HTML:
<form id="form1" name="form1" method="post">
<div align="right" style="border-bottom:solid 1px lightgrey"><small>Last Edited From: <?= str_replace("~","", $a[0]);?></small> <input name="btnSave" type="submit" value="Save" disabled /></div>
<textarea name="txtData" id="txtData" style="width:100%;height:800px;border:none;overflow:auto; font-family: ‘Lucida Sans Unicode’, ‘Lucida Grande’, sans-serif" onkeyup="btnSave.disabled=”" ><?= ereg_replace("~[0-9]+.[0-9]+.[0-9]+.[0-9]+~","",$data) ?></textarea>
</form>
PHP:
<?php
<?php
$filename = "data.txt";
if (isset($_REQUEST["btnSave"])) {
$fp = fopen($filename,"w");
fwrite($fp,"~" . $_SERVER[’REMOTE_ADDR’] . "~");
fwrite($fp,$_REQUEST["txtData"]);
fclose($fp);
}
if (file_exists($filename)) {
$data = file_get_contents($filename);
}
ereg("~[0-9]+.[0-9]+.[0-9]+.[0-9]+~",$data, $a);
?>
?>
Note that I have not followed [...]