Source
File: wp-admin/includes/network.php
function network_step1( $errors = false ) {
global $is_apache;
if ( defined( 'DO_NOT_UPGRADE_GLOBAL_TABLES' ) ) {
echo '<div class="error"><p><strong>' . __( 'Error:' ) . '</strong> ' . sprintf(
/* translators: %s: DO_NOT_UPGRADE_GLOBAL_TABLES */
__( 'The constant %s cannot be defined when creating a network.' ),
'<code>DO_NOT_UPGRADE_GLOBAL_TABLES</code>'
) . '</p></div>';
echo '</div>';
require_once ABSPATH . 'wp-admin/admin-footer.php';
die();
}
$active_plugins = get_option( 'active_plugins' );
if ( ! empty( $active_plugins ) ) {
echo '<div class="notice notice-warning"><p><strong>' . __( 'Warning:' ) . '</strong> ' . sprintf(
/* translators: %s: URL to Plugins screen. */
__( 'Please <a href="%s">deactivate your plugins</a> before enabling the Network feature.' ),
admin_url( 'plugins.php?plugin_status=active' )
) . '</p></div>';
echo '<p>' . __( 'Once the network is created, you may reactivate your plugins.' ) . '</p>';
echo '</div>';
require_once ABSPATH . 'wp-admin/admin-footer.php';
die();
}
$hostname = get_clean_basedomain();
$has_ports = strstr( $hostname, ':' );
if ( ( false !== $has_ports && ! in_array( $has_ports, array( ':80', ':443' ), true ) ) ) {
echo '<div class="error"><p><strong>' . __( 'Error:' ) . '</strong> ' . __( 'You cannot install a network of sites with your server address.' ) . '</p></div>';
echo '<p>' . sprintf(
/* translators: %s: Port number. */
__( 'You cannot use port numbers such as %s.' ),
'<code>' . $has_ports . '</code>'
) . '</p>';
echo '<a href="' . esc_url( admin_url() ) . '">' . __( 'Return to Dashboard' ) . '</a>';
echo '</div>';
require_once ABSPATH . 'wp-admin/admin-footer.php';
die();
}
echo '<form method="post">';
wp_nonce_field( 'install-network-1' );
$error_codes = array();
if ( is_wp_error( $errors ) ) {
echo '<div class="error"><p><strong>' . __( 'Error: The network could not be created.' ) . '</strong></p>';
foreach ( $errors->get_error_messages() as $error ) {
echo "<p>$error</p>";
}
echo '</div>';
$error_codes = $errors->get_error_codes();
}
if ( ! empty( $_POST['sitename'] ) && ! in_array( 'empty_sitename', $error_codes, true ) ) {
$site_name = $_POST['sitename'];
} else {
/* translators: %s: Default network title. */
$site_name = sprintf( __( '%s Sites' ), get_option( 'blogname' ) );
}
if ( ! empty( $_POST['email'] ) && ! in_array( 'invalid_email', $error_codes, true ) ) {
$admin_email = $_POST['email'];
} else {
$admin_email = get_option( 'admin_email' );
}
?>
<p><?php _e( 'Welcome to the Network installation process!' ); ?></p>
<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>
<?php
if ( isset( $_POST['subdomain_install'] ) ) {
$subdomain_install = (bool) $_POST['subdomain_install'];
} elseif ( apache_mod_loaded( 'mod_rewrite' ) ) { // Assume nothing.
$subdomain_install = true;
} elseif ( ! allow_subdirectory_install() ) {
$subdomain_install = true;
} else {
$subdomain_install = false;
$got_mod_rewrite = got_mod_rewrite();
if ( $got_mod_rewrite ) { // Dangerous assumptions.
echo '<div class="updated inline"><p><strong>' . __( 'Note:' ) . '</strong> ';
printf(
/* translators: %s: mod_rewrite */
__( 'Please make sure the Apache %s module is installed as it will be used at the end of this installation.' ),
'<code>mod_rewrite</code>'
);
echo '</p>';
} elseif ( $is_apache ) {
echo '<div class="error inline"><p><strong>' . __( 'Warning:' ) . '</strong> ';
printf(
/* translators: %s: mod_rewrite */
__( 'It looks like the Apache %s module is not installed.' ),
'<code>mod_rewrite</code>'
);
echo '</p>';
}
if ( $got_mod_rewrite || $is_apache ) { // Protect against mod_rewrite mimicry (but ! Apache).
echo '<p>';
printf(
/* translators: 1: mod_rewrite, 2: mod_rewrite documentation URL, 3: Google search for mod_rewrite. */
__( 'If %1$s is disabled, ask your administrator to enable that module, or look at the <a href="%2$s">Apache documentation</a> or <a href="%3$s">elsewhere</a> for help setting it up.' ),
'<code>mod_rewrite</code>',
'https://httpd.apache.org/docs/mod/mod_rewrite.html',
'https://www.google.com/search?q=apache+mod_rewrite'
);
echo '</p></div>';
}
}
if ( allow_subdomain_install() && allow_subdirectory_install() ) :
?>
<h3><?php esc_html_e( 'Addresses of Sites in your Network' ); ?></h3>
<p><?php _e( 'Please choose whether you would like sites in your WordPress network to use sub-domains or sub-directories.' ); ?>
<strong><?php _e( 'You cannot change this later.' ); ?></strong></p>
<p><?php _e( 'You will need a wildcard DNS record if you are going to use the virtual host (sub-domain) functionality.' ); ?></p>
<?php // @todo Link to an MS readme? ?>
<table class="form-table" role="presentation">
<tr>
<th><label><input type="radio" name="subdomain_install" value="1"<?php checked( $subdomain_install ); ?> /> <?php _e( 'Sub-domains' ); ?></label></th>
<td>
<?php
printf(
/* translators: 1: Host name. */
_x( 'like <code>site1.%1$s</code> and <code>site2.%1$s</code>', 'subdomain examples' ),
$hostname
);
?>
</td>
</tr>
<tr>
<th><label><input type="radio" name="subdomain_install" value="0"<?php checked( ! $subdomain_install ); ?> /> <?php _e( 'Sub-directories' ); ?></label></th>
<td>
<?php
printf(
/* translators: 1: Host name. */
_x( 'like <code>%1$s/site1</code> and <code>%1$s/site2</code>', 'subdirectory examples' ),
$hostname
);
?>
</td>
</tr>
</table>
<?php
endif;
if ( WP_CONTENT_DIR !== ABSPATH . 'wp-content' && ( allow_subdirectory_install() || ! allow_subdomain_install() ) ) {
echo '<div class="error inline"><p><strong>' . __( 'Warning:' ) . '</strong> ' . __( 'Subdirectory networks may not be fully compatible with custom wp-content directories.' ) . '</p></div>';
}
$is_www = ( 0 === strpos( $hostname, 'www.' ) );
if ( $is_www ) :
?>
<h3><?php esc_html_e( 'Server Address' ); ?></h3>
<p>
<?php
printf(
/* translators: 1: Site URL, 2: Host name, 3: www. */
__( 'We recommend you change your site domain to %1$s before enabling the network feature. It will still be possible to visit your site using the %3$s prefix with an address like %2$s but any links will not have the %3$s prefix.' ),
'<code>' . substr( $hostname, 4 ) . '</code>',
'<code>' . $hostname . '</code>',
'<code>www</code>'
);
?>
</p>
<table class="form-table" role="presentation">
<tr>
<th scope='row'><?php esc_html_e( 'Server Address' ); ?></th>
<td>
<?php
printf(
/* translators: %s: Host name. */
__( 'The internet address of your network will be %s.' ),
'<code>' . $hostname . '</code>'
);
?>
</td>
</tr>
</table>
<?php endif; ?>
<h3><?php esc_html_e( 'Network Details' ); ?></h3>
<table class="form-table" role="presentation">
<?php if ( 'localhost' === $hostname ) : ?>
<tr>
<th scope="row"><?php esc_html_e( 'Sub-directory Installation' ); ?></th>
<td>
<?php
printf(
/* translators: 1: localhost, 2: localhost.localdomain */
__( 'Because you are using %1$s, the sites in your WordPress network must use sub-directories. Consider using %2$s if you wish to use sub-domains.' ),
'<code>localhost</code>',
'<code>localhost.localdomain</code>'
);
// Uh oh:
if ( ! allow_subdirectory_install() ) {
echo ' <strong>' . __( 'Warning:' ) . ' ' . __( 'The main site in a sub-directory installation will need to use a modified permalink structure, potentially breaking existing links.' ) . '</strong>';
}
?>
</td>
</tr>
<?php elseif ( ! allow_subdomain_install() ) : ?>
<tr>
<th scope="row"><?php esc_html_e( 'Sub-directory Installation' ); ?></th>
<td>
<?php
_e( 'Because your installation is in a directory, the sites in your WordPress network must use sub-directories.' );
// Uh oh:
if ( ! allow_subdirectory_install() ) {
echo ' <strong>' . __( 'Warning:' ) . ' ' . __( 'The main site in a sub-directory installation will need to use a modified permalink structure, potentially breaking existing links.' ) . '</strong>';
}
?>
</td>
</tr>
<?php elseif ( ! allow_subdirectory_install() ) : ?>
<tr>
<th scope="row"><?php esc_html_e( 'Sub-domain Installation' ); ?></th>
<td>
<?php
_e( 'Because your installation is not new, the sites in your WordPress network must use sub-domains.' );
echo ' <strong>' . __( 'The main site in a sub-directory installation will need to use a modified permalink structure, potentially breaking existing links.' ) . '</strong>';
?>
</td>
</tr>
<?php endif; ?>
<?php if ( ! $is_www ) : ?>
<tr>
<th scope='row'><?php esc_html_e( 'Server Address' ); ?></th>
<td>
<?php
printf(
/* translators: %s: Host name. */
__( 'The internet address of your network will be %s.' ),
'<code>' . $hostname . '</code>'
);
?>
</td>
</tr>
<?php endif; ?>
<tr>
<th scope='row'><label for="sitename"><?php esc_html_e( 'Network Title' ); ?></label></th>
<td>
<input name='sitename' id='sitename' type='text' size='45' value='<?php echo esc_attr( $site_name ); ?>' />
<p class="description">
<?php _e( 'What would you like to call your network?' ); ?>
</p>
</td>
</tr>
<tr>
<th scope='row'><label for="email"><?php esc_html_e( 'Network Admin Email' ); ?></label></th>
<td>
<input name='email' id='email' type='text' size='45' value='<?php echo esc_attr( $admin_email ); ?>' />
<p class="description">
<?php _e( 'Your email address.' ); ?>
</p>
</td>
</tr>
</table>
<?php submit_button( __( 'Install' ), 'primary', 'submit' ); ?>
</form>
<?php
}