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<?php
include 'db.php';
 $db=DB::getInstance();
 
 //returns all table name in array
 $tables = $db->assoc_arr("SHOW TABLES");
 //print_r($tables);
 
 //function thats drop table
 
 function drop($table_name)
 {
 global $db;
 if($db->query("DROP TABLE `$table_name`")===TRUE)
 {
 return TRUE;
 }
 else
 {
 return FALSE;
 }
 }
 
 // get number of rows
 $num=$db->num_rows("select * from schedule where date='$today' and time='$time'");
 print_r($num);
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