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Send email when invoice post is created. This uses a hook specific to the Advanced Custom Field plugin.
<?php //* Mind this opening PHP tag
/**
* Send an email to the invoice_client_email custom field in the Invoice post type
* The acf/save_post hook is specific to the Advanced Custom Fields plugin
*
* @author Ren Ventura
* @link http://www.engagewp.com/create-invoices-gravty-forms-wordpress
*/
//* Send a notice to the user when CPT is created
add_action( 'acf/save_post', 'send_invoice_notice', 20 );
function send_invoice_notice( $post_id ) {
if ( 'invoice' == get_post_type( $post_id ) ) {
// Get client's first name
$name = get_field( 'invoice_client_name', $post_id );
$first_name = explode( ' ', $name );
// Get client's email
$to = get_field( 'invoice_client_email', $post_id );
// Get invoice link with client's email passed as query string
$permalink = trailingslashit( get_permalink( $post_id ) ) . '?client_email=' . $to;
// Set email subject
$subject = 'Your EngageWP Service Invoice';
// Set email message
$message = 'Hi, ' . $first_name[0] . '. An invoice was just created and assigned to you on EngageWP. Click here to view invoice details: ' . $permalink;
// Send email
wp_mail( $to, $subject, $message );
}
}
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