PHP/Form/File Upload

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File Uploader

   <source lang="html4strict">

<html>

<head>
 <title>File Uploader</title>
</head>
<body>

File Upload

 Select a file to upload:
<form action="uploader.php" method="post" enctype="multipart/form-data"> <input type="file" name="file" size="45">
<input type="submit" value="Upload File"> </form> </body>

</html>

File: uploader.php

<?php

 if( $_FILES["file"]["name"] != "" )
 {
   copy ( $_FILES["file"]["tmp_name"], 
    "C:/Apache/htdocs/" . $_FILES["file"]["name"] ) 
   or die( "Could not copy file" );
 }
 else
 {
   die( "No file specified" );
 }

?> <html>

<head>
 <title>Upload complete</title>
</head>
<body>

File upload succeeded...

  • Sent: <?php echo $_FILES["file"]["name"]; ?>
  • Size: <?php echo $_FILES["file"]["size"]; ?> bytes
  • Type: <?php echo $_FILES["file"]["type"]; ?>
 <a href="<?php echo $_FILES["file"]["name"]; ?>">Click here to view file</a> 
</body>

</html>

 </source>
   
  


File Uploading Error Constants in PHP

   <source lang="html4strict">

UPLOAD_ERR_OK No error occurred.

UPLOAD_ERR_INI_SIZE The uploaded file exceeds the maximum value specified in the php.ini file.

UPLOAD_ERR_FORM_SIZE The uploaded file exceeds the maximum value specified by the MAX_FILE_SIZE hidden widget.

UPLOAD_ERR_PARTIAL The file upload was canceled and only part of the file was uploaded.

UPLOAD_ERR_NOFILE No file was uploaded.

 </source>
   
  


File Upload Script

   <source lang="html4strict">

<html>

<head>
<title>A File Upload Script</title>
</head>
<body>
<?php
if ( isset( $_FILES["fupload"] ) ) {
    print "name: ".     $_FILES["fupload"]["name"]       ."
"; print "size: ". $_FILES["fupload"]["size"] ." bytes
"; print "temp name: ".$_FILES["fupload"]["tmp_name"] ."
"; print "type: ". $_FILES["fupload"]["type"] ."
"; print "error: ". $_FILES["fupload"]["error"] ."
"; if ( $_FILES["fupload"]["type"] == "image/gif" ) { $source = $_FILES["fupload"]["tmp_name"]; $target = "upload/".$_FILES["fupload"]["name"]; move_uploaded_file( $source, $target );// or die ("Couldn"t copy"); $size = getImageSize( $target );
$imgstr = "

<img width=\"$size[0]\" height=\"$size[1]\" "; $imgstr .= "src=\"$target\" alt=\"uploaded image\" />

";
        print $imgstr;
    }
}
?>
<form enctype="multipart/form-data"
    action="<?php print $_SERVER["PHP_SELF"]?>" method="post">

<input type="hidden" name="MAX_FILE_SIZE" value="102400" /> <input type="file" name="fupload" />
<input type="submit" value="upload!" />

</form>
</body>
</html>
 
 </source>
   
  


Processing an uploaded file

   <source lang="html4strict">

<?php $maxsize=28480; if (!$HTTP_POST_VARS["submit"]) {

   $error=" ";

} if (!is_uploaded_file($HTTP_POST_FILES["upload_file"]["tmp_name"]) AND !isset($error)) {

   $error = "You must upload a file!

"; unlink($HTTP_POST_FILES["upload_file"]["tmp_name"]);

} if ($HTTP_POST_FILES["upload_file"]["size"] > $maxsize AND !isset($error)) {

   $error = "Error, file must be less than $maxsize bytes.

"; unlink($HTTP_POST_FILES["upload_file"]["tmp_name"]);

} if (!isset($error)) {

   move_uploaded_file($HTTP_POST_FILES["upload_file"]["tmp_name"],
                      "uploads/".$HTTP_POST_FILES["upload_file"]["name"]);
   print "Thank you for your upload.";
   exit;

} else {

   echo ("$error");

} ?> <html> <head></head> <body> <form action="<?php echo(htmlspecialchars($_SERVER["PHP_SELF"]))?>" method="post" enctype="multipart/form-data">

   Choose a file to upload:
<input type="file" name="upload_file" size="80">
<input type="submit" name="submit" value="submit">

</form> </body> </html>

 </source>
   
  


Simple File Upload Form

   <source lang="html4strict">

<html> <head> <title>A Simple File Upload Form</title> </head> <body> <form enctype="multipart/form-data"

  action="<?print $_SERVER["PHP_SELF"]?>" method="post">

<input type="hidden" name="MAX_FILE_SIZE" value="102400" /> <input type="file" name="fupload" />
<input type="submit" value="upload!" />

</form> </body> </html>

 </source>