blocks|key|4261859|text|这肯定不是最快或最聪明的答案，但阅读代码将是一种乐趣。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4261860|假设我们在A区发货：|4261861|$dates+=+array(
++++new+DateTime('next+monday'),+//+magic!
++++new+DateTime('next+wednesday'),
++++new+DateTime('next+friday'),
);

//+Seems+to+work+because+since+PHP+5.2.2+DateTime+objects
//+can+be+compared+with+the+<+and+>+operators++++
$shippingDate+=+min($dates);

echo+$shippingDate->format('Y-m-d');|code-block|syntax|javascript|4261862|你可能想看看PHP中可用的relative+date+formats，这就是“下周一”魔术发生的地方。有关可以使用$shippingDate执行哪些操作的信息，请参阅有关DateTime类的文档。|offset|length|style|CODE|4261863|更新|4261864|为了完整，这里是一个更老式的版本，它不需要PHP+5.3，也应该更快(尽管速度在这里实际上是无关紧要的)。我不太喜欢它，因为要验证它是否正常工作并不容易。与上面的版本相比，这个版本在我第一次写它的时候有一个bug。简单就是好的。|4261865|$today+=+date('w');

//+These+values+are+from+http://www.php.net/manual/en/function.date.php
$shippingDays+=+array(
++++1,+//+mon
++++3,+//+wed
++++5,+//+fri
);

//+Each+of+these+weekdays+is+how+many+days+into+the+future?
foreach($shippingDays+as+&$day)+{
++++$day+=+(7+%2B+$day+-+$today)+%25+7;
}

//+Get+the+earliest+one,+but+not+if+it's+today
//+array_filter+is+used+to+remove+a+possible+0
$daysInFuture+=+min(array_filter($shippingDays));
$shippingDate+=+new+DateTime('%2B'.$daysInFuture.'+days');
echo+$shippingDate->format('Y-m-d');|4261866|。|4261867|entityMap|0|LINK|mutability|MUTABLE|url|http://www.php.net/manual/en/datetime.formats.relative.php|1|http://www.php.net/manual/en/class.datetime.php^0|0|0|0|1L|D|2D|8|D|L|0|2D|8|1|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|16|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|17|8|@]|9|@]|A|$]]|$1|D|3|E|5|F|7|18|8|@]|9|@]|A|$G|H]]|$1|I|3|J|5|6|7|19|8|@$K|1A|L|1B|M|N]|$K|1C|L|1D|M|N]]|9|@$K|1E|L|1F|1|1G]|$K|1H|L|1I|1|1J]]|A|$]]|$1|O|3|P|5|6|7|1K|8|@]|9|@]|A|$]]|$1|Q|3|R|5|6|7|1L|8|@]|9|@]|A|$]]|$1|S|3|T|5|F|7|1M|8|@]|9|@]|A|$G|H]]|$1|U|3|V|5|6|7|1N|8|@]|9|@]|A|$]]|$1|W|3|-4|5|6|7|1O|8|@]|9|@]|A|$]]]|X|$Y|$5|Z|10|11|A|$12|13]]|14|$5|Z|10|11|A|$12|15]]]]

This will certainly not be the fastest or most clever answer, but it's going to be a pleasure to read the code.

Assuming we are shipping in zone A:

<pre><code>$dates = array(
 new DateTime('next monday'), // magic!
 new DateTime('next wednesday'),
 new DateTime('next friday'),
);

// Seems to work because since PHP 5.2.2 DateTime objects
// can be compared with the &lt; and &gt; operators 
$shippingDate = min($dates);

echo $shippingDate-&gt;format('Y-m-d');
</code></pre>

You might want to take a look at the <a href="http://www.php.net/manual/en/datetime.formats.relative.php" rel="nofollow">relative date formats</a> available in PHP, this is the part where the "next monday" magic happens. For information on what you can do with <code>$shippingDate</code>, see the documentation on class <a href="http://www.php.net/manual/en/class.datetime.php" rel="nofollow"><code>DateTime</code></a>.

<h2>Update</h2>

For completeness, here is a more old-school version which does not need PHP 5.3 and should also be faster (although speed is practically irrelevant here). I don't like it as much, because it's not easy to verify that it works correctly. In contrast to the version above, this one had a bug when I first wrote it. Simple is good.

<pre><code>$today = date('w');

// These values are from http://www.php.net/manual/en/function.date.php
$shippingDays = array(
 1, // mon
 3, // wed
 5, // fri
);

// Each of these weekdays is how many days into the future?
foreach($shippingDays as &amp;$day) {
 $day = (7 + $day - $today) % 7;
}

// Get the earliest one, but not if it's today
// array_filter is used to remove a possible 0
$daysInFuture = min(array_filter($shippingDays));
$shippingDate = new DateTime('+'.$daysInFuture.' days');
echo $shippingDate-&gt;format('Y-m-d');
</code></pre>

<a href="http://www.ideone.com/LNFBb" rel="nofollow">See it in action</a>.

blocks|key|3976750|text|$timestamp+=+strtotime('next+Monday');
$date++++++=+date('Y-m-d',+$timestamp);|type|code-block|depth|inlineStyleRanges|entityRanges|data|syntax|javascript|3976751|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>$timestamp = strtotime('next Monday');
$date = date('Y-m-d', $timestamp);
</code></pre>

blocks|key|3976765|text|试试这个：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3976766|//+Info
$date+=+array(date("d"),+date("m"),+date("Y"));
$zone+=+"A";
//+------

$zones+=+array("A"+=>+array(1+=>+"Monday",++++
++++++++++++++++++++++++++++3+=>+"Wednesday",+
++++++++++++++++++++++++++++5+=>+"Friday")+++++

++++++++++++++,"B"+=>+array(2+=>+"Tuesday",++++
++++++++++++++++++++++++++++4+=>+"Thursday",+++
++++++++++++++++++++++++++++6+=>+"Saturday"));+

$found+=+false;
$days_plus+=+1;+//+always+next+day

//+Retrieve+last+day+from+the+zone
end($zones[$zone]);
$last_day+=+key($zones[$zone]);

do+{
++++$mk+=+mktime(0,+0,+0,+$date[1],+($date[0]+%2B+$days_plus),+$date[2]);
++++$week+=+date("w",+$mk);

++++//+if+week+not+passed+last+day+of+zone
++++if+($week+<=+$last_day)
++++{
++++++++if+(!isset($zones[$zone][$week]))
++++++++{
++++++++++++$days_plus%2B%2B;
++++++++}
++++++++else
++++++++{
++++++++++++$found+=+true;
++++++++}
++++}
++++else
++++{
++++++++$days_plus%2B%2B;
++++}
}+while+(!$found);

echo+"Next+date:+"+.+date("d/m/Y+-+l",+$mk);|code-block|syntax|javascript|3976767|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|$]]

Try this:

<pre><code>// Info
$date = array(date("d"), date("m"), date("Y"));
$zone = "A";
// ------

$zones = array("A" =&gt; array(1 =&gt; "Monday", 
 3 =&gt; "Wednesday", 
 5 =&gt; "Friday") 

 ,"B" =&gt; array(2 =&gt; "Tuesday", 
 4 =&gt; "Thursday", 
 6 =&gt; "Saturday")); 

$found = false;
$days_plus = 1; // always next day

// Retrieve last day from the zone
end($zones[$zone]);
$last_day = key($zones[$zone]);

do {
 $mk = mktime(0, 0, 0, $date[1], ($date[0] + $days_plus), $date[2]);
 $week = date("w", $mk);

 // if week not passed last day of zone
 if ($week &lt;= $last_day)
 {
 if (!isset($zones[$zone][$week]))
 {
 $days_plus++;
 }
 else
 {
 $found = true;
 }
 }
 else
 {
 $days_plus++;
 }
} while (!$found);

echo "Next date: " . date("d/m/Y - l", $mk);
</code></pre>

Dates in PHP are a nightmare for me so please help me out fellow coders... I want to notify customers about the day their order will be delivered. It works like this:

I have 2 shipping zones, A &amp; B. Orders for zone A are delivered each Monday, Wednesday &amp; Friday, whereas zone B is on Tuesday, Thursday, Saturday. For each order, the delivery day is scheduled for the NEXT AVAILABLE day, depending on the zone. Please consider that if someone places an order on Monday the goods will be delivered on the NEXT available date, that would be Tuesday for zone B and Wednesday for zone A.

How can I calculate the NEXT AVAILABLE delivery date and notify the customer? 

Thanks.

How to find earliest upcoming date given a list of weekdays?

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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问如何在给定的工作日列表中找到最早即将到来的日期？EN