define variables only where needed

ChangeLog

@@ -7,9 +7,12 @@ $Source$
 
 2005-11-24 Sebastian Mendel <cybot_tm@users.sourceforge.net>
     * libraries/grab_globals.lib.php: allow scripts to bypass importing vars
-    * libraries/common.lib.php, libraries/export/sql.php: define variables only
+    * libraries/common.lib.php, libraries/export/sql.php,
-      where needed, and use NULL to define them, as some places test only for
+      libraries/display_tbl.lib.php, libraries/mult_submits.inc.php, sql.php,
-      isset and not for content
+      tbl_replace.php, tbl_row_action.php:
+      define variables only where needed, and use NULL to define them
+      if some places test only for isset and not for content
+    
     
 2005-11-25 Marc Delisle  <lem9@users.sourceforge.net>
     * main.php: move server choice into MySQL container

libraries/display_tbl.lib.php

@@ -6,6 +6,13 @@
  * Set of functions used to display the records returned by a sql query
  */
 
+/**
+ * Avoids undefined variables
+ */
+if (!isset($pos)) {
+    $pos = 0;
+}
+
 /**
  * Defines the display mode to use for the results of a sql query
  *

libraries/mult_submits.inc.php

@@ -252,7 +252,7 @@ if ( !empty($submit_mult) && !empty($what)) {
         echo '<input type="hidden" name="disp_direction"   value="' . $disp_direction . '" />' . "\n";
         echo '<input type="hidden" name="repeat_cells"     value="' . $repeat_cells   . '" />' . "\n";
         echo '<input type="hidden" name="dontlimitchars"   value="' . $dontlimitchars . '" />' . "\n";
-        echo '<input type="hidden" name="pos"              value="' . $pos . '" />' . "\n";
+        echo '<input type="hidden" name="pos"              value="' . ( isset( $pos ) ? $pos : 0 ) . '" />' . "\n";
         echo '<input type="hidden" name="session_max_rows" value="' . $session_max_rows . '" />' . "\n";
     }
     ?>

sql.php

@@ -85,6 +85,12 @@ if (isset($find_real_end) && $find_real_end) {
     $unlim_num_rows = PMA_countRecords($db, $table, TRUE, TRUE);
     $pos = @((ceil($unlim_num_rows / $session_max_rows) - 1) * $session_max_rows);
 }
+/**
+ * Avoids undefined variables
+ */
+elseif (!isset($pos)) {
+    $pos = 0;
+}
 
 /**
  * Bookmark add

tbl_replace.php

@@ -22,6 +22,9 @@ if (isset($sql_query)) {
 if (!isset($dontlimitchars)) {
     $dontlimitchars = 0;
 }
+if (!isset($pos)) {
+    $pos = 0;
+}
 $is_gotofile = FALSE;
 if (isset($after_insert) && $after_insert == 'new_insert') {
     $goto = 'tbl_change.php?'

tbl_row_action.php

@@ -4,6 +4,13 @@
 require_once('./libraries/common.lib.php');
 require_once('./libraries/mysql_charsets.lib.php');
 
+/**
+ * Avoids undefined variables
+ */
+if (!isset($pos)) {
+    $pos = 0;
+}
+
 /**
  * No rows were selected => show again the query and tell that user.
  */