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<?php
function randomizeFileName( $real_file_name ) {
	$name_parts = @explode( ".", $real_file_name );
	$ext = "";
	if ( count( $name_parts ) > 0 ) {
		$ext = $name_parts[count( $name_parts ) - 1];
	}
	return substr(md5(uniqid(rand(),1)), -16) . "." . $ext;
}
?>