374 lines
16 KiB
PHP
374 lines
16 KiB
PHP
<?php
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/**
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* Network installation administration panel.
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*
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* A multi-step process allowing the user to enable a network of WordPress sites.
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*
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* @since 3.0.0
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*
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* @package WordPress
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* @subpackage Administration
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*/
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/** WordPress Administration Bootstrap */
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require_once( './admin.php' );
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if ( ! is_super_admin() )
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wp_die( __( 'You do not have sufficient permissions to manage options for this site.' ) );
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if ( is_multisite() && ! defined( 'MULTISITE' ) )
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wp_die( __( 'The Network creation panel is not for WordPress MU networks.' ) );
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// We need to create references to ms global tables to enable Network.
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foreach ( $wpdb->tables( 'ms_global' ) as $table => $prefixed_table )
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$wpdb->$table = $prefixed_table;
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/**
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* Check for an existing network.
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*
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* @since 3.0.0
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* @return Whether a network exists.
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*/
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function network_domain_check() {
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global $wpdb;
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if ( $wpdb->get_var( "SHOW TABLES LIKE '$wpdb->site'" ) )
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return $wpdb->get_var( "SELECT domain FROM $wpdb->site ORDER BY id ASC LIMIT 1" );
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return false;
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}
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/**
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* Allow subdomain install
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*
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* @since 3.0.0
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* @return bool - whether subdomain install is allowed
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*/
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function allow_subdomain_install() {
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$domain = preg_replace( '|https?://[^/]|', '', get_option( 'siteurl' ) );
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if( false !== strpos( $domain, '/' ) || 'localhost' == $_SERVER[ 'HTTP_HOST' ] )
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return false;
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return true;
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}
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/**
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* Get base domain of network.
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*
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* @since 3.0.0
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* @return string Base domain.
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*/
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function get_clean_basedomain() {
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if ( $existing_domain = network_domain_check() )
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return $existing_domain;
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$domain = preg_replace( '|https?://|', '', get_option( 'siteurl' ) );
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if ( $slash = strpos( $domain, '/' ) )
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$domain = substr( $domain, 0, $slash );
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return $domain;
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}
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if ( ! network_domain_check() && ( ! defined( 'WP_ALLOW_MULTISITE' ) || ! WP_ALLOW_MULTISITE ) )
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wp_die( __( 'You must define the <code>WP_ALLOW_MULTISITE</code> constant as true in your wp-config.php file to allow creation of a Network.' ) );
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$title = __( 'Create a Network of WordPress Sites' );
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$parent_file = 'tools.php';
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// @todo: Documentation?
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// add_contextual_help( $current_screen, ... );
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include( './admin-header.php' );
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?>
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<div class="wrap">
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<?php screen_icon(); ?>
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<h2><?php echo esc_html( $title ); ?></h2>
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<form method="post">
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<?php
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/**
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* Prints step 1 for Network installation process.
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*
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* @todo Realistically, step 1 should be a welcome screen explaining what a Network is and such. Navigating to Tools > Network
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* should not be a sudden "Welcome to a new install process! Fill this out and click here." See also contextual help todo.
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*
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* @since 3.0.0
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*/
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function network_step1( $errors = false ) {
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if ( get_option( 'siteurl' ) != get_option( 'home' ) ) {
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echo '<div class="error"><p><strong>' . __('Error:') . '</strong> ' . sprintf( __( 'Your <strong>WordPress address</strong> must match your <strong>Site address</strong> before creating a Network. See <a href="%s">General Settings</a>.' ), admin_url( 'options-general.php' ) ) . '</strong></p></div>';
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include ('./admin-footer.php' );
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die();
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}
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$active_plugins = get_option( 'active_plugins' );
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if ( ! empty( $active_plugins ) ) {
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echo '<div class="updated"><p><strong>' . __('Warning:') . '</strong> ' . sprintf( __( 'Please <a href="%s">deactivate</a> your plugins before enabling the Network feature.' ), admin_url( 'plugins.php' ) ) . '</p></div><p>' . __(' Once the network is created, you may reactivate your plugins.' ) . '</p>';
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include( './admin-footer.php' );
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die();
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}
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$hostname = get_clean_basedomain();
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$has_ports = strstr( $hostname, ':' );
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if ( ( false !== $has_ports && ! in_array( $has_ports, array( ':80', ':443' ) ) )
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|| ( $no_ip = preg_match( '|[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+|', $hostname ) ) ) {
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echo '<div class="error"><p><strong>' . __( 'Error:') . '</strong> ' . __( 'You cannot install a network of sites with your server address.' ) . '</strong></p></div>';
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if ( $no_ip )
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echo '<p>' . __( 'You cannot use an IP address such as <code>127.0.0.1</code>.' ) . '</p>';
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else
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echo '<p>' . sprintf( __( 'You cannot use port numbers such as <code>%s</code>.' ), $has_ports ) . '</p>';
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echo '<a href="' . admin_url() . '">' . __( 'Return to Dashboard' ) . '</a>';
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include( './admin-footer.php' );
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die();
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}
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wp_nonce_field( 'install-network-1' );
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$error_codes = array();
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if ( is_wp_error( $errors ) ) {
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echo '<div class="error"><p><strong>' . __( 'ERROR: The network could not be created.' ) . '</strong></p>';
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foreach ( $errors->get_error_messages() as $error )
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echo "<p>$error</p>";
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echo '</div>';
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$error_codes = $errors->get_error_codes();
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}
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$site_name = ( ! empty( $_POST['sitename'] ) && ! in_array( 'empty_sitename', $error_codes ) ) ? $_POST['sitename'] : sprintf( _x('%s Sites', 'Default network name' ), get_option( 'blogname' ) );
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$admin_email = ( ! empty( $_POST['email'] ) && ! in_array( 'invalid_email', $error_codes ) ) ? $_POST['email'] : get_option( 'admin_email' );
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?>
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<p><?php _e( 'Welcome to the Network installation process!' ); ?></p>
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<p><?php _e( 'Fill in the information below and you’ll be on your way to creating a network of WordPress sites. We will create configuration files in the next step.' ); ?></p>
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<?php
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// @todo IIS and ! $is_apache
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if ( isset( $_POST['subdomain_install'] ) ) {
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$subdomain_install = (bool) $_POST['subdomain_install'];
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} elseif ( apache_mod_loaded('mod_rewrite') ) { // assume nothing
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$subdomain_install = true;
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} else {
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$subdomain_install = false;
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if ( got_mod_rewrite() ) // dangerous assumptions
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echo '<div class="updated inline"><p><strong>' . __( 'Note:' ) . '</strong> ' . __( 'Please make sure the Apache <code>mod_rewrite</code> module is installed as it will be used at the end of this installation.' ) . '</p>';
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else
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echo '<div class="error inline"><p><strong>' . __( 'Warning!' ) . '</strong> ' . __( 'It looks like the Apache <code>mod_rewrite</code> module is not installed.' ) . '</p>';
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echo '<p>' . __( 'If <code>mod_rewrite</code> is disabled, ask your administrator to enable that module, or look at the <a href="http://httpd.apache.org/docs/mod/mod_rewrite.html">Apache documentation</a> or <a href="http://www.google.com/search?q=apache+mod_rewrite">elsewhere</a> for help setting it up.' ) . '</p></div>';
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}
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if ( allow_subdomain_install() ) : ?>
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<h3><?php esc_html_e( 'Addresses of Sites in your Network' ); ?></h3>
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<p><?php _e( 'Please choose whether you would like sites in your WordPress network to use sub-domains or sub-directories. <strong>You cannot change this later.</strong>' ); ?></p>
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<p><?php _e( 'You will need a wildcard DNS record if you are going to use the virtual host (sub-domain) functionality.' ); ?></p>
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<?php // @todo: Link to an MS readme? ?>
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<table class="form-table">
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<tr>
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<th><label><input type='radio' name='subdomain_install' value='1'<?php checked( $subdomain_install ); ?> /> Sub-domains</label></th>
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<td><?php printf( _x( 'like <code>site1.%1$s</code> and <code>site2.%1$s</code>', 'subdomain examples' ), $hostname ); ?></td>
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</tr>
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<tr>
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<th><label><input type='radio' name='subdomain_install' value='0'<?php checked( ! $subdomain_install ); ?> /> Sub-directories</label></th>
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<td><?php printf( _x( 'like <code>%1$s/site1</code> and <code>%1$s/site2</code>', 'subdirectory examples' ), $hostname ); ?></td>
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</tr>
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</table>
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<?php
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endif;
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$is_www = ( 0 === strpos( $hostname, 'www.' ) );
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if ( $is_www ) :
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?>
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<h3><?php esc_html_e( 'Server Address' ); ?></h3>
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<p><?php printf( __( 'We recommend you change your siteurl to <code>%1$s</code> before enabling the network feature. It will still be possible to visit your site using the <code>www</code> prefix with an address like <code>%2$s</code> but any links will not have the <code>www</code> prefix.' ), substr( $hostname, 4 ), $hostname ); ?></h3>
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<table class="form-table">
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<tr>
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<th scope='row'><?php esc_html_e( 'Server Address' ); ?></th>
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<td>
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<?php printf( __( 'The internet address of your network will be <code>%s</code>.' ), $hostname ); ?>
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</td>
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</tr>
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</table>
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<?php endif; ?>
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<h3><?php esc_html_e( 'Network Details' ); ?></h3>
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<table class="form-table">
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<?php if ( 'localhost' == $hostname ) : ?>
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<tr>
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<th scope="row"><?php esc_html_e( 'Sub-directory Install' ); ?></th>
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<td><?php _e( 'Because you are using <code>localhost</code>, the sites in your WordPress network must use sub-directories. Consider using <code>localhost.localdomain</code> if you wish to use sub-domains.' ); ?></td>
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</tr>
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<?php elseif ( !allow_subdomain_install() ) : ?>
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<tr>
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<th scope="row"><?php esc_html_e( 'Sub-directory Install' ); ?></th>
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<td><?php _e( 'Because your install is in a directory, the sites in your WordPress network must use sub-directories.' ); ?></td>
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</tr>
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<?php endif; ?>
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<?php if ( ! $is_www ) : ?>
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<tr>
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<th scope='row'><?php esc_html_e( 'Server Address' ); ?></th>
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<td>
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<?php printf( __( 'The internet address of your network will be <code>%s</code>.' ), $hostname ); ?>
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</td>
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</tr>
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<?php endif; ?>
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<tr>
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<th scope='row'><?php esc_html_e( 'Network Title' ); ?></th>
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<td>
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<input name='sitename' type='text' size='45' value='<?php echo esc_attr( $site_name ); ?>' />
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<br /><?php _e( 'What would you like to call your network?' ); ?>
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</td>
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</tr>
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<tr>
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<th scope='row'><?php esc_html_e( 'Admin E-mail Address' ); ?></th>
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<td>
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<input name='email' type='text' size='45' value='<?php echo esc_attr( $admin_email ); ?>' />
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<br /><?php _e( 'Your email address.' ); ?>
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</td>
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</tr>
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</table>
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<p class='submit'><input class="button-primary" name='submit' type='submit' value='<?php esc_attr_e( 'Install' ); ?>' /></p>
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<?php
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}
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/**
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* Prints step 2 for Network installation process.
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*
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* @since 3.0.0
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*/
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function network_step2( $errors = false ) {
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global $base, $wpdb;
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$hostname = get_clean_basedomain();
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// Wildcard DNS message.
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if ( is_wp_error( $errors ) )
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echo '<div class="error">' . $errors->get_error_message() . '</div>';
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if ( $_POST ) {
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$vhost = !allow_subdomain_install() ? false : (bool) $_POST['subdomain_install'];
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} else {
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if ( is_multisite() ) {
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$vhost = is_subdomain_install();
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?>
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<div class="updated"><p><strong><?php _e( 'Notice: The Network feature is already enabled.' ); ?></strong> <?php _e( 'The original configuration steps are shown here for reference.' ); ?></p></div>
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<?php } else {
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$vhost = (bool) $wpdb->get_var( "SELECT meta_value FROM $wpdb->sitemeta WHERE site_id = 1 AND meta_key = 'subdomain_install'" );
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?>
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<div class="error"><p><strong><?php _e('Warning:'); ?></strong> <?php _e( 'An existing WordPress network was detected.' ); ?></p></div>
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<p><?php _e( 'Please complete the configuration steps. To create a new network, you will need to empty or remove the network database tables.' ); ?></p>
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<?php
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}
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}
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if ( $_POST || ! is_multisite() ) {
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?>
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<h3><?php esc_html_e( 'Enabling the Network' ); ?></h3>
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<p><?php _e( 'Complete the following steps to enable the features for creating a network of sites.' ); ?></p>
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<div class="updated inline"><p><?php _e( '<strong>Caution:</strong> We recommend you backup your existing <code>wp-config.php</code> and <code>.htaccess</code> files.' ); ?></p></div>
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<?php
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}
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?>
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<ol>
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<li><p><?php printf( __( 'Create a <code>blogs.dir</code> directory in <code>%s</code>. This directory is used to stored uploaded media for your additional sites and must be writeable by the web server.' ), WP_CONTENT_DIR ); ?></p></li>
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<li><p><?php printf( __( 'Add the following to your <code>wp-config.php</code> file in <code>%s</code> <strong>above</strong> the line reading <code>/* That’s all, stop editing! Happy blogging. */</code>:' ), ABSPATH ); ?></p>
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<textarea class="code" readonly="readonly" cols="100" rows="7">
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define( 'MULTISITE', true );
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define( 'VHOST', '<?php echo $vhost ? 'yes' : 'no'; ?>' );
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$base = '<?php echo $base; ?>';
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define( 'DOMAIN_CURRENT_SITE', '<?php echo $hostname; ?>' );
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define( 'PATH_CURRENT_SITE', '<?php echo $base; ?>' );
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define( 'SITE_ID_CURRENT_SITE', 1 );
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define( 'BLOG_ID_CURRENT_SITE', 1 );</textarea>
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<?php
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$keys_salts = array( 'AUTH_KEY' => '', 'SECURE_AUTH_KEY' => '', 'LOGGED_IN_KEY' => '', 'NONCE_KEY' => '', 'AUTH_SALT' => '', 'SECURE_AUTH_SALT' => '', 'LOGGED_IN_SALT' => '', 'NONCE_SALT' => '' );
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foreach ( $keys_salts as $c => $v ) {
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if ( defined( $c ) )
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unset( $keys_salts[ $c ] );
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}
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if ( ! empty( $keys_salts ) ) {
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$from_api = wp_remote_get( 'https://api.wordpress.org/secret-key/1.1/salt/' );
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if ( is_wp_error( $from_api ) ) {
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foreach ( $keys_salts as $c => $v ) {
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$keys_salts[ $c ] = wp_generate_password( 64, true, true );
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}
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} else {
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$from_api = explode( "\n", wp_remote_retrieve_body( $from_api ) );
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foreach ( $keys_salts as $c => $v ) {
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$keys_salts[ $c ] = substr( array_shift( $from_api ), 28, 64 );
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}
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}
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$num_keys_salts = count( $keys_salts );
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?>
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<p><?php
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echo _n( 'This unique authentication key is also missing from your <code>wp-config.php</code> file.', 'These unique authentication keys are also missing from your <code>wp-config.php</code> file.', $num_keys_salts ); ?> <?php _e( 'To make your installation more secure, you should also add:' ) ?></p>
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<textarea class="code" readonly="readonly" cols="100" rows="<?php echo $num_keys_salts; ?>"><?php
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foreach ( $keys_salts as $c => $v ) {
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echo "\ndefine( '$c', '$v' );";
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}
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?></textarea>
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<?php
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}
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?>
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</li>
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<?php
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// Construct an htaccess file.
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$htaccess_file = 'RewriteEngine On
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RewriteBase ' . $base . '
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RewriteRule ^index\.php$ - [L]
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# uploaded files
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RewriteRule ^' . ( $vhost ? '' : '([_0-9a-zA-Z-]+/)?' ) . 'files/(.+) wp-includes/ms-files.php?file=$' . ( $vhost ? 1 : 2 ) . ' [L]' . "\n";
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if ( ! $vhost )
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$htaccess_file .= "\n# add a trailing slash to /wp-admin\n" . 'RewriteRule ^([_0-9a-zA-Z-]+/)?wp-admin$ $1wp-admin/ [R=301,L]' . "\n";
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$htaccess_file .= "\n" . 'RewriteCond %{REQUEST_FILENAME} -f [OR]
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RewriteCond %{REQUEST_FILENAME} -d
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RewriteRule ^ - [L]';
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// @todo custom content dir.
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if ( ! $vhost )
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$htaccess_file .= "\n" . 'RewriteRule ^([_0-9a-zA-Z-]+/)?(wp-(content|admin|includes).*) $2 [L]
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RewriteRule ^([_0-9a-zA-Z-]+/)?(.*\.php)$ $2 [L]';
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$htaccess_file .= "\nRewriteRule . index.php [L]";
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?>
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<li><p><?php printf( __( 'Add the following to your <code>.htaccess</code> file in <code>%s</code>, replacing other WordPress rules:' ), ABSPATH ); ?></p>
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<textarea class="code" readonly="readonly" cols="100" rows="<?php echo $vhost ? 11 : 16; ?>">
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<?php echo wp_htmledit_pre( $htaccess_file ); ?>
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</textarea></li>
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</ol>
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<?php if ( !is_multisite() ) { ?>
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<p><?php printf( __( 'Once you complete these steps, your network is enabled and configured.') ); ?> <a href="<?php echo admin_url(); ?>"><?php _e( 'Return to Dashboard' ); ?></a></p>
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<?php
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}
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}
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$base = trailingslashit( stripslashes( dirname( dirname( $_SERVER['SCRIPT_NAME'] ) ) ) );
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if ( $_POST ) {
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check_admin_referer( 'install-network-1' );
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require_once( ABSPATH . 'wp-admin/includes/upgrade.php' );
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// create network tables
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install_network();
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$hostname = get_clean_basedomain();
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$subdomain_install = !allow_subdomain_install() ? false : (bool) $_POST['subdomain_install'];
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if ( ! network_domain_check() ) {
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$result = populate_network( 1, get_clean_basedomain(), sanitize_email( $_POST['email'] ), $_POST['sitename'], $base, $subdomain_install );
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if ( is_wp_error( $result ) ) {
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if ( 1 == count( $result->get_error_codes() ) && 'no_wildcard_dns' == $result->get_error_code() )
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network_step2( $result );
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else
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network_step1( $result );
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} else {
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network_step2();
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}
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} else {
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network_step2();
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}
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} elseif ( is_multisite() || network_domain_check() ) {
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network_step2();
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} else {
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network_step1();
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}
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?>
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</form>
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</div>
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<?php include( './admin-footer.php' ); ?>
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