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an easy file upload script.
specify the filetypes allowed, the max filesize and the directory to upload the files.
<?php
// specify the directory where the uploaded file should end up
$path = 'upload/' ;
// specify the filetypes allowed
$allowed = array('image/gif','image/pjpeg','image/jpeg','image/png');
// specify the max filesize in bytes
$max_size = 200000;
if(isset($HTTP_POST_FILES['userfile']))
{
if(is_uploaded_file($HTTP_POST_FILES['userfile']['tmp_name']))
{
if($HTTP_POST_FILES['userfile']['size'] < $max_size)
{
if(in_array($HTTP_POST_FILES['userfile']['type'],$allowed))
{
if(!file_exists($path . $HTTP_POST_FILES['userfile']['name']))
{
if(@rename($HTTP_POST_FILES['userfile']['tmp_name'],$path.$HTTP_POST_FILES['userfile']['name']))
{
$html_output = 'Upload sucessful!<br>';
$html_output .= 'File Name: '.$HTTP_POST_FILES['userfile']['name'].'<br>';
$html_output .= 'File Size: '.$HTTP_POST_FILES['userfile']['size'].' bytes<br>';
$html_output .= 'File Type: '.$HTTP_POST_FILES['userfile']['type'].'<br>';
$image = $HTTP_POST_FILES['userfile']['name'] ;
}else{
$html_output = 'Upload failed!<br>';
if(!is_writeable($path))
{
$html_output = 'The Directory "'.$path.'" must be writeable!<br>';
}else{
$html_output = 'an unknown error ocurred.<br>';
}
}
}else{
$html_output = 'The file already exists<br>';
}
}else{
$html_output = 'Wrong file type<br>';
}
}else{
$html_output = 'The file is too big<br>';
}
}
}else{
$html_output = '<form method="post" enctype="multipart/form-data" action="'.$_SERVER['PHP_SELF'].'">';
$html_output .= '<input type="file" name="userfile">';
$html_output .= '<input type="submit" value="upload">';
$html_output .= '</form>';
}
echo '<html><head><title>Uploader</title></head><body>';
echo $html_output;
echo '</body></html>';
?>
learn more about some of the PHP functions used in this snippet: array, dir, echo, else, end, file, file_exists, filesize, filetype, for, in_array, is_uploaded_file, is_writeable, isset, max, rename
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