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* @subpackage Administration
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<html xmlns="http://www.w3.org/1999/xhtml">
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
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<title>Error: PHP is not running</title>
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<body class="wp-core-ui">
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<h1 id="logo"><a href="https://wordpress.org/">WordPress</a></h1>
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<h2>Error: PHP is not running</h2>
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<p>WordPress requires that your web server is running PHP. Your server does not have PHP installed, or PHP is turned off.</p>
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* We are installing WordPress.
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define( 'WP_INSTALLING', true );
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/** Load WordPress Bootstrap */
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require_once( dirname( dirname( __FILE__ ) ) . '/wp-load.php' );
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/** Load WordPress Administration Upgrade API */
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require_once( ABSPATH . 'wp-admin/includes/upgrade.php' );
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/** Load WordPress Translation Install API */
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require_once( ABSPATH . 'wp-admin/includes/translation-install.php' );
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require_once( ABSPATH . WPINC . '/wp-db.php' );
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$step = isset( $_GET['step'] ) ? (int) $_GET['step'] : 0;
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* Display install header.
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function display_header( $body_classes = '' ) {
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header( 'Content-Type: text/html; charset=utf-8' );
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$body_classes .= 'rtl';
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if ( $body_classes ) {
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$body_classes = ' ' . $body_classes;
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<html xmlns="http://www.w3.org/1999/xhtml" <?php language_attributes(); ?>>
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<meta name="viewport" content="width=device-width" />
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
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<title><?php _e( 'WordPress › Installation' ); ?></title>
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wp_admin_css( 'install', true );
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<body class="wp-core-ui<?php echo $body_classes ?>">
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<h1 id="logo"><a href="<?php echo esc_url( __( 'https://wordpress.org/' ) ); ?>" tabindex="-1"><?php _e( 'WordPress' ); ?></a></h1>
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} // end display_header()
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* Display installer setup form.
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function display_setup_form( $error = null ) {
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$sql = $wpdb->prepare( "SHOW TABLES LIKE %s", $wpdb->esc_like( $wpdb->users ) );
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$user_table = ( $wpdb->get_var( $sql ) != null );
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// Ensure that Blogs appear in search engines by default.
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if ( isset( $_POST['weblog_title'] ) ) {
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$blog_public = isset( $_POST['blog_public'] );
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$weblog_title = isset( $_POST['weblog_title'] ) ? trim( wp_unslash( $_POST['weblog_title'] ) ) : '';
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$user_name = isset($_POST['user_name']) ? trim( wp_unslash( $_POST['user_name'] ) ) : '';
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$admin_email = isset( $_POST['admin_email'] ) ? trim( wp_unslash( $_POST['admin_email'] ) ) : '';
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if ( ! is_null( $error ) ) {
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<p class="message"><?php echo $error; ?></p>
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<form id="setup" method="post" action="install.php?step=2" novalidate="novalidate">
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<table class="form-table">
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<th scope="row"><label for="weblog_title"><?php _e( 'Site Title' ); ?></label></th>
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<td><input name="weblog_title" type="text" id="weblog_title" size="25" value="<?php echo esc_attr( $weblog_title ); ?>" /></td>
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<th scope="row"><label for="user_login"><?php _e('Username'); ?></label></th>
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_e('User(s) already exists.');
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echo '<input name="user_name" type="hidden" value="admin" />';
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?><input name="user_name" type="text" id="user_login" size="25" value="<?php echo esc_attr( sanitize_user( $user_name, true ) ); ?>" />
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<p><?php _e( 'Usernames can have only alphanumeric characters, spaces, underscores, hyphens, periods and the @ symbol.' ); ?></p>
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<?php if ( ! $user_table ) : ?>
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<label for="pass1"><?php _e('Password, twice'); ?></label>
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<p><?php _e('A password will be automatically generated for you if you leave this blank.'); ?></p>
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<input name="admin_password" type="password" id="pass1" size="25" value="" />
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<p><input name="admin_password2" type="password" id="pass2" size="25" value="" /></p>
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<div id="pass-strength-result"><?php _e('Strength indicator'); ?></div>
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<p><?php _e('Hint: The password should be at least seven characters long. To make it stronger, use upper and lower case letters, numbers, and symbols like ! " ? $ % ^ & ).'); ?></p>
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<th scope="row"><label for="admin_email"><?php _e( 'Your E-mail' ); ?></label></th>
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<td><input name="admin_email" type="email" id="admin_email" size="25" value="<?php echo esc_attr( $admin_email ); ?>" />
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<p><?php _e( 'Double-check your email address before continuing.' ); ?></p></td>
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<th scope="row"><label for="blog_public"><?php _e( 'Privacy' ); ?></label></th>
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<td colspan="2"><label><input type="checkbox" name="blog_public" id="blog_public" value="1" <?php checked( $blog_public ); ?> /> <?php _e( 'Allow search engines to index this site.' ); ?></label></td>
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<p class="step"><input type="submit" name="Submit" value="<?php esc_attr_e( 'Install WordPress' ); ?>" class="button button-large" /></p>
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<input type="hidden" name="language" value="<?php echo isset( $_REQUEST['language'] ) ? esc_attr( $_REQUEST['language'] ) : ''; ?>" />
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} // end display_setup_form()
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// Let's check to make sure WP isn't already installed.
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if ( is_blog_installed() ) {
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die( '<h1>' . __( 'Already Installed' ) . '</h1><p>' . __( 'You appear to have already installed WordPress. To reinstall please clear your old database tables first.' ) . '</p><p class="step"><a href="../wp-login.php" class="button button-large">' . __( 'Log In' ) . '</a></p></body></html>' );
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$php_version = phpversion();
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$mysql_version = $wpdb->db_version();
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$php_compat = version_compare( $php_version, $required_php_version, '>=' );
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$mysql_compat = version_compare( $mysql_version, $required_mysql_version, '>=' ) || file_exists( WP_CONTENT_DIR . '/db.php' );
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if ( !$mysql_compat && !$php_compat )
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$compat = sprintf( __( 'You cannot install because <a href="http://codex.wordpress.org/Version_%1$s">WordPress %1$s</a> requires PHP version %2$s or higher and MySQL version %3$s or higher. You are running PHP version %4$s and MySQL version %5$s.' ), $wp_version, $required_php_version, $required_mysql_version, $php_version, $mysql_version );
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elseif ( !$php_compat )
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$compat = sprintf( __( 'You cannot install because <a href="http://codex.wordpress.org/Version_%1$s">WordPress %1$s</a> requires PHP version %2$s or higher. You are running version %3$s.' ), $wp_version, $required_php_version, $php_version );
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elseif ( !$mysql_compat )
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$compat = sprintf( __( 'You cannot install because <a href="http://codex.wordpress.org/Version_%1$s">WordPress %1$s</a> requires MySQL version %2$s or higher. You are running version %3$s.' ), $wp_version, $required_mysql_version, $mysql_version );
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if ( !$mysql_compat || !$php_compat ) {
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die( '<h1>' . __( 'Insufficient Requirements' ) . '</h1><p>' . $compat . '</p></body></html>' );
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if ( ! is_string( $wpdb->base_prefix ) || '' === $wpdb->base_prefix ) {
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die( '<h1>' . __( 'Configuration Error' ) . '</h1><p>' . __( 'Your <code>wp-config.php</code> file has an empty database table prefix, which is not supported.' ) . '</p></body></html>' );
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if ( ! empty( $_REQUEST['language'] ) ) {
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$language = preg_replace( '/[^a-zA-Z_]/', '', $_REQUEST['language'] );
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} elseif ( isset( $GLOBALS['wp_local_package'] ) ) {
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$language = $GLOBALS['wp_local_package'];
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if ( wp_can_install_language_pack() && empty( $language ) && ( $languages = wp_get_available_translations() ) ) {
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display_header( 'language-chooser' );
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echo '<form id="setup" method="post" action="?step=1">';
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wp_install_language_form( $languages );
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// Deliberately fall through if we can't reach the translations API.
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case 1: // Step 1, direct link or from language chooser.
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if ( ! empty( $language ) ) {
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$loaded_language = wp_download_language_pack( $language );
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if ( $loaded_language ) {
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load_default_textdomain( $loaded_language );
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$GLOBALS['wp_locale'] = new WP_Locale();
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<h1><?php _ex( 'Welcome', 'Howdy' ); ?></h1>
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<p><?php _e( 'Welcome to the famous five-minute WordPress installation process! Just fill in the information below and you’ll be on your way to using the most extendable and powerful personal publishing platform in the world.' ); ?></p>
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<h1><?php _e( 'Information needed' ); ?></h1>
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<p><?php _e( 'Please provide the following information. Don’t worry, you can always change these settings later.' ); ?></p>
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display_setup_form();
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if ( ! empty( $language ) && load_default_textdomain( $language ) ) {
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$loaded_language = $language;
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$GLOBALS['wp_locale'] = new WP_Locale();
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$loaded_language = 'en_US';
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if ( ! empty( $wpdb->error ) )
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wp_die( $wpdb->error->get_error_message() );
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// Fill in the data we gathered
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$weblog_title = isset( $_POST['weblog_title'] ) ? trim( wp_unslash( $_POST['weblog_title'] ) ) : '';
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$user_name = isset($_POST['user_name']) ? trim( wp_unslash( $_POST['user_name'] ) ) : '';
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$admin_password = isset($_POST['admin_password']) ? wp_unslash( $_POST['admin_password'] ) : '';
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$admin_password_check = isset($_POST['admin_password2']) ? wp_unslash( $_POST['admin_password2'] ) : '';
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$admin_email = isset( $_POST['admin_email'] ) ?trim( wp_unslash( $_POST['admin_email'] ) ) : '';
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$public = isset( $_POST['blog_public'] ) ? (int) $_POST['blog_public'] : 0;
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// Check e-mail address.
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if ( empty( $user_name ) ) {
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display_setup_form( __( 'Please provide a valid username.' ) );
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} elseif ( $user_name != sanitize_user( $user_name, true ) ) {
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display_setup_form( __( 'The username you provided has invalid characters.' ) );
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} elseif ( $admin_password != $admin_password_check ) {
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display_setup_form( __( 'Your passwords do not match. Please try again.' ) );
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} else if ( empty( $admin_email ) ) {
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display_setup_form( __( 'You must provide an email address.' ) );
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} elseif ( ! is_email( $admin_email ) ) {
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display_setup_form( __( 'Sorry, that isn’t a valid email address. Email addresses look like <code>username@example.com</code>.' ) );
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if ( $error === false ) {
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$wpdb->show_errors();
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$result = wp_install( $weblog_title, $user_name, $admin_email, $public, '', wp_slash( $admin_password ), $loaded_language );
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<h1><?php _e( 'Success!' ); ?></h1>
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<p><?php _e( 'WordPress has been installed. Were you expecting more steps? Sorry to disappoint.' ); ?></p>
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<table class="form-table install-success">
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<th><?php _e( 'Username' ); ?></th>
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<td><?php echo esc_html( sanitize_user( $user_name, true ) ); ?></td>
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<th><?php _e( 'Password' ); ?></th>
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if ( ! empty( $result['password'] ) && empty( $admin_password_check ) ): ?>
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<code><?php echo esc_html( $result['password'] ) ?></code><br />
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<p><?php echo $result['password_message'] ?></p>
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<p class="step"><a href="../wp-login.php" class="button button-large"><?php _e( 'Log In' ); ?></a></p>
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if ( !wp_is_mobile() ) {
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<script type="text/javascript">var t = document.getElementById('weblog_title'); if (t){ t.focus(); }</script>
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<?php wp_print_scripts( 'user-profile' ); ?>
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<?php wp_print_scripts( 'language-chooser' ); ?>
added
removed
wp-admin/install.php
