Zapisywanie do pliku Opcje

[alchemic]

Witam

mam taki problem:
mam scrypt komentarzy i dziala poprawnie wszystko tylko che by zapisywal/odczytywal komentarze w ten sposob by najstarsze byly na koncu a nowe na poczatku... co mam w nim zmienic ?

[php:1:d4a2961296]
<?
$DATADIR="data/";
$FORMAT="<TABLE align="center" WIDTH=95% cellspacing=6 style="border-collapse: collapse" bordercolor="#6585A1" bgcolor="#6585A1" cellpadding="0" border="0">
<TR bgcolor="#6585A1" ><TD bgcolor="#6585A1"><b>
<font face="Verdana" size="1" color="#FFCC00">%imie% </font></b>
<font face="Verdana" size="1" color="#111111">|</font><font face="Verdana" size="1" color="#800000"><b> </b></font><font face="Verdana">
<span style="font-size: 7pt">%data%</span></font></TD>
</TR><TR>
<TD bgcolor="#6585A1"><font face="Verdana" color="#d8e6f1" style="font-size: 9pt">%tekst%</font></TD></TR><TR>
<TD bgcolor="#6585A1"><font color="#ffffff">_______________________________</font></TD></TR></TABLE></div>";

$commentID="a$commentID";

function displayComments()
{
global $commentID, $start, $DATADIR, $FORMAT;

if(strstr($commentID, "/"))
return;

if(!file_exists($DATADIR.$commentID))
return;

$file=fopen($DATADIR.$commentID, "r");
flock($file, 1);

$i=0;

while(!feof($file))
{
$imie=chop(fgets($file, 1000));
$email=chop(fgets($file, 1000));
$data=chop(fgets($file, 1000));
$comment=chop(fgets($file, 100000));

if(feof($file))
break;

$display=$FORMAT;

if($email)
$mailto="<A HREF="mailto:$email">$email</A>";

$display=str_replace("%imie%", $imie, $display);
$display=str_replace("%email%", $mailto, $display);
$display=str_replace("%data%", $data, $display);
$display=str_replace("%tekst%", $comment, $display);

echo($display);

$i++;
}

flock($file, 3);
fclose($file);
}

function displayForm()
{
global $REQUEST_URI;
$len=strlen($REQUEST_URI)-strlen(strchr($REQUEST_URI, "?"));
$url=substr($REQUEST_URI, 0, $len);
?>
<FORM ACTION="panel_admina.php?id=2121" METHOD=POST>
<p>
<INPUT TYPE=HIDDEN NAME=COMMENTACTION VALUE=add>
</p>
<p>
<TABLE width="487">
</p>
<TR>
<TD><table width="90%" border="0" align="center">
<tr>
<td><b><font color="#003366" size="1" face="Verdana">Kto:</font></b></td>
<td><font face="Verdana" size="1" color="#003366"><b>
<input name=f_imie size=35 style="font-family: Verdana; font-size: 10pt; border: 1px solid #DCDEDF; padding-left: 4; padding-right: 4; padding-top: 1; padding-bottom: 1; background-color: #7A97AF">
</b></font></td>
</tr>
<tr>
<td width="9%"><b><font color="#003366" size="1" face="Verdana">Wpis:</font></b></td>
<td width="91%"><font face="Verdana" size="1" color="#003366"><b>
<textarea name="f_tresc" cols="40" rows="3" style="font-family: Verdana; font-size: 10pt; color: #000000; border: 1px solid #DCDEDF; padding-left: 4; padding-right: 4; padding-top: 1; padding-bottom: 1; background-color: #7A97AF"></textarea>
</b></font></td>
</tr>
<tr>
<td>&nbsp;</td>
<td><input name="SUBMIT" type=submit value="Dodaj" style="font-family: Verdana; font-size: 10px; color: #FFFFFF; font-weight: bold; border: 1px solid #FFFFFF; padding-left: 4; padding-right: 4; padding-top: 1; padding-bottom: 1; background-color: #003366"></td>
</tr>
</table> <b></b></TD>
<TD><font face="Verdana" size="1" color="#003366"><b>
</b></font></TD>
<TR>
<TD>&nbsp;</TD>
<TD>&nbsp;</TD>
<TR>
<TD></TD>
<TD>&nbsp; </TD>
</FORM>
<div align="center">
<?
}

if($COMMENTACTION=="add")
{
$file=fopen($DATADIR.$commentID, "a");
flock($file, 2);

$f_tresc=str_replace("n", "<BR>", $f_tresc);
$f_tresc=str_replace("r", "", $f_tresc);
$f_imie=str_replace("n", "<BR>", $f_imie);
$f_imei=str_replace("r", "", $f_imie);
$f_email=str_replace("n", "<BR>", $f_email);
$f_email=str_replace("r", "", $f_email);

fputs($file, $f_imie);
fputs($file, "n");
fputs($file, $f_email);
fputs($file, "n");
fputs($file, date("H:i d-m-Y"));
fputs($file, "n");
fputs($file, $f_tresc);
fputs($file, "n");

flock($file, 3);
fclose($file);
}

?>
</div>

[/php:1:d4a2961296]

[alchemic]

r - tryb odczytu - otwarcie pliku do odczytu, zaczynając od początku pliku

a - tryb dodawania - otwarcie pliku do dodawania zawartości, począwszy od końca istniejącej

chodzi mi by tak ustawic parametry by bylo zapisywane od poczatki pliku cos tak pustawialem ale kasowal mi poprzedie wpisy...