The wc_order_email
class or function doesn't exist in WooCommerce, so I have updated your question.
What you are looking at is $email
variable argument (the WC_Email
current type object). It's mostly defined everywhere in templates and hooks.
To get the usable current Email ID as a variable you will simply use $email_id = $email->id
…
To get the current Email ID of your custom emails, you should use this code (just for testing):
add_action( 'woocommerce_email_order_details', 'get_the_wc_email_id', 9, 4 );
function get_the_wc_email_id( $order, $sent_to_admin, $plain_text, $email ) {
// Will output the email id for the current notification
echo '<pre>'; print_r($email->id); echo '</pre>';
}
Code goes in function.php file of your active child theme (or theme) or also in any plugin file.
Once you get the correct email ID slug for your custom email notification you can use it on any following hook (instead of overriding email templates):
• woocommerce_email_header
(2 arguments: $email_heading
, $email
)
• woocommerce_email_order_details
(4 arguments: $order
, $sent_to_admin
, $plain_text
, $email
)
• woocommerce_email_order_meta
(4 arguments: $order
, $sent_to_admin
, $plain_text
, $email
)
• woocommerce_email_customer_details
(4 arguments: $order
, $sent_to_admin
, $plain_text
, $email
)
• woocommerce_email_footer
(1 argument: $email
)
HERE an example of code where I target "New order" email notifications only:
add_action( 'woocommerce_email_order_details', 'add_custom_text_to_new_order_email', 10, 4 );
function add_custom_text_to_new_order_email( $order, $sent_to_admin, $plain_text, $email ) {
// Only for "New Order" email notifications (to be replaced by yours)
if( ! ( 'new_order' == $email->id ) ) return;
// Display a custom text (for example)
echo '<p>'.__('My custom text').'</p>';
}
Code goes in function.php file of your active child theme (or theme) or also in any plugin file.
Tested and works.