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Hi, I am not a coder, but I have this issue with my ecommerce platform which is based on Prestashop. So could You please explain to me what is the purpose of this php script below? Whap is gonna to happen if I delete it (this script is giving me an error)? <?php $host = "http://localhost:8080"; $company = "BlueSky"; $email = "[email protected]"; $price = "1000"; $offerNumber = "958"; $description = "My invoice"; $street = "Baker street 221B"; $city = "London"; $ch = curl_init(); curl_setopt($ch, CURLOPT_USERPWD, "lisa.penvenen:mypass"); curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE); curl_setopt($ch, CURLOPT_HTTPAUTH, TRUE); $id = send($ch, $host, $company, $description, $price, $offerNumber, $street, $city); sendEmail($ch, $host, $company, $id, $email); curl_close($ch); function send($ch, $host, $company, $description, $price, $offerNumber, $street, $city) { curl_setopt($ch, CURLOPT_URL, $host . "/c/" . $company . "/invoice-issued.json"); curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "PUT"); $invoice = array( "winstrom" => array( "invoice-issued" => array( "documentType" => "code:INVOICE", "mine" => "code:WINSTROM", "description" => $popis, "total" => $price, "noItems" => "true", "offerNumber" => $offerNumber, "street" => $ulice, "city" => $mesto, ) ) ); curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($invoice)); $output = curl_exec($ch); if (curl_getinfo($ch, CURLINFO_HTTP_CODE) != 200 && curl_getinfo($ch, CURLINFO_HTTP_CODE) != 201) { printf("Error occurred during the operation (HTTP %d): %sn", curl_getinfo($ch, CURLINFO_HTTP_CODE), $output); } else { $id = get_id($output); printf("Success (1) s ID: %s <br/>", $id); return $id; } } function get_id($output) { $id = 0; $jsonIterator = new RecursiveIteratorIterator( new RecursiveArrayIterator(json_decode($output, TRUE)), RecursiveIteratorIterator::SELF_FIRST); foreach ($jsonIterator as $key => $val) { if (!is_array($val)) { if ('id' == $key) { $id = $val; } } } return $id; } function sendEmail($ch, $host, $company, $id, $email) { curl_setopt($ch, CURLOPT_URL, $host . "/c/" . $company . "/invoice-issued/" . $id . "/sending-documents.xml"); curl_setopt($ch, CURLOPT_POSTFIELDS, "to=" . $email . "&subject=Invoice"); curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "PUT"); $output = curl_exec($ch); if (curl_getinfo($ch, CURLINFO_HTTP_CODE) != 200 && curl_getinfo($ch, CURLINFO_HTTP_CODE) != 201) { printf("rror occurred during the operation (HTTP %d): %sn", curl_getinfo($ch, CURLINFO_HTTP_CODE), $output); } else { printf("Success (2)"); } } ?>