Coupon validate methods

phpvalidate.php

<?php

namespace redeemFunctions;

class ValidateRedeem {

        /*
          GetWebContent (Verwendet CURL PHP modul)
          - ruft url auf -> JSON Rückgabe (JSON Decoder!)
          - 1. Param = URL
          - 2. Parm = Referenz fuer Statuscode
        */
        public function getWebContent( $url, &$status ){
                $jsonRetVal = '';

                //use curl libs to get json object -> fill into $jsonRetVal                 
                $ch = curl_init(); 

                //set url 
                curl_setopt( $ch, CURLOPT_URL, $url ); 

                //return the transfer as a string 
                curl_setopt( $ch, CURLOPT_RETURNTRANSFER, 1 ); 

                //$output contains the output string 
                $output = curl_exec( $ch ); 

                //convert otput as json
                $jsonRetVal = json_decode( $output );

                //close curl resource to free up system resources 
                curl_close( $ch );  

                //set statusReference by extracting status from json object
                if ( isset( $jsonRetVal->redeemUrl ) ) {
                        $status = true;
                } else {
                        $status = false;
                }
                
                return $jsonRetVal;
        }

        /*
          VaildateCoupons (Soll GetWebContent nutzen!)
          - Nimmt String entgegen mit Coupons (fb1123, ggs123456, 12346568, t5q6aw2v) 
          - Ruft Kiepenkerl UrL auf -> validate
          - Rueckgabe 2 Dim Array -> Pos "InvalidCodes" als Array mit Codes, Pos "ValidCodes" als assoc Array-> Key CouponCode mit Praefix, Value Redeem URL. 
        */
        public function validateCoupons( $coupons ){
                $invalidCodes = Array();
                $validCodes = Array();
                
                $requestedCode = strtok( $coupons, ',');

                while ($requestedCode !== false) {

                        $status = true; //true = valid, false = invalid

                        if($requestedCode){
                                
                                $url = 'http://renes-workstation.local/~r.veldink/Kiepenkerl2/public/coupon;validate?coupon=' . trim( $requestedCode );

                                $jsonReturn = $this->getWebContent( $url , $status);

                                if ( $status ) {

                                        if( isset( $jsonReturn->redeemUrl ) ) {
                                                $validCodes[ trim( $requestedCode ) ] = $jsonReturn->redeemUrl;
                                        } else {
                                                $validCodes[ trim( $requestedCode ) ] = null;
                                        }

                                } else {
                                        //$invalidCodes[ trim( $requestedCode ) ] = null;
                                        $invalidCodes[] = trim( $requestedCode ) ;
                                }

                        }

                        $requestedCode = strtok( ',');

                }

                return Array( 'invalidCodes' => $invalidCodes, 'validCodes' => $validCodes );
        }

}