Keep $_FILES info after submit

[tail]

I'm trying to create a script to add music to a database. Currently I'm using ID3tag to get the ID3 information from the MP3. The way I have the form set up is like this:

When Auto-Fill is clicked, the script detects it and the ID3 information is echoed to the form, like this:

However, the file is obviously no longer in the input. I tried to overcome this by making a hidden form field with a value of $_FILES['file']['tmp_name'] but it didn't work. How can I overcome this? Thanks for any help in advance!

[RaythMistwalker]

if you show your code we should be able to help you better.

[tail]

if (!isset($_POST['submit'])) {
if (!isset($_POST['autofill'])) {
	echo '<span style="font-size:18pt"><a href="index.php">Administration Area</a> > <a href="music.php">Music</a> > Add</span></td></tr></table></div></td></tr><tr><td> </td></tr><tr><td align="center"><form enctype="multipart/form-data" action="music.php?act=add" method="post"><table align="center"><tr><td><span class="title">File</span></td><td><input type="file" name="file" /> <input type="submit" name="autofill" value="Auto-Fill"></td></tr><tr><td valign="top"><span class="title">Title</span></td><td><input type="text" name="title" style="width:347px;" maxlength="35" /></td></tr><tr><td valign="top"><span class="title">Artist</span></td><td><input type="text" name="artist" style="width:347px;" maxlength="35" /></td></tr><tr><td valign="top"><span class="title">Genre</span></td><td><input type="text" name="title" style="width:347px;" maxlength="30" /></td></tr><tr><td valign="top"><span class="title">Quality</span></td><td><input type="text" name="quality" style="width:347px;" maxlength="20" /></td></tr><tr><td valign="top"><span class="title">Length</span></td><td><input type="text" name="min" maxlength="2" size="1" />:<input type="text" name="sec" size="1" maxlength="2" /></td></tr><tr><td><span class="title">Comments</span></td><td><input type="checkbox" name="comments" value="1" checked /></td></tr><tr><td colspan="2" align="center"><input type="submit" name="submit" value="Add Song" /> <input type="reset" value="Clear" /></td></tr></table></form><center><a href="javascript:history.go(-1)">Go back</a></center>';
} else {
	require_once('/var/www/getid3/getid3.php');
	$getid3 = new getID3;
	$file=$_FILES['file']['tmp_name'];
	$id3 = $getid3->analyze($file);
	getid3_lib::CopyTagsToComments($id3);
	$cbr=($id3['audio']['bitrate_mode'] == 'cbr') ? ' CBR' : '';
	$id3['audio']['bitrate']=round($id3['audio']['bitrate']/1000).'kbps'.$cbr;
	$length=explode(':',$id3['playtime_string']);
	echo '<span style="font-size:18pt"><a href="index.php">Administration Area</a> > <a href="music.php">Music</a> > Add</span></td></tr></table></div></td></tr><tr><td> </td></tr><tr><td align="center"><form enctype="multipart/form-data" action="music.php?act=add" method="post"><table align="center"><tr><td><span class="title">File</span></td><td><input type="file" name="file" /> <input type="submit" name="autofill" value="Auto-Fill"></td></tr><tr><td valign="top"><span class="title">Title</span></td><td><input type="text" name="title" value="'.$id3['comments_html']['title'][0].'" style="width:347px;" maxlength="35" /></td></tr><tr><td valign="top"><span class="title">Artist</span></td><td><input type="text" name="artist" value="'.$id3['comments_html']['artist'][0].'" style="width:347px;" maxlength="35" /></td></tr><tr><td valign="top"><span class="title">Genre</span></td><td><input type="text" name="genre" value="'.$id3['comments_html']['genre'][0].'" style="width:347px;" maxlength="30" /></td></tr><tr><td valign="top"><span class="title">Quality</span></td><td><input type="text" name="quality" value="'.$id3['audio']['bitrate'].'" style="width:347px;" maxlength="20" /></td></tr><tr><td valign="top"><span class="title">Length</span></td><td><input type="text" name="min" size="1" maxlength="2" value="'.$length[0].'" />:<input type="text" name="sec" size="1" maxlength="2" value="'.$length[1].'" /></td></tr><tr><td><span class="title">Comments</span></td><td><input type="checkbox" name="comments" value="1" checked /></td></tr><tr><td colspan="2" align="center"><input type="hidden" name="tmp" value="'.$_FILES['file']['tmp_name'].'" /><input type="submit" name="submit" value="Add Song" /> <input type="reset" value="Clear" /></td></tr></table></form><center><a href="javascript:history.go(-1)">Go back</a></center>';
}
} else {
$comments = (isset($_POST['comments'])) ? '1' : '0';
$errors=0;
if (empty($_POST['title'])) {
	$errormsg='Fill in the "Title" field';
	$errors++;
} if (strlen($_POST['title']) > 35) {
	if ($errormsg) {
		$errormsg = $errormsg . '<br />Shorten the "Title" field to under 35 characters';
	} else {
		$errormsg = 'Shorten the "Title" field to under 35 characters';
	}
	$errors++;
} if (empty($_POST['genre'])) {
	if ($errormsg) {
		$errormsg = $errormsg . '<br />Add a genre';
	} else {
		$errormsg = 'Add a genre';
	}
	$errors++;
} if (strlen($_POST['genre']) > 30) {
	if ($errormsg) {
		$errormsg = $errormsg . '<br />Shorten the "Genre" field to under 30 characters';
	} else {
		$errormsg = 'Shorten the "Genre" field to under 30 characters';
	}
	$errors++;
} if (empty($_POST['min']) || empty($_POST['sec'])) {
	if ($errormsg) {
		$errormsg = $errormsg . '<br />Fill in both "Length" fields';
	} else {
		$errormsg = 'Fill in both "Length" fields';
	}
	$errors++;
} if (empty($_POST['quality'])) {
	if ($errormsg) {
		$errormsg = $errormsg . '<br />Add a quality';
	} else {
		$errormsg = 'Add a quality';
	}
	$errors++;
} if (strlen($_POST['quality']) > 20) {
	if ($errormsg) {
		$errormsg = $errormsg . '<br />Shorten the "Quality" field to under 20 characters';
	} else {
		$errormsg = 'Shorten the "Genre" field to under 20 characters';
	}
	$errors++;
} if (file_exists($_POST['tmp'])) {
	if (mime_content_type($_POST['tmp']) != 'audio/mpeg') {
		if ($errormsg) {
			$errormsg = $errormsg . '<br />The song must be a valid MP3';
		} else {
			$errormsg = 'The song must be a valid MP3';
		}
		$errors++;
	}
} else {
	if ($errormsg) {
		$errormsg = $errormsg . '<br />Could not locate song';
	} else {
		$errormsg = 'Could not locate song';
	}
	$errors++;
} if ($errors==0) {
	mysql_connect($dbhost,$dbusername,$dbuserpass) or die("Unable to connect to database");

	@mysql_select_db("music") or die("Unable to select database");
	$title = mysql_real_escape_string(ltrim(rtrim(htmlentities($_POST['title']))));
	$text = mysql_real_escape_string(ltrim(rtrim(nl2br(htmlentities(stripslashes($_POST['body']))))));
	//$query = mysql_query("INSERT INTO `tracks` VALUES('','".$_SESSION['id']."','".time()."','".$title."','".$text."','".$comments."')");
	if ($query) {
		echo '<span style="font-size:18pt"><a href="index.php">Administration Area</a> > <a href="music.php">Music</a> > Add</span></td></tr></table></div></td></tr><tr><td> </td></tr><tr><td align="center">The songs was posted successfully. The page should automatically refresh in 2 seconds. <a href="music.php">If not, click here</a><meta http-equiv="refresh" content="2;URL=music.php"></td></tr></table>';
	} else {
		echo '<span style="font-size:18pt"><a href="index.php">Administration Area</a> > <a href="music.php">Music</a> > Add</span></td></tr></table></div></td></tr><tr><td> </td></tr><tr><td align="center">There was an error adding your song. Please try again later. <a href="music.php">Go back</a></td></tr></table>';
	}
} else {
	$check = ($_POST['comments'] == 1) ? ' checked' : '';
	echo '<span style="font-size:18pt"><a href="index.php">Administration Area</a> > <a href="music.php">Music</a> > Add</span></td></tr></table></div></td></tr><tr><td> </td></tr><tr><td colspan="2" align="center">'.$errormsg.'</td></tr><tr><td align="center"><form enctype="multipart/form-data" action="music.php?act=add" method="post"><table align="center"><tr><td><span class="title">File</span></td><td><input type="file" name="file" /> <input type="submit" name="autofill" value="Auto-Fill"></td></tr><tr><td valign="top"><span class="title">Title</span></td><td><input type="text" name="title" style="width:347px;" value="'.$_POST['title'].'" maxlength="35" /></td></tr><tr><td valign="top"><span class="title">Artist</span></td><td><input type="text" name="artist" style="width:347px;" value="'.$_POST['artist'].'" maxlength="35" /></td></tr><tr><td valign="top"><span class="title">Genre</span></td><td><input type="text" name="title" style="width:347px;" value="'.$_POST['genre'].'" maxlength="30" /></td></tr><tr><td valign="top"><span class="title">Quality</span></td><td><input type="text" name="quality" style="width:347px;" value="'.$_POST['quality'].'" maxlength="20" /></td></tr><tr><td valign="top"><span class="title">Length</span></td><td><input type="text" name="min" size="1" value="'.$_POST['min'].'" maxlength="2" />:<input type="text" name="sec" size="1" value="'.$_POST['sec'].'" maxlength="2" /></td></tr><tr><td><span class="title">Comments</span></td><td><input type="checkbox" name="comments" value="1"'.$check.' /></td></tr><tr><td colspan="2" align="center"><input type="submit" name="submit" value="Add Song" /> <input type="reset" value="Clear" /></td></tr></table></form><center><a href="javascript:history.go(-1)">Go back</a></center>';
}
}

[PFMaBiSmAd]

The contents of the type='file' input box can ONLY BE SET by the browser. You cannot set it using javascript and you cannot set it using a value="..." attribute in the HTML.

 

IF you could do what you are attempting, it would result in the file being uploaded to the server twice.

[tail]

Ok. I don't know very much about AJAX, but is there a way the script could achieve the desired result using it?

[tail]

Is there a way that could work? Again, I don't know AJAX or how it works, but it seems that perhaps I could send the $_FILES['file']['tmp'] variable to an external script that gets the ID3 information from the ID3 class, and then returns the values to the form. Yes? No? Please help.