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Some issues about time format in PHP

零下一度
零下一度Original
2017-06-23 14:53:591017browse

1. Convert the '2016-06-16' format to '20160616'

<span style="color: #0000ff">68069a9b524875bb8e0b153077f3ec33<br><br> $dateTime = explode('-', $params['txDate']);<br> $dateTime = $dateTime['0'].$dateTime['1'].$dateTime['2'];   var_dump($dateTime); //20160616<br></span>

2. By date YYYY-MM-DD format "2016-06-16 00:00:00 Query today’s content. Need to splice today’s starting time.

<?php
header("Content-type: text/html; charset=utf-8"); 
$txDate = &#39;2016-06-16&#39;;
$dateTime1 = strtotime($txDate);  //int 1466028000 将英文文本日期时间解析为 Unix 时间戳:
$dateTime2= date("Y-m-d H:i:s",$dateTime1); //string &#39;2016-06-16 00:00:00&#39; (length=19)  Date() 函数把时间戳格式化为更易读的日期和时间。

//拼接今日最后时间2016-06-16 23:59:59
$dateTime= date("Y-m-d H:i:s",strtotime(date("Y-m-d",strtotime($dateTime2))."+ 23 hours 59 minutes  59 seconds ")); //string &#39;2016-06-16 23:59:59&#39; (length=19)

$sql = select * form `vvt_user` where userid = 100 AND date_time >= $dateTime2 AND date_time <= $dateTime;?>

3. Query sql in php to convert the time into unix timestamp for comparison;

$sql .=   ' AND UNIX_TIMESTAMP(vvt_repayment.date) >= '.strtotime($day);
$sql .=   ' AND UNIX_TIMESTAMP(vvt_repayment.date) <= '.strtotime($endday);

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