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WooCommerce - Unhook/Disable emails
/**
* Code goes in functions.php or a custom plugin.
*/
add_action( 'woocommerce_email', 'unhook_those_pesky_emails' );
function unhook_those_pesky_emails( $email_class ) {
/**
* Hooks for sending emails during store events
**/
remove_action( 'woocommerce_low_stock_notification', array( $email_class, 'low_stock' ) );
remove_action( 'woocommerce_no_stock_notification', array( $email_class, 'no_stock' ) );
remove_action( 'woocommerce_product_on_backorder_notification', array( $email_class, 'backorder' ) );
// New order emails
remove_action( 'woocommerce_order_status_pending_to_processing_notification', array( $email_class->emails['WC_Email_New_Order'], 'trigger' ) );
remove_action( 'woocommerce_order_status_pending_to_completed_notification', array( $email_class->emails['WC_Email_New_Order'], 'trigger' ) );
remove_action( 'woocommerce_order_status_pending_to_on-hold_notification', array( $email_class->emails['WC_Email_New_Order'], 'trigger' ) );
remove_action( 'woocommerce_order_status_failed_to_processing_notification', array( $email_class->emails['WC_Email_New_Order'], 'trigger' ) );
remove_action( 'woocommerce_order_status_failed_to_completed_notification', array( $email_class->emails['WC_Email_New_Order'], 'trigger' ) );
remove_action( 'woocommerce_order_status_failed_to_on-hold_notification', array( $email_class->emails['WC_Email_New_Order'], 'trigger' ) );
// Processing order emails
remove_action( 'woocommerce_order_status_pending_to_processing_notification', array( $email_class->emails['WC_Email_Customer_Processing_Order'], 'trigger' ) );
remove_action( 'woocommerce_order_status_pending_to_on-hold_notification', array( $email_class->emails['WC_Email_Customer_Processing_Order'], 'trigger' ) );
// Completed order emails
remove_action( 'woocommerce_order_status_completed_notification', array( $email_class->emails['WC_Email_Customer_Completed_Order'], 'trigger' ) );
// Note emails
remove_action( 'woocommerce_new_customer_note_notification', array( $email_class->emails['WC_Email_Customer_Note'], 'trigger' ) );
}
@thewaterbearer

Where does this code exactly go? Thanks

@aprea
aprea commented Jul 10, 2013
/**
* Code goes in functions.php or a custom plugin.
*/
@Drugoy
Drugoy commented Sep 20, 2016

Just a newbie user's review:

I have a webshop that works with only 1 payment type: cash on delivery. So all new orders get their status automatically changed from 'awaiting payment' to 'processing' which generates an email sent to the user.

And I needed to disable all other event hooks (that typically send more emails) except for this one. So I thought that commenting out line 16 would do the job, but it appeared that line 24 also needed to be commented out.

Also, seems like there exist more email-related hooks than the listed ones: woocommerce has more statuses then there are available on the order list page: if you go to a page of a specific order - you'll see 2 drop down lists that represent the order status. I don't know the difference between them, but they seem to have equal meaning yet they do not synchronize.

p.s.: wordpress 4.6.1, woocommerce 2.6.4.

@Drugoy
Drugoy commented Sep 20, 2016

p.p.s.: turns out there are GUI-settings to do the same: the page is located here: /wp-admin/admin.php?page=wc-settings&tab=email

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