blocks|key|4275745|text|字符串'PT1H8M21S'+it不是日期或时间。它是一个间隔(具体地说，它是一个DateInterval字符串表示)。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|4275746|您需要一个基线DateTime来添加该间隔。|4275747|试着按照这些思路做些事情|4275748|$interval+=+$dv+=+new+DateInterval('PT1H8M21S');+//the+value+you+get+from+the+url
$time+=+new+DateTime('2000-01-01');+//any+date+works+fine+here.+
++++++++++++++++++++++++++++++++++++//+Note:+Hours,+mins+and+seconds+==+0
$time->add($interval);
echo+$time->format('H:i:s');|code-block|syntax|javascript|4275749|首先，根据收到的字符串创建适当的DateInterval对象。|4275750|然后，创建基线DateTime对象。任何日期都可以，你只需要确保你有小时、分钟和秒(我假设间隔总是少于一整天)。|4275751|将间隔添加到基线日期，并根据需要回显小时、分钟和秒。|4275752|entityMap|0|LINK|mutability|MUTABLE|url|http://it2.php.net/manual/en/class.dateinterval.php^0|3|B|15|C|0|0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|12|8|@$9|13|A|14|B|C]]|D|@$9|15|A|16|1|17]]|E|$]]|$1|F|3|G|5|6|7|18|8|@]|D|@]|E|$]]|$1|H|3|I|5|6|7|19|8|@]|D|@]|E|$]]|$1|J|3|K|5|L|7|1A|8|@]|D|@]|E|$M|N]]|$1|O|3|P|5|6|7|1B|8|@]|D|@]|E|$]]|$1|Q|3|R|5|6|7|1C|8|@]|D|@]|E|$]]|$1|S|3|T|5|6|7|1D|8|@]|D|@]|E|$]]|$1|U|3|-4|5|6|7|1E|8|@]|D|@]|E|$]]]|V|$W|$5|X|Y|Z|E|$10|11]]]]

The string <code>'PT1H8M21S'</code> it's not a Date, or a Time. It's an interval (specifically, it's a <a href="http://it2.php.net/manual/en/class.dateinterval.php" rel="nofollow">DateInterval</a> string representation ).

You need a baseline DateTime to add that interval.

Try something along these lines

<pre><code>$interval = $dv = new DateInterval('PT1H8M21S'); //the value you get from the url
$time = new DateTime('2000-01-01'); //any date works fine here. 
 // Note: Hours, mins and seconds == 0
$time-&gt;add($interval);
echo $time-&gt;format('H:i:s');
</code></pre>

First, create the proper DateInterval object from the string you received.

Then, create a baseline DateTime object. Any date is ok, you just need to make sure that you have hours, minutes and seconds (I'm assuming that the interval will always be less than one full day.)

Add the interval to the baseline date and echo the hours, minutes and seconds as you wish.

blocks|key|847746|text|如果您认为1H8M21S表示1小时8分21秒，那么使用preg+macth获取这些值。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|847747|$str+=+'PT1H8M21S';preg_match('/PT(.%2B)H(.*)/',+$str,+$m);echo+$m[1];|code-block|syntax|javascript|847748|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

If you think that 1H8M21S means 1 Hour 8 minute &amp; 21 seconds then use preg macth to get the values.

<pre><code>$str = 'PT1H8M21S';preg_match('/PT(.+)H(.*)/', $str, $m);echo $m[1];
</code></pre>

blocks|key|841256|text|尝试像这样使用str_replace函数|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|841257|$time+=+"PT1H8M21S";
$time+=+str_replace("PT",+"",+$time);
$time+=+str_replace("H",+":",+$time);
$time+=+str_replace("M",+":",+$time);
$time+=+str_replace("S",+"",+$time);
echo+$time;|code-block|syntax|javascript|841258|如果您喜欢，也许可以在最后一个字符串中添加零填充|841259|entityMap|0|LINK|mutability|MUTABLE|url|http://si1.php.net/str_replace^0|7|B|0|0|0|0^^$0|@$1|2|3|4|5|6|7|S|8|@]|9|@$A|T|B|U|1|V]]|C|$]]|$1|D|3|E|5|F|7|W|8|@]|9|@]|C|$G|H]]|$1|I|3|J|5|6|7|X|8|@]|9|@]|C|$]]|$1|K|3|-4|5|6|7|Y|8|@]|9|@]|C|$]]]|L|$M|$5|N|O|P|C|$Q|R]]]]

Try to use <a href="http://si1.php.net/str_replace" rel="nofollow">str_replace</a> function like this

<pre><code>$time = "PT1H8M21S";
$time = str_replace("PT", "", $time);
$time = str_replace("H", ":", $time);
$time = str_replace("M", ":", $time);
$time = str_replace("S", "", $time);
echo $time;
</code></pre>

maybe you can add zero padding in your final string if you like it

blocks|key|847762|text|preg_match('/PT(.%2B)H(.%2B)M(.%2B)S$/',+$str,+$m3);+echo+$m3[1].":".$m3[2].":".$m3[3]|type|code-block|depth|inlineStyleRanges|entityRanges|data|syntax|javascript|847763|unstyled|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|G|8|@]|9|@]|A|$B|C]]|$1|D|3|-4|5|E|7|H|8|@]|9|@]|A|$]]]|F|$]]

<pre><code>preg_match('/PT(.+)H(.+)M(.+)S$/', $str, $m3); echo $m3[1].":".$m3[2].":".$m3[3]
</code></pre>

blocks|key|4275805|text|将$youtube_time更改为您的间隔变量|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4275806|$youtube_time+=+'PT1H8M21S';
$duration+=+new+DateInterval($youtube_time);
$videoDuration+=+(60+*+60+*+$duration->h)+%2B+(60+*+$duration->i)+%2B+$duration->s;
print+gmdate("H:i:s",+$videoDuration);|code-block|syntax|javascript|4275807|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

change $youtube_time to your interval variable

<pre><code>$youtube_time = 'PT1H8M21S';
$duration = new DateInterval($youtube_time);
$videoDuration = (60 * 60 * $duration-&gt;h) + (60 * $duration-&gt;i) + $duration-&gt;s;
print gmdate("H:i:s", $videoDuration);
</code></pre>

I am retrieving date from the url 
`

<pre><code>https://www.googleapis.com/youtube/v3/videos?part=snippet,contentDetails,statistics,status
&amp;videoSyndicated=true
&amp;type=video
&amp;id=CRvoJEqrYTY
&amp;key=AIzaSyD68YEP1N9J0-umFWuzMV3NEN3T5VBvoHo`
</code></pre>

as <code>PT1H8M21S</code>. How to convert it into <code>hh:mm:ss</code> using php

How to get date "hh:mm:ss" format using php

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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我正在从url检索日期`https://www.googleapis.com/youtube/v3/videos?part=snippet,contentDetails,statistics,status&videoSyndicated=true&type=video&id=CRvoJEqrYTY&key=AIzaSy...

问如何使用php获取日期"hh:mm:ss“格式
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问如何使用php获取日期"hh:mm:ss“格式EN