blocks|key|2880319|text|正如注释中提到的，我认为在woocommerce_email_header钩子上没有使用条件逻辑的方法。您可以使用$header变量，但是它是一个长字符串，它可能会发生变化。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|2880320|首先，我们删除现有的电子邮件标题：|2880321|function+so_27400044_remove_email_header(){
++++remove_action(+'woocommerce_email_header',+array(+WC()->mailer(),+'email_header'+)+);
}
add_action(+'init',+'so_27400044_remove_email_header'+);|code-block|syntax|javascript|2880322|然后直接调用电子邮件模板中的特定标头模板。例如，在customer-invoice.php模板中，我们可以调用wc_get_template()直接加载适当/特定的标头。假设您复制了email-header.php模板，并将客户发票的名称重命名为email-header-invoice.php，则可能如下所示：|2880323|<?php
/**
+*+Customer+invoice+email
+*
+*+@author++++++WooThemes
+*+@package+++++WooCommerce/Templates/Emails
+*+@version+++++2.2.0
+*/

if+(+!+defined(+'ABSPATH'+)+)+{
++++exit;+//+Exit+if+accessed+directly
}

?>

<?php+do_action(+'woocommerce_email_header',+$email_heading+);+?>

<?php+wc_get_template(+'emails/email-header-invoice.php',+array(+'email_heading'+=>+$email_heading+)+)+;+?>

<?php+if+(+$order->has_status(+'pending'+)+)+:+?>|2880324|我的本地设置不发送电子邮件，所以我用以下方法进行了测试：|2880325|function+kia_testing(){+

$order=+wc_get_order(+381+);
++++++++ob_start();
++++++++wc_get_template(+'emails/customer-processing-order.php',+array(
++++++++++++'order'+++++++++=>+$order,
++++++++++++'email_heading'+=>+'some+title',
++++++++++++'sent_to_admin'+=>+false,
++++++++++++'plain_text'++++=>+true
++++++++)+);
++++++++echo+ob_get_clean();

}
add_action(+'woocommerce_before_single_product'+,+'kia_testing'+);|2880326|我看到修改后的customer-processing-order.php模板正在调用新的标头。|2880327|entityMap^0|D|O|1L|7|0|0|0|P|K|1J|H|2J|G|3F|O|0|0|0|0|7|T|0^^$0|@$1|2|3|4|5|6|7|Y|8|@$9|Z|A|10|B|C]|$9|11|A|12|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|13|8|@]|D|@]|E|$]]|$1|H|3|I|5|J|7|14|8|@]|D|@]|E|$K|L]]|$1|M|3|N|5|6|7|15|8|@$9|16|A|17|B|C]|$9|18|A|19|B|C]|$9|1A|A|1B|B|C]|$9|1C|A|1D|B|C]]|D|@]|E|$]]|$1|O|3|P|5|J|7|1E|8|@]|D|@]|E|$K|L]]|$1|Q|3|R|5|6|7|1F|8|@]|D|@]|E|$]]|$1|S|3|T|5|J|7|1G|8|@]|D|@]|E|$K|L]]|$1|U|3|V|5|6|7|1H|8|@$9|1I|A|1J|B|C]]|D|@]|E|$]]|$1|W|3|-4|5|6|7|1K|8|@]|D|@]|E|$]]]|X|$]]

As mentioned in the comments, I don't think there is a way to use conditional logic on the <code>woocommerce_email_header</code> hook. You could go by the <code>$header</code> variable, but it is kind of a long string and it could change.

First, we remove the existing email header:

<pre><code>function so_27400044_remove_email_header(){
 remove_action( 'woocommerce_email_header', array( WC()-&gt;mailer(), 'email_header' ) );
}
add_action( 'init', 'so_27400044_remove_email_header' );
</code></pre>

Then directly call the specific header template in your email template. For example, in the <code>customer-invoice.php</code> template, we can call <code>wc_get_template()</code> to directly load an appropriate/specific header. Assuming you've duplicated the <code>email-header.php</code> template and renamed the one for customer invoices to <code>email-header-invoice.php</code> it might look like this:

<pre><code>&lt;?php
/**
 * Customer invoice email
 *
 * @author WooThemes
 * @package WooCommerce/Templates/Emails
 * @version 2.2.0
 */

if ( ! defined( 'ABSPATH' ) ) {
 exit; // Exit if accessed directly
}

?&gt;

&lt;?php do_action( 'woocommerce_email_header', $email_heading ); ?&gt;

&lt;?php wc_get_template( 'emails/email-header-invoice.php', array( 'email_heading' =&gt; $email_heading ) ) ; ?&gt;

&lt;?php if ( $order-&gt;has_status( 'pending' ) ) : ?&gt;
</code></pre>

My local set up doesn't email so I've tested it with the following:

<pre><code>function kia_testing(){ 

$order= wc_get_order( 381 );
 ob_start();
 wc_get_template( 'emails/customer-processing-order.php', array(
 'order' =&gt; $order,
 'email_heading' =&gt; 'some title',
 'sent_to_admin' =&gt; false,
 'plain_text' =&gt; true
 ) );
 echo ob_get_clean();

}
add_action( 'woocommerce_before_single_product' , 'kia_testing' );
</code></pre>

I am seeing the new header being called by the modified <code>customer-processing-order.php</code> template.

blocks|key|1789257|text|我可以使用条件头使用did_action函数的email-header.php文件，以检查哪种类型的电子邮件被触发。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|1789258|您可以检查其类构造函数上的每封电子邮件的操作。每封电子邮件在woocommerce/includes/+email+/文件夹(即woocommerce/includes/emails/class-wc-email-customer-note.php+)上都有自己的类文件。在检查未由add_action触发的发票电子邮件和新用户电子邮件时，可以检查$order和$user_login变量：|1789259|if+(+0+<+did_action('woocommerce_order_status_pending_to_processing_notification')+%7C%7C+0+>=+did_action('woocommerce_order_status_pending_to_on-hold_notification')+)+{
++++//+your+specific+code+for+this+case+here;
}
else+if+(+0+<+did_action('woocommerce_new_customer_note_notification')+)+{
++++//+your+specific+code+for+this+case+here;
}
else+if+(+$order+)+{
++++echo+'aajast_woo_mail+7+=+++invoice+%2B+customer-invoice;+';
}
else+if+(+$user_login+)+{
++++//+your+specific+code+for+this+case+here;
};|code-block|syntax|javascript|1789260|entityMap|0|LINK|mutability|MUTABLE|url|https://codex.wordpress.org/Function_Reference/did_action^0|A|A|A|A|0|0|3X|A|4U|6|51|B|0|0^^$0|@$1|2|3|4|5|6|7|U|8|@$9|V|A|W|B|C]]|D|@$9|X|A|Y|1|Z]]|E|$]]|$1|F|3|G|5|6|7|10|8|@$9|11|A|12|B|C]|$9|13|A|14|B|C]|$9|15|A|16|B|C]]|D|@]|E|$]]|$1|H|3|I|5|J|7|17|8|@]|D|@]|E|$K|L]]|$1|M|3|-4|5|6|7|18|8|@]|D|@]|E|$]]]|N|$O|$5|P|Q|R|E|$S|T]]]]

I could use a condition header using <a href="https://codex.wordpress.org/Function_Reference/did_action" rel="nofollow"><code>did_action</code></a> function on email-header.php file in order to check which type of email was triggered.

You can check what are the actions for each email on their class constructors. Each email have it's own class file on woocommerce/includes/emails/ folder (i.e. woocommerce/includes/emails/class-wc-email-customer-note.php ). When checking for invoice email and new user emails, which are not triggered by <code>add_action</code>, you can check for <code>$order</code> and <code>$user_login</code> variables:

<pre><code>if ( 0 &lt; did_action('woocommerce_order_status_pending_to_processing_notification') || 0 &gt;= did_action('woocommerce_order_status_pending_to_on-hold_notification') ) {
 // your specific code for this case here;
}
else if ( 0 &lt; did_action('woocommerce_new_customer_note_notification') ) {
 // your specific code for this case here;
}
else if ( $order ) {
 echo '&lt;p&gt;aajast_woo_mail 7 = invoice + customer-invoice; &lt;/p&gt;';
}
else if ( $user_login ) {
 // your specific code for this case here;
};
</code></pre>

blocks|key|3304916|text|我认为最干净的方法是解除默认的电子邮件标题操作，并使您的自定义一个。如果你检查任何电子邮件模板，例如。/woocommerce/templates/emails/admin-new-order.php，您将在顶部看到它们已经将电子邮件对象作为第二个参数传递给操作，只有默认的WC挂钩不使用它：|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|3304917|+<?php+do_action(+'woocommerce_email_header',+$email_heading,+$email+);+?>|code-block|syntax|javascript|3304918|因此，在您的functions.php中，您可以这样做：|3304919|//+replace+default+WC+header+action+with+a+custom+one
add_action(+'init',+'ml_replace_email_header_hook'+);++++
function+ml_replace_email_header_hook(){
++++remove_action(+'woocommerce_email_header',+array(+WC()->mailer(),+'email_header'+)+);
++++add_action(+'woocommerce_email_header',+'ml_woocommerce_email_header',+10,+2+);
}

//+new+function+that+will+switch+template+based+on+email+type
function+ml_woocommerce_email_header(+$email_heading,+$email+)+{
++++//+var_dump($email);+die;+//+see+what+variables+you+have,+$email->id+contains+type
++++switch($email->id)+{
++++++++case+'new_order':
++++++++++++$template+=+'emails/email-header-new-order.php';
++++++++++++break;
++++++++default:
++++++++++++$template+=+'emails/email-header.php';
++++}
++++wc_get_template(+$template,+array(+'email_heading'+=>+$email_heading+)+);
}|3304920|如果您不需要切换整个文件，只需要对现有的标头进行小的更改，您可以将电子邮件类型参数传递到模板中，只需将底部的模板包含替换为：|3304921|wc_get_template(+$template,+array(+'email_heading'+=>+$email_heading,+'email_id'+=>+$email->id+)+);|3304922|然后在标题模板中使用它作为$email_id，例如：|3304923|<?php+if($email_id+==+'new_order'):+?>
++++<h2>Your+custom+subheader+to+appear+on+New+Order+notifications+only</h2>
<?php+endif+?>|3304924|entityMap^0|1F|1D|0|0|6|D|0|0|0|0|D|9|0|0^^$0|@$1|2|3|4|5|6|7|Y|8|@$9|Z|A|10|B|C]]|D|@]|E|$]]|$1|F|3|G|5|H|7|11|8|@]|D|@]|E|$I|J]]|$1|K|3|L|5|6|7|12|8|@$9|13|A|14|B|C]]|D|@]|E|$]]|$1|M|3|N|5|H|7|15|8|@]|D|@]|E|$I|J]]|$1|O|3|P|5|6|7|16|8|@]|D|@]|E|$]]|$1|Q|3|R|5|H|7|17|8|@]|D|@]|E|$I|J]]|$1|S|3|T|5|6|7|18|8|@$9|19|A|1A|B|C]]|D|@]|E|$]]|$1|U|3|V|5|H|7|1B|8|@]|D|@]|E|$I|J]]|$1|W|3|-4|5|6|7|1C|8|@]|D|@]|E|$]]]|X|$]]

I believe the cleanest approach is unbind the default email header action and make your custom one. If you check any of the email templates, eg.
<code>/woocommerce/templates/emails/admin-new-order.php</code> , you will see at the top that they already pass the email object as a second parameter to the action, just the default WC hooks don't use it:

<pre><code> &lt;?php do_action( 'woocommerce_email_header', $email_heading, $email ); ?&gt;
</code></pre>

So in your <code>functions.php</code> you can do this:

<pre><code>// replace default WC header action with a custom one
add_action( 'init', 'ml_replace_email_header_hook' ); 
function ml_replace_email_header_hook(){
 remove_action( 'woocommerce_email_header', array( WC()-&gt;mailer(), 'email_header' ) );
 add_action( 'woocommerce_email_header', 'ml_woocommerce_email_header', 10, 2 );
}

// new function that will switch template based on email type
function ml_woocommerce_email_header( $email_heading, $email ) {
 // var_dump($email); die; // see what variables you have, $email-&gt;id contains type
 switch($email-&gt;id) {
 case 'new_order':
 $template = 'emails/email-header-new-order.php';
 break;
 default:
 $template = 'emails/email-header.php';
 }
 wc_get_template( $template, array( 'email_heading' =&gt; $email_heading ) );
}
</code></pre>

If you don't need to switch whole file and just want a small change in existing header, you can pass the email type parameter into the template, just replace the bottom template inclusion by:

<pre><code>wc_get_template( $template, array( 'email_heading' =&gt; $email_heading, 'email_id' =&gt; $email-&gt;id ) );
</code></pre>

and then in your header template use it as <code>$email_id</code>, eg:

<pre><code>&lt;?php if($email_id == 'new_order'): ?&gt;
 &lt;h2&gt;Your custom subheader to appear on New Order notifications only&lt;/h2&gt;
&lt;?php endif ?&gt;
</code></pre>

blocks|key|2880415|text|我在插件https://wordpress.org/plugins/wc-multiple-email-recipients/中做了类似的事情。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|2880416|使用woocommerce_email_headers时，可以将ID和Header作为参数传递。|style|CODE|2880417|add_filter(+'woocommerce_email_headers',+'change_my_header_based_on_mail_type',+10,+2);

//+Pass+ID+and+header+as+arguments+which+is+in+the+scope+of+the+filter.+
//+The+ID+allows+us+to+identify+the+mail.+Header+allows+us+to+overwrite+the+header.+

function+change_my_header_based_on_mail_type(+$headers+=+'',+$id+=+'')+
{+++++++

++//+WooCommerce+core.+If+the+ID+for+notification+is+"New+Order"
++if+($id+==+'new_order')+
+++{

++++//append+the+following+to+the+header
++++$headers+.=+'My+custom+output+'+.+"\r\n";
++++//break;

+++}
++//+If+the+ID+for+notification+is+"Cancelled+Order"
++if+($id+==+'cancelled_order')+
+++{

++++//append+the+following+to+the+header
++++$headers+.=+'My+custom+output+'+.+"\r\n";
++++//break;
return+$headers;
}+|code-block|syntax|javascript|2880418|entityMap|0|LINK|mutability|MUTABLE|url|https://wordpress.org/plugins/wc-multiple-email-recipients/^0|4|1N|0|0|2|P|W|2|Z|6|0|0^^$0|@$1|2|3|4|5|6|7|U|8|@]|9|@$A|V|B|W|1|X]]|C|$]]|$1|D|3|E|5|6|7|Y|8|@$A|Z|B|10|F|G]|$A|11|B|12|F|G]|$A|13|B|14|F|G]]|9|@]|C|$]]|$1|H|3|I|5|J|7|15|8|@]|9|@]|C|$K|L]]|$1|M|3|-4|5|6|7|16|8|@]|9|@]|C|$]]]|N|$O|$5|P|Q|R|C|$S|T]]]]

I did something similar in my plugin <a href="https://wordpress.org/plugins/wc-multiple-email-recipients/" rel="nofollow noreferrer">https://wordpress.org/plugins/wc-multiple-email-recipients/</a>. 

When using <code>woocommerce_email_headers</code> you can pass <code>ID</code> and <code>Header</code> as arguments. 

<pre><code>add_filter( 'woocommerce_email_headers', 'change_my_header_based_on_mail_type', 10, 2);

// Pass ID and header as arguments which is in the scope of the filter. 
// The ID allows us to identify the mail. Header allows us to overwrite the header. 

function change_my_header_based_on_mail_type( $headers = '', $id = '') 
{ 

 // WooCommerce core. If the ID for notification is "New Order"
 if ($id == 'new_order') 
 {

 //append the following to the header
 $headers .= 'My custom output ' . "\r\n";
 //break;

 }
 // If the ID for notification is "Cancelled Order"
 if ($id == 'cancelled_order') 
 {

 //append the following to the header
 $headers .= 'My custom output ' . "\r\n";
 //break;
return $headers;
} 
</code></pre>

I use Woocommerce and I need to change email header according to its type, so that "customer-new-account.php", "customer-processing-order.php", "admin-new-order.php" (and so on)... they must have different header.

I've just copied woocommerce "emails" folder inside my child template and now I need to know how to make code changes.

Any help is appreciate. ;-)
Thanks in advance.

Woocommerce different headers for each email types

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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我使用Woocommerce，我需要根据电子邮件的类型更改电子邮件头，以便“Custome-new-Account.php”、“order.php”、"admin-new-order.php“(等等).他们肯定有不同的标题。我刚刚在子模板中复制了woocommerce的“电子邮件”文件夹，现在我需要知道如何进行代码更改...

问Woocommerce对每种电子邮件类型都有不同的标题
EN

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问Woocommerce对每种电子邮件类型都有不同的标题EN