better way to show php code

ChangeLog

@@ -8,6 +8,7 @@ $Source$
 2002-07-13 Marc Delisle  <lem9@users.sourceforge.net>
     * libraries/common.lib.php3: bug 580929: do not EXPLAIN if this is
       not a SELECT
+    * sql.php3: better way to show php code
 
 2002-07-13 Alexander M. Turek  <rabus@users.sourceforge.net>
     * Documentation.html: News about bug #540671.

sql.php3

@@ -8,7 +8,6 @@
 require('./libraries/grab_globals.lib.php3');
 require('./libraries/common.lib.php3');
 
-
 /**
  * Defines the url to return to in case of error in a sql statement
  */
@@ -244,7 +243,7 @@ else {
         $sql_query = stripslashes($sql_query);
     }
     // Defines some variables
-    // loic1: A table have to be created -> left frame should be reloaded
+    // loic1: A table has to be created -> left frame should be reloaded
     if ((!isset($reload) || $reload == 0)
         && eregi('^CREATE TABLE[[:space:]]+(.*)', $sql_query)) {
         $reload           = 1;
@@ -328,9 +327,12 @@ else {
 
     // Executes the query
     //  only if we didn't ask to see the php code (mikebeck)
-    if (empty($GLOBALS['show_as_php'])){
-        $result   = @PMA_mysql_query($full_sql_query);
+    if (!empty($GLOBALS['show_as_php'])){
+        unset($result);
+        $num_rows = 0;
     }
+    else {
+        $result   = @PMA_mysql_query($full_sql_query);
         // Displays an error message if required and stop parsing the script
         if (PMA_mysql_error()) {
             $error        = PMA_mysql_error();
@@ -397,6 +399,7 @@ else {
                 $unlim_num_rows         = 0;
             }
         } // end rows total count
+    } // end else "didn't ask to see php code"
 
     // No rows returned -> move back to the calling page
     if ($num_rows < 1 || $is_affected) {
@@ -408,6 +411,8 @@ else {
             $message = $strAffectedRows . '&nbsp;' . $num_rows;
         } else if (!empty($zero_rows)) {
             $message = $zero_rows;
+        } else if (!empty($GLOBALS['show_as_php'])){ 
+            $message = $strPhp;
         } else {
             $message = $strEmptyResultSet;
         }
@@ -487,11 +492,12 @@ else {
         }
 
         // Gets the list of fields properties
+        if (isset($result) && $result) {
             while ($field = PMA_mysql_fetch_field($result)) {
                 $fields_meta[] = $field;
             }
             $fields_cnt        = count($fields_meta);
-
+        }
         // Displays the results in a table
         include('./libraries/display_tbl.lib.php3');
         if (empty($disp_mode)) {