engelsystem/includes/funktion_db.php

<?php
  if( !function_exists("db_query")) {
    function Ausgabe_Daten($SQL) {
      global $con;
      $Erg = mysql_query($SQL, $con); 

      echo mysql_error($con); 

      $Zeilen  = mysql_num_rows($Erg); 
      $Anzahl_Felder = mysql_num_fields($Erg); 

      $Diff  = "<table border=1>"; 
      $Diff .= "<tr>"; 

      for ($m = 0 ; $m < $Anzahl_Felder ; $m++) 
        $Diff .= "<th>". mysql_field_name($Erg, $m). "</th>"; 

      $Diff .= "</tr>"; 

      for ($n = 0 ; $n < $Zeilen ; $n++) { 
        $Diff .= "<tr>";

        for ($m = 0 ; $m < $Anzahl_Felder ; $m++) 
          $Diff .= "<td>".mysql_result($Erg, $n, $m). "</td>"; 

        $Diff .= "</tr>"; 
      } 

      $Diff .= "</table>"; 
      return $Diff; 
    }
  
    function db_querry_getDatenAssocArray($SQL) {
      global $con;
    
      $Erg = mysql_query($SQL, $con);
      echo mysql_error($con);
    
      $Daten = array();

      for( $i=0; $i<mysql_num_rows($Erg); $i++)
        $Daten[$i] = mysql_fetch_assoc($Erg);
    
      return $Daten;
    }

    function db_querry_diffDaten($Daten1, $Daten2) {
      $Gefunden = false;

      $Diff  = "\n<table border=1>\n";
      $Diff .= "<tr>\n<th>Feldname</th>\n<th>old Value</th>\n<th>new Value</th>\n";
      $Diff .= "</tr>\n";

      foreach($Daten1 as $DataKey => $Data1) {
        if(isset( $Daten2[$DataKey])) {
          $Data2 = $Daten2[$DataKey];

          foreach($Data1 as $key => $value)
            if( $value != $Data2[$key]) {
            $Gefunden = true;
            $Diff .= "<tr>\n<td>$key</td>\n<td>$value</td>\n<td>" . $Data2[$key] . "</rd>\n</tr>";
          }
        } else
          foreach($Data1 as $key => $value) {
            $Gefunden = true;
            $Diff .= "<tr>\n<td>$key</td>\n<td>$value</td>\n<td></rd>\n</tr>";
          }
      }

      $Diff .= "</table>\n";

      if($Gefunden)
        return $Diff;
      else
        return "\nno changes Fount\n";
    }

    function db_query( $SQL, $comment) {
      global $con, $Page;  
      $Diff = "";

      // commed anlyse udn daten sicherung
      if(strpos("#$SQL", "UPDATE") > 0) {
        // Tabellen name ermitteln
        $Table_Start = strpos( $SQL, "`");
        $Table_End = strpos( $SQL, "`", $Table_Start+1);
        $Table = substr( $SQL, $Table_Start, ($Table_End-$Table_Start+1));
      
      //SecureTest
      if( $Table_Start == 0 || $Table_End == 0) die("<h1>funktion_db ERROR SQL: '$SQL' nicht OK</h1>");
  
      //WHERE ermitteln
      $Where_Start = strpos( $SQL, "WHERE");
      $Where = substr( $SQL, $Where_Start);
      if( $Where_Start == 0)  $Where = ";"; 
    
      if( strlen( $Where) < 2)   
      {
        $Diff = "can't show, too mutch data (no filter was set)";
        $querry_erg = mysql_query($SQL, $con);
      }
      else
      {
        $Daten1 = db_querry_getDatenAssocArray( "SELECT * FROM $Table $Where");
          $querry_erg = mysql_query($SQL, $con);
        $Daten2 = db_querry_getDatenAssocArray( "SELECT * FROM $Table $Where");
        $Diff  = db_querry_diffDaten($Daten1, $Daten2);
      }
    }
    elseif( strpos( "#$SQL", "DELETE") > 0)
    {
      $TableWhere = substr( $SQL, 6);
      $Diff .= Ausgabe_Daten( "SELECT * $TableWhere");

      //execute command
      $querry_erg = mysql_query($SQL, $con);
    }
    elseif( strpos( "#$SQL", "INSERT") > 0)
    {
      //execute command
      $querry_erg = mysql_query($SQL, $con);
    }
    else
    {
      //execute command
      $querry_erg = mysql_query($SQL, $con);
    }

    $SQLCommand = "SQL:<br />". htmlentities( $SQL, ENT_QUOTES);
    if( strlen($Diff) > 0)
      $SQLCommand .= "<br /><br />Diff:<br />$Diff";

    $Commend = htmlentities( ($Page["Name"]. ": ". $comment), ENT_QUOTES);
    //LOG commands in DB
    $SQL_SEC =  "INSERT INTO `ChangeLog` ( `UID` , `SQLCommad` , `Commend` ) ".
        " VALUES ( '". $_SESSION['UID']. "', ".
            "'". mysql_escape_string( $SQLCommand). "', ".
            "'". mysql_escape_string( $Commend). "' );";
    $erg = mysql_query($SQL_SEC, $con);
    echo mysql_error($con);
    return $querry_erg;
  }//function db_query(
}

?>