how to download a file using php?

127 New Member

this is my upload.php

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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">

<head>

<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />

<title>File Upload</title>

</head>

<?php
 
include('config.php');
 
?>

<body>

<?php

/*if ((($_FILES["file"]["type"] == "/doc")

|| ($_FILES["file"]["type"] == "image/jpeg")

|| ($_FILES["file"]["type"] == "image/pjpeg"))

&& ($_FILES["file"]["size"] < 66000))*/

if(($_FILES["file"]["size"] < 66000) && ($_FILES["file"]["type"] == "application/msword") )

  {

  if ($_FILES["file"]["error"] > 0)

    {

    echo "Return Code: " . $_FILES["file"]["error"] . "<br />";

    }

  else

    {

    echo "Upload: " . $_FILES["file"]["name"] . "<br />";

    echo "Type: " . $_FILES["file"]["type"] . "<br />";

    echo "Size: " . ($_FILES["file"]["size"] / 1024) . " Kb<br />";

    echo "Temp file: " . $_FILES["file"]["tmp_name"] . "<br />";
 
    if (file_exists("upload/" . $_FILES["file"]["name"]))

      {

      echo $_FILES["file"]["name"] . " already exists. ";

      }

    else

      {

      move_uploaded_file($_FILES["file"]["tmp_name"],

      "upload/" . $_FILES["file"]["name"]);

      echo "Stored in: " . "upload/" . $_FILES["file"]["name"];
 
        $filename = $_FILES["file"]["name"]; 

$filetype = $_FILES["file"]["type"];

$filesize = $_FILES["file"]["size"];

$tempfile = $_FILES["file"]["tmp_name"];
 
      $query="insert into resume_upload (name, type, size,tmp_name) values ( '$filename','$filetype','$filesize','$tempfile' )";
 
mysql_query($query);

$candidatename = $_POST['cname'];

$gender = $_POST['gen'];

$email = $_POST['email'];

$phone = $_POST['ph'];

$qualification = $_POST['qual'];

$experience = $_POST['exp'];

$skills = $_POST['skills'];

$industry =$_POST['indus'];
 
$query1="insert into candidate (cname, gen, email, ph, qual, exp, skills, indus, res_title ) values ( '$candidatename','$gender','$email','$phone' ,'$qualification','$experience','$skills','$industry','$filename' )";
 
mysql_query($query1);
 
echo "<br>";

echo "File Details stored in database";
 
      }
 
    }

  }

else

  {

  echo "Invalid file. Please Upload Word Document";

  }

;

?> 

</body>

</html>

document is succesfully uploading to a specific folder. now i want to download the document from that folder.

this is my search.php code

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<?php
 
include('lock.php');

include("config.php");
 
  $var = @$_GET['q'] ;

  $trimmed = trim($var); 
 
// rows to return

$limit=10; 
 
if ($trimmed == "")

  {

  echo "<p>Please enter a search...</p>";

  exit;

  }
 
/*if (!isset($var))

  {

  echo "<p>We dont seem to have a search parameter!</p>";

  exit;

  }*/
 
$query = "select * from candidate where cname like \"%$trimmed%\" ||  skills like \"%$trimmed%\" ||   exp like \"%$trimmed%\" || indus like \"%$trimmed%\" || qual like \"%$trimmed%\" ORDER BY cid ";
 
 $numresults=mysql_query($query);

 $numrows=mysql_num_rows($numresults);
 
if ($numrows == 0)

  {

  echo "<h4>Results</h4>";

  echo "<p>Sorry, your search: &quot;" . $trimmed . "&quot; returned zero results</p>";
 
 }
 
  if (empty($s)) {

  $s=0;

  }
 
  $query .= " limit $s,$limit";

  $result = mysql_query($query) or die("Couldn't execute query");
 
echo "<p>You searched for: &quot;" . $var . "&quot;</p>";
 
echo "Results";

echo "<br>";

$count = 1 + $s ;

echo "<center>";

echo "<table CELLPADDING=10 border =1 bgcolor='lightgrey'>";

echo "<tr>";

echo "<th>Candidate Name</th>";

echo "<th>Email Id</th>";

echo "<th>Qualification</th>";

echo "<th>Experience</th>";

echo "<th>Skills</th>";

echo "<th>Resume</th>";
 
  while ($row= mysql_fetch_array($result)) {

 ?>

   <tr>

             <td> <?php echo $row["cname"]; ?></td>

             <td><?php echo $row["email"]; ?></td>

             <td><?php echo $row["qual"]; ?></td>

             <td><?php echo $row["exp"]; ?></td>

             <td><?php echo $row["skills"]; ?></td>

             <td>

             <?php echo ( '<img src="download.gif" /><a href="download.php">Download</a>' ); ?>

             </td><td>

           <?php 

           /*$pid= '$_GET[pid]';

           echo ( '<img src="edit.ico" /><a href="download.php?pid=".$pid."\">Download</a>');*/?>

           </td>

</tr> 

<?php
 
  }
 
$currPage = (($s/$limit) + 1);
 
  echo "<br />";
 
  if ($s>=1) { 

  $prevs=($s-$limit);

  print "&nbsp;<a href=\"$PHP_SELF?s=$prevs&q=$var\">&lt;&lt; 

  Prev 10</a>&nbsp&nbsp;";

  }
 
  $pages=intval($numrows/$limit);
 
  if ($numrows%$limit) {
 
  $pages++;

  }
 
  if (!((($s+$limit)/$limit)==$pages) && $pages!=1) {
 
  $news=$s+$limit;
 
echo "&nbsp;<a href=\"$PHP_SELF?s=$news&q=$var\">Next &gt;&gt;</a>";

  }
 
$a = $s + ($limit) ;

  if ($a > $numrows) { $a = $numrows ; }

  $b = $s + 1 ;

  echo "<p>Showing results $b to $a of $numrows</p>";
 
?>
 
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">

<head>

<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />

<title>Search Results</title>

</head>
 
<body>

</body>

</html>

in this [code]echo ( '<img src="edit.ico" /><a href="download.php?pid=".$pid."\">download</a>');*/?>[code]
when i click this the download link it must download the
resume doc from 'upload' folder...

plz help?

Jul 29 '10 #1

Subscribe Reply

3407

johny10151981

1,059

Top Contributor

I developed this script to download CSV file from server (also i got suggestion from other site i cant recall the name)

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<?php
 
 if($_GET['filename']==NULL)

 {

  //print_r($_GET);

  error_mail($mail_to,"Unexpected page access above ".__LINE__." in File ".__FILE__,__LINE__." in ".__FILE__);//function to send error message to the developer

  echo "<message>file name missing </message>";

  exit;

 }
 
 $filename=$_GET['filename'];

// error_mail($mail_to,"filename is".$filename,__LINE__." in ".__FILE__);

 if(file_exists("csv_download/".$filename)==false)

 {

  error_mail($mail_to,"Unexpected file missing above ".__LINE__." in File ".__FILE__."\nMissing File Name: csv_download/".$filename,__LINE__." in ".__FILE__);

  echo "<message>file missing in the server</message>"; 

  exit;

 }
 
 $rfilename = realpath("csv_download/".$filename); //server specific
 
 $file_extension = strtolower(substr(strrchr($rfilename,"."),1));
 
 switch( $file_extension )

 {

  case "pdf": $ctype="application/pdf"; break;

  case "exe": $ctype="application/octet-stream"; break;

  case "zip": $ctype="application/zip"; break;

  case "doc": $ctype="application/msword"; break;

  case "xls": $ctype="application/vnd.ms-excel"; break;

  case "ppt": $ctype="application/vnd.ms-powerpoint"; break;

  case "gif": $ctype="image/gif"; break;

  case "png": $ctype="image/png"; break;

  case "jpe": case "jpeg":

  case "jpg": $ctype="image/jpg"; break;

  default: $ctype="application/force-download";

 }
 
 header("Pragma: public"); // required

 header("Expires: 0");

 header("Cache-Control: must-revalidate, post-check=0, pre-check=0");

 header("Cache-Control: private",false); // required for certain browsers

 header("Content-Type: $ctype");

 header("Content-Disposition: attachment; filename=".$filename.";" );

 header("Content-Transfer-Encoding: binary");

 header("Content-Length: ".@filesize($rfilename));

 @readfile("$rfilename");

 unlink($rfilename);            //to delete the file after dwonload

?>

hope this will help

Regards,
Johny

Jul 29 '10 #2

impin

127

New Member

@johny10151981
thanks buddy. its works. i am able to download the file. but i cant read the contents. when i try open the word document it shows an error msg " MS word needs a converter to display the file correctly".... why i am getting this msg....

Jul 29 '10 #3

johny10151981

1,059

Top Contributor

hard to explain without examine. Can you manually download the file and try to read?
Please also post the download link so that i can see what in side.

Jul 29 '10 #4

impin

127

New Member

@johny10151981
its just a simple word file. Resume Document... it contains only text...

Jul 29 '10 #5

impin

127

New Member

similarly i cant view the picture too...

No preview available... error.

but that word doc and image file are stored in the folder 'upload'. if i go to that folder and open those files it working. i can view the content.

if i download those file using php, then the downloaded files are not working.... i used the code what u have suggested above...

the word document is not a csv file... its a normal word document....

Jul 29 '10 #6

johny10151981

1,059

Top Contributor

I found the reason,
Give me time to sort it out :)

Jul 29 '10 #7

johny10151981

1,059

Top Contributor

Make sure the very first characters are
<?php

and the very last characters are
?>

And Make sure you didnt print any data anyway
no print_r or print or echo or anything otherwise your data must get destroyed

Jul 29 '10 #8

impin

127

New Member

@johny10151981
i used echo to just print an error mgs if the file not in the folder...

Jul 29 '10 #9

johny10151981

1,059

Top Contributor

There is space above your
<?php
or
after
?>

I have checked again. It download file very well

Jul 30 '10 #10

impin

127

New Member

this is my code download.php

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<?php

include('config.php');

$filename = @$_GET['id'] ;

  echo "$filename";
 
     if('$filename'==NULL)

     {

          echo "<message>file name missing </message>";

      exit;

     }
 
  if(file_exists("upload/".$filename)==false)

  {

    echo "<message>file missing in the server</message>"; 

    exit;

    }
 
  $rfilename = realpath("upload/".$filename); //server specific
 
  $file_extension = strtolower(substr(strrchr($rfilename,"."),1));
 
    switch( $file_extension )

    {

    case "pdf": $ctype="application/pdf"; break;

     case "exe": $ctype="application/octet-stream"; break;

     case "zip": $ctype="application/zip"; break;

    case "doc": $ctype="application/msword"; break;

   case "xls": $ctype="application/vnd.ms-excel"; break;

    case "ppt": $ctype="application/vnd.ms-powerpoint"; break;

    case "gif": $ctype="image/gif"; break;

     case "png": $ctype="image/png"; break;

     case "jpe": case "jpeg":

    case "jpg": $ctype="image/jpg"; break;

     default: $ctype="application/force-download";

    }
 
    header("Pragma: public"); // required

    header("Expires: 0");

    header("Cache-Control: must-revalidate, post-check=0, pre-check=0");

    header("Cache-Control: private",false); // required for certain browsers

    header("Content-Type: $ctype");

    header("Content-Disposition: attachment; filename=".$filename.";" );

    header("Content-Transfer-Encoding: binary");

    header("Content-Length: ".@filesize($rfilename));

  @readfile("$rfilename");

    //unlink($rfilename);            //to delete the file after dwonload

?>

Jul 30 '10 #11

impin

127

New Member

its now working buddy. thanks.
i used

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echo "$filename";

inside the code. thats why i am not getting the correct contents. i remove that code,now its working.... thank you!

Jul 30 '10 #12

johny10151981

1,059

Top Contributor

I can see there is 5 new line after your
?>
it would change the content of the file. to make sure check the file size in the server and the file size that you upload i guess you will get few bytes differetn

Jul 30 '10 #13

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