[英]If I have both the year and the week # (ISO-8601 week number of year) in PHP, how do I get a date?
例如,如果我有year = 2014和week#= 22,如何从中得到YYYY-mm-dd日期?
Use strtotime() , 使用strtotime() ,
$year = 2014;
$week = 9;
$date = strtotime($year."W".substr("0".$week, -2));
// e.g. strtotime("2014W09")
echo date("Y-m-d",$date);
Output: 输出:
2014-02-24
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