pop-up not popping up
well i've fixed some of the bugs so now it uploads, i have two probs i cannot seem to get passed. one of them is that some pictures i upload dont seem to fully go over, only part of the picture. but the main prob is that the pop-up link i create does not pop-up. am i missing something?? here's the script that does it, or not as the case maybe. as always feel free to reply in danish.<?php
/*
-------------------Header------------------
Description:
Demonstrate how to upload a file and then later displaying a list of the
images already uploaded providing a link. this will open in a new window,
sized 800*650. This is done with Javascript.
----------------END OF HEADER----------------
*/
require_once("db.file");
/*
-Loop through all the uploaded files submitted
-Functions used:
-is_uploaded_file( string name ) : Returns TRUE if the file named by
filename was uploaded via HTTP POST.
-move_uploaded_file( string filename, string destination ) : This function
checks to ensure that the file designated by filename is a valid upload file (meaning
that the file was uploaded vis PHP's HTTP POST mechanism. If the file is valid,
it will be moved to the filename given by destination.
*/
function move_files()
{
global $HTTP_POST_FILES, $file_dir; // make the whole array global
$file_dir="/var/www/html/uploads/"; //path to upload dir
foreach ( $HTTP_POST_FILES as $file_name => $file_array )
{
if( is_uploaded_file ($file_array['tmp_name'] ) )
{
move_uploaded_file($file_array['tmp_name'], "$file_dir".$file_array['name'] );
}
}
}
/*
-This function takes care of inserting the new image and caption into
the images table
-Calls move_files() before inserting into table, better to have a stay image
with no entry in the table than having an entry in the table and no image to go
with it.
-Assumes that table "images" exsits
*/
function commit()
{
global $link, $img_name, $img_caption;
// this function take the current time in seconds from Epoch(Jan 1, 1970 00:00:00)
$time_stamp=time();
move_files();
//insert new row into images
$insert_query="INSERT INTO images (img_name, img_caption, date_auto) VALUES ('$img_name', '$img_caption', '$time_stamp')";
send_query($insert_query,$link);
}
/*
Some checking needs to be done here to make sure that these vars conatin a value.
can be done with Javascript (then no checking needs to be done here as then we are sure that
the vars contain something) field type script..
*/
$img_name = $HTTP_POST_FILES['imageupload'] ['name'];
$img_caption = $HTTP_POST_VARS['caption'];
echo 'img_name : '.$img_name;
echo '<br>img_caption : '.$img_caption;
//only commit this page has been submitted
if($HTTP_POST_FILES['imageupload']['name']!=NULL)
{
commit();
}
?>
<script language="javascript">
<!--
function showimage(image_loc)
{
window.open(image_loc, 'mainpage','toolbar=yes, location=no, directions=no, status=no,menubar=yes,scrollbars=yes,resizable=no, width=800, height=650');
}
//-->
</script>
<html>
<head>
<title>File uploading and displaying them</title>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
</head>
<body>
<form action="<?= $_SERVER['PHP_SELF'] ?>" method="POST" enctype="multipart/form-data" name="uploadform">
Image:<input type="file" name="imageupload"><br><br>
Caption: <input type="text" name="caption"><br><br>
<input type="submit" name="submit" value="Send Image">
</form>
<br>
<p>
Here's a list of all the images uploaded:
<?php
echo 'File Dir: '.$file_dir;
$query="SELECT * from images ORDER by date_auto DESC"; // newest reviews at top
$data=send_query($query, $link);
echo '<ol>'; // start ordered list
for ($i=0;$i < mysql_num_rows ($data);$i++)
{
//get all values needed for output
/*
function used : mysql_result (resource result, int row, mixed field)
mysql_result() returns the contents of one cell from a mysql result set.
The field argument can be fields offset, or the fields name, or the fields
tabel dot field name (tablename.fieldname) .
*/
$img_name = mysql_result($data, $i, "img_name" ) ;
$img_caption =mysql_result($data, $i, "img_caption") ;
$time = mysql_result($data, $i, "date_auto");
//if there are any newlines in the caption then convert these to <br> tags
$img_caption = nl2br ($img_caption);
// Create the output.
// OUTPUT: 1. link : <date><newline>bulletpoint>caption
// DATE FORMAT: Wed 19/02/03 12:53:16 AM format is created by date()
echo '<li><a href ="java script:showimage('.$file_dir.$img_name.') ">'.$img_name. '</a> added : '. date("D d/m/y h:i:s A", $time).'
<ul>
<il><em>'.$img_caption.'</em></il>
</ul>
<il><br>';
}
echo '</ol>'; // end ordered list
?>
</p>
</body>
</html>
