf( __( 'Need more help? <a href="%s">We got it</a>.' ),
169 __( 'https://codex.wordpress.org/Editing_wp-config.php' )
172 <p><?php _e( 'In all likelihood, these items were supplied to you by your Web Host. If you don’t have this information, then you will need to contact them before you can continue. If you’re all ready…' ); ?></p>
174 <p class="step"><a href="<?php echo $step_1; ?>" class="button button-large"><?php _e( 'Let’s go!' ); ?></a></p>
179 load_default_textdomain( $language );
180 $GLOBALS['wp_locale'] = new WP_Locale();
182 setup_config_display_header();
184 <h1 class="screen-reader-text"><?php _e( 'Setup your database connection' ) ?></h1>
185 <form method="post" action="setup-config.php?step=2">
186 <p><?php _e( 'Below you should enter your database connection details. If you’re not sure about these, contact your host.' ); ?></p>
187 <table class="form-table">
189 <th scope="row"><label for="dbname"><?php _e( 'Database Name' ); ?></label></th>
190 <td><input name="dbname" id="dbname" type="text" size="25" value="wordpress" /></td>
191 <td><?php _e( 'The name of the database you want to run WP in.' ); ?></td>
194 <th scope="row"><label for="uname"><?php _e( 'User Name' ); ?></label></th>
195 <td><input name="uname" id="uname" type="text" size="25" value="<?php echo htmlspecialchars( _x( 'username', 'example username' ), ENT_QUOTES ); ?>" /></td>
196 <td><?php _e( 'Your MySQL username' ); ?></td>
199 <th scope="row"><label for="pwd"><?php _e( 'Password' ); ?></label></th>
200 <td><input name="pwd" id="pwd" type="text" size="25" value="<?php echo htmlspecialchars( _x( 'password', 'example password' ), ENT_QUOTES ); ?>" autocomplete="off" /></td>
201 <td><?php _e( '…and your MySQL password.' ); ?></td>
204 <th scope="row"><label for="dbhost"><?php _e( 'Database Host' ); ?></label></th>
205 <td><input name="dbhost" id="dbhost" type="text" size="25" value="localhost" /></td>
207 /* translators: %s: localhost */
208 printf( __( 'You should be able to get this info from your web host, if %s doesn’t work.' ),'<code>localhost</code>' );
212 <th scope="row"><label for="prefix"><?php _e( 'Table Prefix' ); ?></label></th>
213 <td><input name="prefix" id="prefix" type="text" value="wp_" size="25" /></td>
214 <td><?php _e( 'If you want to run multiple WordPress installations in a single database, change this.' ); ?></td>
217 <?php if ( isset( $_GET['noapi'] ) ) { ?><input name="noapi" type="hidden" value="1" /><?php } ?>
218 <input type="hidden" name="language" value="<?php echo esc_attr( $language ); ?>" />
219 <p class="step"><input name="submit" type="submit" value="<?php echo htmlspecialchars( __( 'Submit' ), ENT_QUOTES ); ?>" class="button button-large" /></p>
225 load_default_textdomain( $language );
226 $GLOBALS['wp_locale'] = new WP_Locale();
228 $dbname = trim( wp_unslash( $_POST[ 'dbname' ] ) );
229 $uname = trim( wp_unslash( $_POST[ 'uname' ] ) );
230 $pwd = trim( wp_unslash( $_POST[ 'pwd' ] ) );
231 $dbhost = trim( wp_unslash( $_POST[ 'dbhost' ] ) );
232 $prefix = trim( wp_unslash( $_POST[ 'prefix' ] ) );
234 $step_1 = 'setup-config.php?step=1';
235 $install = 'install.php';
236 if ( isset( $_REQUEST['noapi'] ) ) {
237 $step_1 .= '&noapi';
240 if ( ! empty( $language ) ) {
241 $step_1 .= '&language=' . $language;
242 $install .= '?language=' . $language;
244 $install .= '?language=en_US';
247 $tryagain_link = '</p><p class="step"><a href="' . $step_1 . '" onclick="javascript:history.go(-1);return false;" class="button button-large">' . __( 'Try again' ) . '</a>';
249 if ( empty( $prefix ) )
250 wp_die( __( '<strong>ERROR</strong>: "Table Prefix" must not be empty.' . $tryagain_link ) );
252 // Validate $prefix: it can only contain letters, numbers and underscores.
253 if ( preg_match( '|[^a-z0-9_]|i', $prefix ) )
254 wp_die( __( '<strong>ERROR</strong>: "Table Prefix" can only contain numbers, letters, and underscores.' . $tryagain_link ) );
256 // Test the db connection.
260 define('DB_NAME', $dbname);
261 define('DB_USER', $uname);
262 define('DB_PASSWORD', $pwd);
263 define('DB_HOST', $dbhost);
266 // Re-construct $wpdb with these new values.
271 * The wpdb constructor bails when WP_SETUP_CONFIG is set, so we must
272 * fire this manually. We'll fail here if the values are no good.
276 if ( ! empty( $wpdb->error ) )
277 wp_die( $wpdb->error->get_error_message() . $tryagain_link );
279 // Fetch or generate keys and salts.
280 $no_api = isset( $_POST['noapi'] );
282 $secret_keys = wp_remote_get( 'https://api.wordpress.org/secret-key/1.1/salt/' );
285 if ( $no_api || is_wp_error( $secret_keys ) ) {
286 $secret_keys = array();
287 for ( $i = 0; $i < 8; $i++ ) {
288 $secret_keys[] = wp_generate_password( 64, true, true );
291 $secret_keys = explode( "\n", wp_remote_retrieve_body( $secret_keys ) );
292 foreach ( $secret_keys as $k => $v ) {
293 $secret_keys[$k] = substr( $v, 28, 64 );
298 // Not a PHP5-style by-reference foreach, as this file must be parseable by PHP4.
299 foreach ( $config_file as $line_num => $line ) {
300 if ( '$table_prefix =' == substr( $line, 0, 16 ) ) {
301 $config_file[ $line_num ] = '$table_prefix = \'' . addcslashes( $prefix, "\\'" ) . "';\r\n";
305 if ( ! preg_match( '/^define\(\'([A-Z_]+)\',([ ]+)/', $line, $match ) )
308 $constant = $match[1];
309 $padding = $match[2];
311 switch ( $constant ) {
316 $config_file[ $line_num ] = "define('" . $constant . "'," . $padding . "'" . addcslashes( constant( $constant ), "\\'" ) . "');\r\n";
319 if ( 'utf8mb4' === $wpdb->charset || ( ! $wpdb->charset && $wpdb->has_cap( 'utf8mb4' ) ) ) {
320 $config_file[ $line_num ] = "define('" . $constant . "'," . $padding . "'utf8mb4');\r\n";
324 case 'SECURE_AUTH_KEY' :
325 case 'LOGGED_IN_KEY' :
328 case 'SECURE_AUTH_SALT' :
329 case 'LOGGED_IN_SALT' :
331 $config_file[ $line_num ] = "define('" . $constant . "'," . $padding . "'" . $secret_keys[$key++] . "');\r\n";
337 if ( ! is_writable(ABSPATH) ) :
338 setup_config_display_header();
341 /* translators: %s: wp-config.php */
342 printf( __( 'Sorry, but I can’t write the %s file.' ), '<code>wp-config.php</code>' );
345 /* translators: %s: wp-config.php */
346 printf( __( 'You can create the %s manually and paste the following text into it.' ), '<code>wp-config.php</code>' );
348 <textarea id="wp-config" cols="98" rows="15" class="code" readonly="readonly"><?php
349 foreach ( $config_file as $line ) {
350 echo htmlentities($line, ENT_COMPAT, 'UTF-8');
353 <p><?php _e( 'After you’ve done that, click “Run the install.”' ); ?></p>
354 <p class="step"><a href="<?php echo $install; ?>" class="button button-large"><?php _e( 'Run the install' ); ?></a></p>
357 if ( ! /iPad|iPod|iPhone/.test( navigator.userAgent ) ) {
358 var el = document.getElementById('wp-config');
367 * If this file doesn't exist, then we are using the wp-config-sample.php
368 * file one level up, which is for the develop repo.
370 if ( file_exists( ABSPATH . 'wp-config-sample.php' ) )
371 $path_to_wp_config = ABSPATH . 'wp-config.php';
373 $path_to_wp_config = dirname( ABSPATH ) . '/wp-config.php';
375 $handle = fopen( $path_to_wp_config, 'w' );
376 foreach ( $config_file as $line ) {
377 fwrite( $handle, $line );
380 chmod( $path_to_wp_config, 0666 );
381 setup_config_display_header();
383 <h1 class="screen-reader-text"><?php _e( 'Successful database connection' ) ?></h1>
384 <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>
386 <p class="step"><a href="<?php echo $install; ?>" class="button button-large"><?php _e( 'Run the install' ); ?></a></p>
392 <?php wp_print_scripts( 'language-chooser' ); ?>