iupload.php

<?php

	$uploads_dir = 'elements/images/uploads';//specify the upload folder, make sure it's writable!
	$relative_path = 'images/uploads';//specify the relative path from your elements to the upload folder
	
	$allowed_types = array("image/jpeg", "image/gif", "image/png", "image/svg", "application/pdf");
	
	
	/* DON'T CHANGE ANYTHING HERE!! */
	
	$return = array();
	
	
	//does the folder exist?
	if( !file_exists( $uploads_dir ) ) {
	
		$return['code'] = 0;
		$return['response'] = "The specified upload location does not exist. Please provide a correct folder in /iupload.php";
		
		die( json_encode( $return ) );
	
	}	
	
	//is the folder writable?
	if( !is_writable( $uploads_dir ) ) {
	
		$return['code'] = 0;
		$return['response'] = "The specified upload location is not writable. Please make sure the specified folder has the correct write permissions set for it.";
		
		die( json_encode( $return ) );
	
	}

	if ( !isset($_FILES['imageFileField']['error']) || is_array($_FILES['imageFileField']['error']) ) {
	
		$return['code'] = 0;
		$return['response'] = "Something went wrong with the file upload; please refresh the page and try again.";
	
		die( json_encode( $return ) );
	
	} 
	
	$name = $_FILES['imageFileField']['name'];
	
	$file_type = $_FILES['imageFileField']['type'];
	
	
	if(in_array($file_type, $allowed_types)) {
	
		if (move_uploaded_file( $_FILES['imageFileField']['tmp_name'], $uploads_dir."/".$name ) ) {
	
			//echo "yes";
	
		} else {
		
			$return['code'] = 0;
			$return['response'] = "The uploaded file couldn't be saved. Please make sure you have provided a correct upload folder and that the upload folder is writable.";
	
		}
		
		//print_r ($_FILES);
	
		$return['code'] = 1;
		$return['response'] = $relative_path."/".$name;
	
	} else {
		
		$return['code'] = 0;
		$return['response'] = "File type not allowed";
		
	}

	

	echo json_encode( $return );

?>