PHP file upload example

gistfile1.phtml

<?php
error_reporting(E_ALL);
ini_set("display_errors", 1);
 
print_r($_FILES);
//What folder to save it in
$targetPath = "uploads/";
$allowed_three = array('pdf', 'doc', 'JPG','log', 'txt', 'wpd', 'wps', 'jpg', 'png', 'PEG', 'PNG');
$allowed_four = array('docx');
 
/*Build the stored file path*/
if ( ! isset( $_FILES['uploadedfile'] ) ) {
	die('No file set.');
}
$targetPath = $targetPath . basename($_FILES['uploadedfile']['name']);

if ($_FILES['uploadedfile']['size'] > 5700000 ) {
	die('The file is too big');
}
		
if ( ! in_array ( substr ( $_FILES['uploadedfile']['name'], -3 ), $allowed_three ) &&
		! in_array ( substr ( $_FILES['uploadedfile']['name'], -4 ), $allowed_four ) ) {
	die('You must upload a valid file type.');
}
		
/*upload and store*/
if ( move_uploaded_file( $_FILES['uploadedfile']['tmp_name'], $targetPath ) ) {
	echo "The file" . basename($_FILES['uploadedfile']['name']) . "has been uploaded";
} else {
	die('There was a problem uploading the file, please try again!');
} 
?>
<form enctype="multipart/form-data" action="upload_image.php" method="POST" >
<input type="hidden" name="MAX_FILE_SIZE" value="5200000" /><br>
Choose a file to upload <input accept="doc/docx" type="file" name="uploadedfile" /><br />
<input type="submit" value="Upload File" />
</form>
</body>
</html>