PHP upload script
Mon, 05 Nov 2007 04:09:22
If you're after a php upload script with good instructions, try this page http://www.phpbuilder.com/columns/bealers20000904.php3 I've taken a copy of the code and put it at the bottom on this article if you're confident you can figure it out. Darren Beale has taken his time to put together some easy to follow instructions with clear explanations.
Cheers
Ryan Partington
<?php
$my_max_file_size = "102400"; # in bytes
$image_max_width = "300";
$image_max_height = "300";
$the_path = "/usr/local/apache/htdocs/sites/dev/phpbuilder/upload/files";
$registered_types = array(
"application/x-gzip-compressed" => ".tar.gz, .tgz",
"application/x-zip-compressed" => ".zip",
"application/x-tar" => ".tar",
"text/plain" => ".html, .php, .txt, .inc (etc)",
"image/bmp" => ".bmp, .ico",
"image/gif" => ".gif",
"image/pjpeg" => ".jpg, .jpeg",
"image/jpeg" => ".jpg, .jpeg",
"application/x-shockwave-flash" => ".swf",
"application/msword" => ".doc",
"application/vnd.ms-excel" => ".xls",
"application/octet-stream" => ".exe, .fla (etc)"
); # these are only a few examples, you can find many more!
$allowed_types = array("image/bmp","image/gif","image/pjpeg","image/jpeg");
# --
function form($error=false) {
global $PHP_SELF,$my_max_file_size;
if ($error) print $error . "<br><br>";
print "\n<form ENCTYPE=\"multipart/form-data\" action=\"" . $PHP_SELF . "\" method=\"post\">";
print "\n<INPUT TYPE=\"hidden\" name=\"MAX_FILE_SIZE\" value=\"" . $my_max_file_size . "\">";
print "\n<INPUT TYPE=\"hidden\" name=\"task\" value=\"upload\">";
print "\n<P>Upload a file";
print "\n<BR>NOTE: Max file size is " . ($my_max_file_size / 1024) . "KB";
print "\n<br><INPUT NAME=\"the_file\" TYPE=\"file\" SIZE=\"35\"><br>";
print "\n<input type=\"submit\" Value=\"Upload\">";
print "\n</form>";
} # END form
# --
if (!ereg("^4",phpversion())) {
function in_array($needle,$haystack) { # we have this function in PHP4, so for you PHP3 people
for ($i=0; $i < count($haystack); $i++) {
if ($haystack[$i] == $needle) {
return true;
}
}
}
}
# --
function validate_upload($the_file) {
global $my_max_file_size, $image_max_width, $image_max_height,$allowed_types,$the_file_type,$registered_types;
$start_error = "\n<b>Error:</b>\n<ul>";
if ($the_file == "none") { # do we even have a file?
$error .= "\n<li>You did not upload anything!</li>";
} else { # check if we are allowed to upload this file_type
if (!in_array($the_file_type,$allowed_types)) {
$error .= "\n<li>The file that you uploaded was of a type that is not allowed, you are only
allowed to upload files of the type:\n<ul>";
while ($type = current($allowed_types)) {
$error .= "\n<li>" . $registered_types[$type] . " (" . $type . ")</li>";
next($allowed_types);
}
$error .= "\n</ul>";
}
if (ereg("image",$the_file_type) && (in_array($the_file_type,$allowed_types))) {
$size = GetImageSize($the_file);
list($foo,$width,$bar,$height) = explode("\"",$size[3]);
if ($width > $image_max_width) {
$error .= "\n<li>Your image should be no wider than " . $image_max_width . " Pixels</li>";
}
if ($height > $image_max_height) {
$error .= "\n<li>Your image should be no higher than " . $image_max_height . " Pixels</li>";
}
}
if ($error) {
$error = $start_error . $error . "\n</ul>";
return $error;
} else {
return false;
}
}
} # END validate_upload
# --
function list_files() {
global $the_path;
$handle = dir($the_path);
print "\n<b>Uploaded files:</b><br>";
while ($file = $handle->read()) {
if (($file != ".") && ($file != "..")) {
print "\n" . $file . "<br>";
}
}
print "<hr>";
}
# --
function upload($the_file) {
global $the_path,$the_file_name;
$error = validate_upload($the_file);
if ($error) {
form($error);
} else { # cool, we can continue
if (!@copy($the_file, $the_path . "/" . $the_file_name)) {
form("\n<b>Something barfed, check the path to and the permissions for the upload directory</b>");
} else {
list_files();
form();
}
}
} # END upload
# --
############ Start page
print "<html>\n<head>\n<title>Upload example</title>\n</head>\n<body>";
switch($task) {
case 'upload':
upload($the_file);
break;
default:
form();
}
print "\n</body>\n</html>";
?>
Cheers
Ryan Partington
<?php
$my_max_file_size = "102400"; # in bytes
$image_max_width = "300";
$image_max_height = "300";
$the_path = "/usr/local/apache/htdocs/sites/dev/phpbuilder/upload/files";
$registered_types = array(
"application/x-gzip-compressed" => ".tar.gz, .tgz",
"application/x-zip-compressed" => ".zip",
"application/x-tar" => ".tar",
"text/plain" => ".html, .php, .txt, .inc (etc)",
"image/bmp" => ".bmp, .ico",
"image/gif" => ".gif",
"image/pjpeg" => ".jpg, .jpeg",
"image/jpeg" => ".jpg, .jpeg",
"application/x-shockwave-flash" => ".swf",
"application/msword" => ".doc",
"application/vnd.ms-excel" => ".xls",
"application/octet-stream" => ".exe, .fla (etc)"
); # these are only a few examples, you can find many more!
$allowed_types = array("image/bmp","image/gif","image/pjpeg","image/jpeg");
# --
function form($error=false) {
global $PHP_SELF,$my_max_file_size;
if ($error) print $error . "<br><br>";
print "\n<form ENCTYPE=\"multipart/form-data\" action=\"" . $PHP_SELF . "\" method=\"post\">";
print "\n<INPUT TYPE=\"hidden\" name=\"MAX_FILE_SIZE\" value=\"" . $my_max_file_size . "\">";
print "\n<INPUT TYPE=\"hidden\" name=\"task\" value=\"upload\">";
print "\n<P>Upload a file";
print "\n<BR>NOTE: Max file size is " . ($my_max_file_size / 1024) . "KB";
print "\n<br><INPUT NAME=\"the_file\" TYPE=\"file\" SIZE=\"35\"><br>";
print "\n<input type=\"submit\" Value=\"Upload\">";
print "\n</form>";
} # END form
# --
if (!ereg("^4",phpversion())) {
function in_array($needle,$haystack) { # we have this function in PHP4, so for you PHP3 people
for ($i=0; $i < count($haystack); $i++) {
if ($haystack[$i] == $needle) {
return true;
}
}
}
}
# --
function validate_upload($the_file) {
global $my_max_file_size, $image_max_width, $image_max_height,$allowed_types,$the_file_type,$registered_types;
$start_error = "\n<b>Error:</b>\n<ul>";
if ($the_file == "none") { # do we even have a file?
$error .= "\n<li>You did not upload anything!</li>";
} else { # check if we are allowed to upload this file_type
if (!in_array($the_file_type,$allowed_types)) {
$error .= "\n<li>The file that you uploaded was of a type that is not allowed, you are only
allowed to upload files of the type:\n<ul>";
while ($type = current($allowed_types)) {
$error .= "\n<li>" . $registered_types[$type] . " (" . $type . ")</li>";
next($allowed_types);
}
$error .= "\n</ul>";
}
if (ereg("image",$the_file_type) && (in_array($the_file_type,$allowed_types))) {
$size = GetImageSize($the_file);
list($foo,$width,$bar,$height) = explode("\"",$size[3]);
if ($width > $image_max_width) {
$error .= "\n<li>Your image should be no wider than " . $image_max_width . " Pixels</li>";
}
if ($height > $image_max_height) {
$error .= "\n<li>Your image should be no higher than " . $image_max_height . " Pixels</li>";
}
}
if ($error) {
$error = $start_error . $error . "\n</ul>";
return $error;
} else {
return false;
}
}
} # END validate_upload
# --
function list_files() {
global $the_path;
$handle = dir($the_path);
print "\n<b>Uploaded files:</b><br>";
while ($file = $handle->read()) {
if (($file != ".") && ($file != "..")) {
print "\n" . $file . "<br>";
}
}
print "<hr>";
}
# --
function upload($the_file) {
global $the_path,$the_file_name;
$error = validate_upload($the_file);
if ($error) {
form($error);
} else { # cool, we can continue
if (!@copy($the_file, $the_path . "/" . $the_file_name)) {
form("\n<b>Something barfed, check the path to and the permissions for the upload directory</b>");
} else {
list_files();
form();
}
}
} # END upload
# --
############ Start page
print "<html>\n<head>\n<title>Upload example</title>\n</head>\n<body>";
switch($task) {
case 'upload':
upload($the_file);
break;
default:
form();
}
print "\n</body>\n</html>";
?>
