Will return true or false if a table exists or not $db is a mysqli db connection

Check if a table Exists PHP

<?php
function table_exists($table) {
	global $db;
	$sql = "SHOW TABLES LIKE '$table' ";
	$result = $db->query($sql);
	$num = 0;
	$num = mysqli_num_rows($result);
	if($num > 0) {
		return true;
	}
	return false;
}
?>