if ( isset($_GET['from']) && 'import' == $_GET['from'] ) {
wp_redirect( self_admin_url("import.php?import=" . str_replace('-importer', '', dirname($plugin))) ); // overrides the ?error=true one above and redirects to the Imports page, stripping the -importer suffix
'<p>' . __('Plugins extend and expand the functionality of WordPress. Once a plugin is installed, you may activate it or deactivate it here.') . '</p>' .
'<p>' . __( 'The search for installed plugins will search for terms in their name, description, or author.' ) . ' <span id="live-search-desc" class="hide-if-no-js">' . __( 'The search results will be updated as you type.' ) . '</span></p>' .
__( 'If you would like to see more plugins to choose from, click on the “Add New” button and you will be able to browse or search for additional plugins from the <a href="%s">WordPress Plugin Directory</a>. Plugins in the WordPress Plugin Directory are designed and developed by third parties, and are compatible with the license WordPress uses. Oh, and they’re free!' ),
__( 'https://wordpress.org/plugins/' )
) . '</p>'
) );
get_current_screen()->add_help_tab( array(
'id' => 'compatibility-problems',
'title' => __('Troubleshooting'),
'content' =>
'<p>' . __('Most of the time, plugins play nicely with the core of WordPress and with other plugins. Sometimes, though, a plugin’s code will get in the way of another plugin, causing compatibility issues. If your site starts doing strange things, this may be the problem. Try deactivating all your plugins and re-activating them in various combinations until you isolate which one(s) caused the issue.') . '</p>' .
'<p>' . sprintf(
/* translators: WP_PLUGIN_DIR constant value */
__( 'If something goes wrong with a plugin and you can’t use WordPress, delete or rename that file in the %s directory and it will be automatically deactivated.' ),
'<code>' . WP_PLUGIN_DIR . '</code>'
) . '</p>'
) );
get_current_screen()->set_help_sidebar(
'<p><strong>' . __('For more information:') . '</strong></p>' .
'<p>' . __('<a href="https://codex.wordpress.org/Managing_Plugins#Plugin_Management">Documentation on Managing Plugins</a>') . '</p>' .
__( 'The plugin %1$s has been <strong>deactivated</strong> due to an error: %2$s' ),
'<code>' . esc_html( $plugin_file ) . '</code>',
$error->get_error_message() );
echo'</p></div>';
}
}
?>
<?phpif ( isset($_GET['error']) ) :
if ( isset( $_GET['main'] ) )
$errmsg = __( 'You cannot delete a plugin while it is active on the main site.' );
elseif ( isset($_GET['charsout']) )
$errmsg = sprintf(__('The plugin generated %d characters of <strong>unexpected output</strong> during activation. If you notice “headers already sent” messages, problems with syndication feeds or other issues, try deactivating or removing this plugin.'), $_GET['charsout']);
else
$errmsg = __('Plugin could not be activated because it triggered a <strong>fatal error</strong>.');
<div id="message" class="error notice is-dismissible"><p><?phpprintf( __('Plugin could not be deleted due to an error: %s'), $delete_result->get_error_message() ); ?></p></div>