Special Bank Transfer instructions for New Order emails no APG SMS (using the %bacs_instructions% tag on the sms template)

apg_sms_message_bank_transfer.php

<?php
	// Bank Transfer details
	add_filter('apg_sms_message', 'apg_sms_message_bank_transfer', 999, 2);
	function apg_sms_message_bank_transfer( $message, $order_id ) {
		$inst = '';
		$order = new WC_Order($order_id);
		$status = is_callable( array( $order, 'get_status' ) ) ? $order->get_status() : $order->status; //WC >=3.0 or older?
		//New order? (Not the English synthpop band...)
		if ( $status == 'on-hold' || $status == 'pending' ) {
			$payment_method = is_callable( array( $order, 'get_payment_method' ) ) ? $order->get_payment_method() : $order->payment_method; //WC >=3.0 or older?
			if ( $payment_method=='bacs' ) {
				if ( stristr( $message, '%bacs_instructions%' ) ) {
					$inst = '';
					$woocommerce_bacs_accounts = get_option( 'woocommerce_bacs_accounts' );
					if ( is_array( $woocommerce_bacs_accounts ) ) {
						foreach ( $woocommerce_bacs_accounts as $account ) {
							$inst = '
IBAN '.trim($account['iban']).'
BIC/SWIFT '.trim($account['bic']).'
Val. '.( is_callable( array( $order, 'get_total' ) ) ? $order->get_total() : $order->order_total ).'
Please send payment receipt: email@email.com';
							break; //Just the first bank account 
						}
					}
				}
			}
		}
		//Replace the tag (for other payment methods $inst will be blank, which it's exactly what we want)
		$message = str_replace( '%bacs_instructions%', $inst, $message );
		//Clear unecessary spaces
		$message = trim( preg_replace('/\s+/', ' ', $message) );
		//Return it
		return $message;
	}