Php Programming Code Examples
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Super Simple Discussion 4 sysadmins
Super Simple Discussion 4 sysadmins
<?php
/*
A small board for communication between
sysadmins or such like.
The user is identified by $REMOTE_USER
If the user is identified then he/she can
delete his/her own messages.
$REMOTE_USER is an apache variable and can
be used. Or you can write a login script to
parse the variable.
*/
?>
<html>
<head>
</head>
<body>
<?
function date_str($timestamp) {
$date_str = getdate($timestamp);
$year = $date_str["year"];
$mon = $date_str["mon"];
$mday = $date_str["mday"];
$hours = $date_str["hours"];
$minutes = $date_str["minutes"];
$seconds = $date_str["seconds"];
return "$hours:$minutes:$seconds $mday/$mon/$year";
}
$message1 = "message1.txt";
$message2 = "message2.txt";
$message3 = "message3.txt";
$message4 = "message4.txt";
if ($deluser) {
copy("./blank.txt", "./$deluser.txt");
}
$message1fp = fopen("./message1.txt", "a+");
$message2fp = fopen("./message2.txt", "a+");
$message3fp = fopen("./message3.txt", "a+");
$message4fp = fopen("./message4.txt", "a+");
if ($postto == "message2") fwrite($message2fp, $posttext);
else if ($postto == "messagel") fwrite($message1fp, $posttext);
else if ($postto == "message3") fwrite($message3fp, $posttext);
else if ($postto == "message4") fwrite($message4fp, $posttext);
else echo "......";
if ($REMOTE_USER) echo "Welcome: $REMOTE_USER";
else echo "Welcome: Unknow person";
?>
<form method=post action="./post.php">
<table width=100% border=1>
<tr><td bgcolor=gray width=50%><font size=1><b>message2</b> - Last Modified <? echo date_str(filemtime($message2)); ?> <input type=radio name="postto" value="message2">
<td bgcolor=gray width=50%><font size=1><b>message3</b> - Last Modified <? echo date_str(filemtime($message3)); ?> <input type=radio name="postto" value="message3">
<tr><td><?
$lines = file($message2);
while (list($ElementIndexValue, $ElementContents) = each($lines))
{
echo $ElementContents."<br>";
}
?><td> <?
$lines = file($message3);
while (list($ElementIndexValue, $ElementContents) = each($lines))
{
echo $ElementContents."<br>";
}
?>
<tr><td bgcolor=gray width=50%><font size=1><b>message1</b> - Last Modified <? echo date_str(filemtime($message1)); ?> <input type=radio name="postto" value="message1">
<td bgcolor=gray width=50%><font size=1><b>message4</b> - Last Modified <? echo date_str(filemtime($message4)); ?> <input type=radio name="postto" value="message4">
<tr><td> <?
$lines = file($message1);
while (list($ElementIndexValue, $ElementContents) = each($lines))
{
echo $ElementContents."<br>";
}
?> <td> <?
$lines = file($message4);
while (list($ElementIndexValue, $ElementContents) = each($lines))
{
echo $ElementContents."<br>";
}
?>
</table>
<center>
<TEXTAREA name="posttext" cols=60 rows=15></TEXTAREA>
<br>
<input type=submit value="Post Message">
</form>
<p>
<form method=post action="./post.php">
<input type=hidden name="deluser" value="<? echo $REMOTE_USER; ?>">
<input type=submit value="Delete my messages">
</form>
<p>
<?
fclose($message1fp);
fclose($message2fp);
fclose($message4fp);
fclose($message3fp);
?>
</html>
