mysql insert

	<?php
	$link = mysqli_connect("localhost", "root", "2224psss", "dialer");
	/* check connection */
	if (mysqli_connect_errno()) {
	printf("Connect failed: %s\n", mysqli_connect_error());
	exit();
	}
	$query = "INSERT INTO `audio` (`audio_id`, `audio_name`, `audio_desc`, `audio_path`, `audio_size`, `audio_date`)
	VALUES (NULL, 'audio_name', 'Audio desc', 'path', '100MB', CURRENT_TIMESTAMP)";
	if(mysqli_query($link, $query)) {
	printf ("New Record has id %d.\n", mysqli_insert_id($link));
	}
	else {
	printf("Error: %s\n", mysqli_error($link));
	}
	/* close connection */
	mysqli_close($link);
	?>