Location: PHPKode > projects > Free PHP VX Guestbook > include/backup.class.php
<?

function get_def($dbname, $table) {
    global $db;
    $def = "";
    $def .= "DROP TABLE IF EXISTS $table;\n";
    $def .= "CREATE TABLE $table (\n";
    $result = mysql_db_query($dbname, "SHOW FIELDS FROM $table",$db) or die("Table $table not existing in database");
    while($row = mysql_fetch_array($result)) {
        $def .= "    $row[Field] $row[Type]";
        if ($row["Default"] != "") $def .= " DEFAULT '$row[Default]'";
        if ($row["Null"] != "YES") $def .= " NOT NULL";
       	if ($row[Extra] != "") $def .= " $row[Extra]";
        	$def .= ",\n";
     }
     $def = ereg_replace(",\n$","", $def);
     $result = mysql_db_query($dbname, "SHOW KEYS FROM $table",$db);
     while($row = mysql_fetch_array($result)) {
          $kname=$row[Key_name];
          if(($kname != "PRIMARY") && ($row[Non_unique] == 0)) $kname="UNIQUE|$kname";
          if(!isset($index[$kname])) $index[$kname] = array();
          $index[$kname][] = $row[Column_name];
     }
     while(list($x, $columns) = @each($index)) {
          $def .= ",\n";
          if($x == "PRIMARY") $def .= "   PRIMARY KEY (" . implode($columns, ", ") . ")";
          else if (substr($x,0,6) == "UNIQUE") $def .= "   UNIQUE ".substr($x,7)." (" . implode($columns, ", ") . ")";
          else $def .= "   KEY $x (" . implode($columns, ", ") . ")";
     }

     $def .= "\n);";
     return (stripslashes($def));
}

function get_content($dbname, $table) {
     global $db;
     $content="";
     mysql_query("LOCK TABLES ".$table." WRITE");
     $result = mysql_db_query($dbname, "SELECT * FROM $table",$db);
     while($row = mysql_fetch_row($result)) {
         $insert = "INSERT INTO $table VALUES (";
         for($j=0; $j<mysql_num_fields($result);$j++) {
            if(!isset($row[$j])) $insert .= "NULL,";
            else if($row[$j] != "") $insert .= "'".addslashes($row[$j])."',";
            else $insert .= "'',";
         }
         $insert = ereg_replace(",$","",$insert);
         $insert .= ");\n";
         $content .= $insert;
     }
     mysql_query("UNLOCK TABLES");
     return $content;
}

?>
Return current item: Free PHP VX Guestbook