* sscanf.php
<?php
$ts = "2018-09-12T09:40:52.079Z";
list($Y, $m, $d, $H, $i, $s, $Z) = sscanf($ts, "%04d-%02d-%02dT%02d:%02d:%02d.%03dZ");
$datetime = sprintf("%04d-%02d-%02d %02d:%02d:%02d", $Y, $m, $d, $H, $i, $s);
echo $datetime.PHP_EOL;
* test
$ php sscanf.php
2018-09-12 09:40:52
* Function Synonym
mixed sscanf ( string $str
, string $format
[, mixed &$...
] )
http://php.net/manual/en/function.sscanf.php
string sprintf ( string $format
[, mixed $args
[, mixed $...
]] )
http://php.net/manual/en/function.sprintf.php
array list ( mixed $var1
[, mixed $...
] )
http://php.net/manual/en/function.list.php
string date ( string $format
[, int $timestamp
= time() ] )
http://php.net/manual/en/function.date.php
sql 创建索引
create index idx_warn_rule_id on warn(rule_id);
sql 创建字段唯一约束
create unique index uniq_config_name on config(name);