<?php
$datei = "daten.txt";
$fd = fopen ($datei, "r");
while (!feof ($fd)) 
{
$buffer2 = fgets($fd);
$lines12[] = $buffer2;
}
fclose ($fd);

$kount = count($lines12);
for ($i = 1; $i<=($kount - 2); $i++)
{
$zeilea2 = ($lines12[$i]);
$neu2 = $neu2.$zeilea2;
}
$neutxt12 = $newzeile2.$neu2;

// Eintrag speichern
$fp = fopen ($datei, "w");
fwrite ($fp, $neutxt12);
fclose ($fp);
?>