Dieser Commit ist enthalten in:
DSB
Commit
836c52e2e7
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<?
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////////////////////////
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// mySQL - Variablen
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$dbhost = 'localhost';
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$dbname = '';
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$dbuser = 'root';
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$dbpass = '';
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$nl="\n"; // neue Zeile-Code
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$anzahl_zeilen=3000; // Wieviele Zeilen sollen pro Aufruf gespeichert werden?
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$compression = 1; // Soll die Datei gepackt werden? Geht nur mit ZLib support, andernfalls auf 0 setzen
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$path="./"; // Wohin soll gespeichert werden ? Der Pfad ist relativ zum Scriptverzeichnis.
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///////////////////
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// Funktionen
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///////////////////
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function get_def($dbname, $table)
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{
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global $conn,$nl;
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$def = "";
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$def .= "DROP TABLE IF EXISTS $table;".$nl;
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$def .= "CREATE TABLE $table (".$nl;
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$result = mysql_db_query($dbname, "SHOW FIELDS FROM $table",$conn);
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while($row = mysql_fetch_array($result))
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{
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$def .= " $row[Field] $row[Type]";
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if ($row["Default"] != "") $def .= " DEFAULT '$row[Default]'";
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if ($row["Null"] != "YES") $def .= " NOT NULL";
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if ($row[Extra] != "") $def .= " $row[Extra]";
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$def .= ",".$nl;
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}
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$def = ereg_replace(",\n$","", $def);
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$result = mysql_db_query($dbname, "SHOW KEYS FROM $table",$conn);
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while($row = mysql_fetch_array($result))
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{
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$kname=$row[Key_name];
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if(($kname != "PRIMARY") && ($row[Non_unique] == 0)) $kname="UNIQUE|$kname";
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if(!isset($index[$kname])) $index[$kname] = array();
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$index[$kname][] = $row[Column_name];
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}
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while(list($x, $columns) = @each($index))
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{
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$def .= ",".$nl;
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if($x == "PRIMARY") $def .= " PRIMARY KEY (" . implode($columns, ", ") . ")";
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else if (substr($x,0,6) == "UNIQUE") $def .= " UNIQUE ".substr($x,7)." (" . implode($columns, ", ") . ")";
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else $def .= " KEY $x (" . implode($columns, ", ") . ")";
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}
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$def .= $nl.");".$nl;
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return (stripslashes($def));
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}
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function get_content($dbname, $table)
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{
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global $conn,$anzahl_zeilen,$table_offset,$zeilen_offset,$nl;
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$content="";
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$query="SELECT * FROM $table LIMIT $zeilen_offset,".($anzahl_zeilen+1);
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$result = mysql_db_query($dbname,$query,$conn);
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$ergebnisse=mysql_num_rows($result);
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if ($ergebnisse>$anzahl_zeilen)
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{
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$zeilen_offset=$zeilen_offset+$anzahl_zeilen;
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}
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else
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{
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$table_offset++;
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$zeilen_offset=0;
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}
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for ($x=0;$x<$ergebnisse;$x++)
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{
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$row=mysql_fetch_row($result);
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{
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$insert = "INSERT INTO $table VALUES (";
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for($j=0; $j<mysql_num_fields($result);$j++)
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{
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if(!isset($row[$j])) $insert .= "NULL,";
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else if($row[$j] != "") $insert .= "'".addslashes($row[$j])."',";
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else $insert .= "'',";
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}
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$insert = ereg_replace(",$","",$insert);
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$insert .= ");".$nl;
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$content .= $insert;
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}
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}
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return $content;
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}
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///////////////////////
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// Ende Funktionen
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///////////////////////
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if (!empty($_GET['table_offset'])) $table_offset=$_GET['table_offset'];
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else
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{
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$table_offset=0;
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// Seitenerstaufruf -> Backupdatei anlegen
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$cur_time=date("Y-m-d H:i");
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$newfile.="# Dumpi from ".$cur_time."\r\n";
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$fp = fopen ($path."backup.sql","wb");
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fwrite ($fp,$newfile);
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fclose ($fp);
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}
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if (!empty($_GET['zeilen_offset'])) $zeilen_offset=$_GET['zeilen_offset'];
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else $zeilen_offset=0;
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$conn = mysql_connect($dbhost,$dbuser,$dbpass) or die(mysql_error());
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if (!is_dir($path)) mkdir($path, 0777);
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if ($compression==1) $filetype = "sql.gz"; else $filetype = "sql";
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$tabellen = mysql_list_tables($dbname,$conn);
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$tables=ARRAY();
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while ($erg=mysql_fetch_row($tabellen)) { $tables[]=$erg[0]; }
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$anz=sizeof($tables);
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$tabellen = mysql_list_tables($dbname,$conn);
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$num_tables = @mysql_num_rows($tabellen);
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$newfile="";
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if ($table_offset < $num_tables)
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{
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$table = $tables[$table_offset];
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$newfile .= $nl."# ----------------------------------------------------------".$nl.$nl;
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$newfile .= "# structur for table '$table'\n#\n";
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$newfile .= get_def($dbname,$table);
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$newfile .= $nl.$nl;
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$newfile .= "#\n# data for table '$table'\n#\n";
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$newfile .= get_content($dbname,$table);
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$newfile .= $nl;
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}
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$fp = fopen ($path."backup.sql","ab");
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fwrite ($fp,$newfile);
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fclose ($fp);
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$sql="SELECT COUNT(*) AS anzahl FROM ".$tables[$table_offset];
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$res=mysql_query($sql);
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echo "<h1>Datenbank-Backup:</h1>";
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if ($res)
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{
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$row=mysql_fetch_object($res);
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$gesamt=intval($row->anzahl);
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if ($gesamt>0)
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{
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$fortschritt=round(((100*$zeilen_offset)/$gesamt),0);
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if ($anzahl_zeilen>=$gesamt) $fortschritt=100;
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}
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else $fortschritt=100;
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echo "Speichere Tabelle <b>".($table_offset)."</b> von <b>".sizeof($tables)."</b>";
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echo "<br>Tabelle: <b>$table</b><br>";
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echo "<br>Fortschritt Tabelle:<br>";
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echo "<table width=\"500\" border=\"1\"><tr>";
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echo "<td width=\"".$fortschritt."\" bgcolor=\"blue\"> </td>";
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echo "<td width=\"".(100-$fortschritt)."\"> </td>";
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echo "<td width=\"50\" align=\"center\">".($fortschritt)." %</td>";
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if ($anzahl_zeilen>=$gesamt)
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{
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$eintrag=$zeilen_offset;
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$zeilen_gesamt=$gesamt;
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if ($zeilen_gesamt==0) $eintrag=0;
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}
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else
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{
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$zeilen_gesamt=$zeilen_offset+$anzahl_zeilen;
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$eintrag=$zeilen_offset+1;
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}
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echo "<td>Eintrag <b>$eintrag</b> bis <b>".$zeilen_gesamt."</b> von <b>$gesamt</b></td>";
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echo "</tr></table>";
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$tabellen_gesamt=sizeof($tables);
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$noch_zu_speichern=$tabellen_gesamt-$table_offset;
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$prozent= ($gesamt>0) ? round(((100*$noch_zu_speichern)/$tabellen_gesamt),0) : 100;
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echo "<br>Fortschritt gesamt:<br>";
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echo "<table width=\"500\" border=\"1\"><tr>";
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echo "<td width=\"".(100-$prozent)."\" bgcolor=\"blue\"> </td>";
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echo "<td width=\"".$prozent."\" align=\"center\"> </td>";
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echo "<td width=\"50\">".(100-$prozent)." %</td>";
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echo "<td>Tabelle <b>$table_offset</b> von <b>$tabellen_gesamt</b></td>";
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echo "</tr></table>";
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}
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if ($table_offset<=$tabellen_gesamt)
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{
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echo "<script =\"javascript\">self.location=\"$PHP_SELF?";
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echo "table_offset=$table_offset&zeilen_offset=$zeilen_offset";
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echo "\"</script>";
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}
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else
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{
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echo "<br>Alles fertig!";
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echo "<br>Backupdatei wurde erfolgreich gespeichert.";
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if ($compression==1)
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{
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echo "<br>Die Datei wird nun komprimiert.";
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// liest den Inhalt einer Datei in einen String
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$backupdatei=$path."backup.sql";
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$handle = fopen ($backupdatei, "rb");
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$contents = fread ($handle, filesize ($backupdatei));
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fclose ($handle);
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// ungepackte, alte Datei loeschen
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if (file_exists($backupdatei))
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{
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if (unlink($backupdatei))
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{
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echo "<br>Die alte, ungepackte Datei wurde erfolgreich vom Server gelöscht!<br>";
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}
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}
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$fp = gzopen($backupdatei.".gz","w");
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gzwrite ($fp,$contents);
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gzclose ($fp);
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echo "<br>Datei wurde erfolgreich komprimiert.";
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echo "<br><br><a href=\"".$backupdatei.".gz\">Hier</a> kannst Du die Backupdatei nun herunterladen.";
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echo "<br><br>Beim nächsten Backup des Webspaces wird das Backup der Datenbank zu diesem ";
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echo "Zeitpunkt mit gespeichert.";
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}
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else
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{
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echo "<br><br><a href=\"".$path."backup.sql\">Hier</a> kannst Du die Backupdatei nun herunterladen.";
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}
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}
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?>
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