Create Sprout Invoices

sample_create_invoice.php

<?php

$line_items = array();
if ( !empty( $invoice_itemized_list ) ) {
	foreach ( $invoice_itemized_list as $key => $item ) {
		$line_items[] = array( 
			'rate' => ( isset( $item['price'] ) ) ? $item['price'] : '',
			'qty' => ( isset( $item['quantity'] ) ) ? $item['quantity'] : '',
			'desc' => ( ! isset( $item['description'] ) || ! isset( $item['name'] ) ) ? "missing name or description" : '<strong>'.$item['name'].'</strong><br/>'.$item['description'],
			'type' => 'task', // task, service, product, or time
			'total' => ( isset( $item['line_total_after_tax'] ) ) ? $item['line_total_after_tax'] : '',
			'tax' => ( isset( $item['tax_rate'] ) ) ? $item['tax_rate'] : '',
			);
	}
}
$invoice->set_line_items( $line_items );