diff -r 2f6f6f7551ca -r 32102edaa81b web/wp-content/plugins/xili-language/uninstall.php
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/wp-content/plugins/xili-language/uninstall.php	Mon Nov 19 18:26:13 2012 +0100
@@ -0,0 +1,95 @@
+<?php
+
+/**
+ * During uninstall: delete all taxonomies elements and relationships
+ *
+ * @since 1.8.8
+ *
+ * ONLY WORKS IF WEBMASTER has checked "delete DB datas" in xili-language settings BEFORE deactivate and fires delete in plugins list.
+ *
+ */
+
+
+if ( ! defined( 'WP_UNINSTALL_PLUGIN' ) || is_multisite() ) {// must done site by site 
+	echo 'impossible to erase plugin in multisite mode';
+	exit();
+}
+// check if delete_settings is set 
+
+$xl_settings = get_option('xili_language_settings');
+
+if ( $xl_settings['delete_settings'] == 'delete'  ) {
+	
+	delete_taxonomies ($xl_settings);
+	
+	// Options
+	delete_option('xili_language_widgets_options');
+	delete_option('xili_widget_recent_comments');
+	delete_option('xili_widget_recent_entries');
+	delete_option('xili_language_settings');
+}
+
+function delete_taxonomies ($xl_settings) {
+	
+	// temporary register taxonomies (plugin is deactivated)
+	
+	register_taxonomy( $xl_settings['taxonomy'], 'post', array('hierarchical' => false, 'label' => false, 'rewrite' => false,   'show_ui' => false, '_builtin' => false ));
+	register_taxonomy( $xl_settings['taxolangsgroup'], 'term', array('hierarchical' => false, 'update_count_callback' => '', 'show_ui' => false, 'label'=>false, 'rewrite' => false, '_builtin' => false ));
+	register_taxonomy( 'link_'.$xl_settings['taxonomy'], 'link', array('hierarchical' => false, 'label' => false, 'rewrite' => false, 'show_ui' => false, '_builtin' => false ));
+	
+	
+	// list of languages
+	
+	$languages = get_terms($xl_settings['taxonomy'], array('hide_empty' => false));
+	//update_option ( 'xili_language_settings_bk', $xl_settings );
+	
+	// array postmeta lang-xx_xx
+	foreach ($languages as $language ) {
+		$postmeta_suffixes[] = $language->slug ;
+	}
+	foreach ($languages as $language )  {
+		
+		$term_id = $language->term_id;
+		
+		$post_IDs = get_objects_in_term( array( $term_id ), array( $xl_settings['taxonomy'] ) );
+		
+		foreach ( $post_IDs as $post_ID ) {
+			// delete postmeta lang-xx_xx
+			foreach ( $postmeta_suffixes as $postmeta_suffix ) {
+				if ( $language->slug != $postmeta_suffix ) delete_post_meta( $post_ID, $xl_settings['reqtag'].'-'.$postmeta_suffix ) ;
+			}
+			// delete relationships posts
+	 		wp_delete_object_term_relationships( $post_ID, $xl_settings['taxonomy'] );
+		}
+		
+	 	wp_delete_object_term_relationships( $term_id, $xl_settings['taxolangsgroup'] );
+		
+		// link_language links
+		$links = get_objects_in_term( array( $term_id ), array( 'link_'.$xl_settings['taxonomy'] ) );
+		
+		foreach ( $links as $link ) {	   
+			wp_delete_object_term_relationships( $link, 'link_'.$xl_settings['taxonomy'] );
+		}
+		
+		// delete terms
+		$linklang = term_exists($language->slug,'link_'.$xl_settings['taxonomy']);
+			if ( $linklang ) wp_delete_term( $term_id, 'link_'.$xl_settings['taxonomy'] );
+		wp_delete_term( $term_id, $xl_settings['taxonomy'] );
+	 
+	} 
+	$term_group = term_exists( 'ev_er', 'link_'.$xl_settings['taxonomy'] ); /* special ever language for links */
+	// link_language links
+	$links = get_objects_in_term( array( $term_group['term_id'] ), array( 'link_'.$xl_settings['taxonomy'] ) );
+		
+	foreach ( $links as $link ) {	   
+		wp_delete_object_term_relationships( $link_id, 'link_'.$xl_settings['taxonomy'] );
+	}
+	wp_delete_term( $term_group['term_id'], 'link_'.$xl_settings['taxonomy'] );
+	
+	// delete taxonomie groups ['taxolangsgroup'] - when count = 0
+	$term_group = term_exists( 'the-langs-group', $xl_settings['taxolangsgroup'] );
+	wp_delete_term( $term_group['term_id'], $xl_settings['taxolangsgroup'] );
+	
+}
+
+?>
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