<?php
$startTime = microtime(true);

mysql_connect('localhost', 'php', 'php');
mysql_select_db('php_mysqltest');
$q = mysql_query('SELECT * FROM test');
$result = array();
while($row = mysql_fetch_assoc($q)) {
	$result[] = $row;
}
header('Content-Type: application/json');
echo json_encode($result);

$endTime = microtime(true);
echo 'Query took ', $endTime - $startTime, ' seconds';