Add import/export to CPT.

custom-post-type-ui.diff

Index: custom-post-type-ui.php
===================================================================
--- custom-post-type-ui.php	(revision 821057)
+++ custom-post-type-ui.php	(working copy)
@@ -59,6 +59,7 @@
 	add_submenu_page( 'cpt_main_menu', __( 'Add New', 'cpt-plugin' ), __( 'Add New', 'cpt-plugin' ), 'manage_options', 'cpt_sub_add_new', 'cpt_add_new' );
 	add_submenu_page( 'cpt_main_menu', __( 'Manage Post Types', 'cpt-plugin' ), __( 'Manage Post Types', 'cpt-plugin' ), 'manage_options', 'cpt_sub_manage_cpt', 'cpt_manage_cpt' );
 	add_submenu_page( 'cpt_main_menu', __( 'Manage Taxonomies', 'cpt-plugin' ), __( 'Manage Taxonomies', 'cpt-plugin' ), 'manage_options', 'cpt_sub_manage_taxonomies', 'cpt_manage_taxonomies' );
+	add_submenu_page( 'cpt_main_menu', __( 'Import/Export', 'cpt-plugin' ), __( 'Import/Export', 'cpt-plugin' ), 'manage_options', 'cpt_sub_import_export', 'cpt_import_export' );
 }
 
 //temp fix, should do: http://planetozh.com/blog/2008/04/how-to-load-javascript-with-your-wordpress-plugin/
@@ -565,6 +566,63 @@
 cpt_footer();
 }
 
+
+function cpt_import_export() {
+	global $CPT_URL, $wp_post_types;
+
+	$RETURN_URL = ( isset( $_GET['return'] ) ) ? 'action="' . cpt_check_return( esc_attr( $_GET['return'] ) ) . '"' : '';
+
+  if(isset($_POST['import']))
+  {
+//		check_admin_referer('cpt_import');
+    $data = trim($_POST['import']);
+    $data = stripslashes_deep($data);
+    $settings = json_decode($data,true);
+    if($settings)
+    {
+      $settings = array_values($settings);
+			update_option( 'cpt_custom_post_types', $settings );
+    }
+  }
+	//flush rewrite rules
+	flush_rewrite_rules();
+?>
+	<div class="wrap">
+		<?php screen_icon( 'plugins' ); ?>
+		<h2><?php _e( 'Import/Export', 'cpt-plugin' ); ?> </h2>
+
+		<h2><?php _e( 'Import', 'cpt-plugin' ); ?></h2>
+		<p><?php _e( 'To import custom post types, paste the JSON text shown from a previous export', 'cpt-plugin' ); ?>
+		<form method="post" <?php echo $RETURN_URL; ?>>
+			<?php
+			if ( function_exists( 'wp_nonce_field' ) )
+				wp_nonce_field( 'cpt_import' );
+			?>
+      <p>
+        <textarea name="import" style="width: 300px; height: 200px">
+        </textarea>
+      </p>
+      <p>
+        <input type="submit" value="Import"/>  
+      </p>
+    </form>
+		<h2><?php _e( 'Export', 'cpt-plugin' ); ?></h2>
+		<p><?php _e( 'The following is a JSON export of your current CPT settings. Copy this information to a different installation or simply save it for backup purposes.', 'cpt-plugin' ); ?>
+    <p>
+      <?php
+        $cpt_post_types = get_option( 'cpt_custom_post_types', array() );
+        $json = json_encode($cpt_post_types);
+        
+      ?>
+      <textarea style="width: 300px; height: 200px"><?php echo(esc_html($json))?></textarea>
+    </p>
+	</div>
+<?php
+//load footer
+cpt_footer();
+}
+
+
 //manage custom post types page
 function cpt_manage_cpt() {
 	global $CPT_URL;