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<?php add_filter( 'em_booking_email_messages', 'disable_pdf_tickets_for_category_18', 999, 2 ); add_filter( 'em_multiple_booking_email_messages', 'disable_pdf_tickets_for_category_18', 999, 2 ); function disable_pdf_tickets_for_category_18( $messages, $EM_Booking ) { $EM_Event = $EM_Booking->get_event(); if ( ! $EM_Event || empty( $EM_Event->post_id ) ) { return $messages; } if ( has_term( 18, 'event-categories', $EM_Event->post_id ) && ! empty( $messages['user']['attachments'] ) ) { $messages['user']['attachments'] = array_values( array_filter( $messages['user']['attachments'], function( $attachment ) { return empty( $attachment['name'] ) || strpos( $attachment['name'], 'Tickets - ' ) === false; } ) ); } return $messages; }
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