PDF Voucher code for 4272

woo_vou_unlimited_code_pattern_modification

<?php 

//Change voucher code to order number and 3-digit random number
function woo_vou_unlimited_code_pattern_modification( $voucodes_args = array() ) {

	if( !empty( $voucodes_args ) && array_key_exists( 'order_id', $voucodes_args ) ) {

		$digits = 3; // Amount of digits
		
		$min = pow(10, $digits - 1 );
		$max = pow(10, $digits ) - 1;
		
		$value = rand($min, $max);
		
		$value = str_shuffle($value);

	    $order_number = get_post_meta( $voucodes_args['order_id'], '_order_number', true );
	    if ( !empty($order_number) ) {

			$voucode_args['order_id'] = $order_number.$value;
	      // $voucode_args['order_id'] = $order_number.str_pad(rand(0, pow(10, $digits)-1), $digits, '0', STR_PAD_LEFT);
	    } else {
	    	
	    	$voucode_args['order_id'] = $voucodes_args['order_id'].$value;
		    //$voucode_args['order_id'] = $voucodes_args['order_id'].str_pad(rand(0, pow(10, $digits)-1), $digits, '0', STR_PAD_LEFT);
	    }

	}

	return $voucode_args;
}
add_filter( 'woo_vou_unlimited_code_pattern', 'woo_vou_unlimited_code_pattern_modification' );