<?php | |
$mysql_checker = function(){ | |
$cfg = explode("\t", DB_CFG); | |
error_reporting(E_ERROR); | |
$try_num = 20; | |
$try_interval = 500000; // 0.5 sec | |
foreach(range(0, $try_num) as $times) | |
{ | |
$mysqli = new mysqli($cfg[2], $cfg[0], $cfg[1], $cfg[3]); | |
// connect fail | |
if($mysqli->connect_error) { | |
if($times === ($try_num - 1)) | |
{ | |
header($_SERVER['SERVER_PROTOCOL'] . ' 500 Internal Server Error', true, 500); | |
echo file_get_contents(ROOT_PATH . '/static/500.html'); | |
exit; | |
} | |
usleep($try_interval); | |
continue; | |
} | |
// connected | |
$mysqli->close(); | |
} | |
}; | |
$mysql_checker(); | |
unset($mysql_checker); |
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