new methods

Author: lodev09

src/Util.php

@@ -904,6 +904,116 @@ public static function unzip($zip_file, $extract_path = null) {
         } return false;
     }
 
+    public static function format_phone($input) {
+        $clean_input = substr(preg_replace('/\D+/i', '', $input), -10);
+        if (preg_match('/^(\d{3})(\d{3})(\d{4})$/', $clean_input, $matches)) {
+            $result = '+1 ('.$matches[1].') '.$matches[2].'-'.$matches[3];
+            return $result;
+        }
+
+        return $input;
+    }
+
+    /**
+     * Obtain a brand constant from a PAN
+     * https://stackoverflow.com/a/21617574/3685987
+     *
+     * @param type $pan               Credit card number
+     * @param type $include_sub_types Include detection of sub visa brands
+     * @return string
+     */
+    public static function get_card_type($pan, $include_sub_types = false) {
+        $pan = preg_replace('/\D/i', '', $pan);
+        //maximum length is not fixed now, there are growing number of CCs has more numbers in length, limiting can give false negatives atm
+
+        //these regexps accept not whole cc numbers too
+        //visa
+        $visa_regex = '/^4[0-9]{0,}$/';
+        $vpreca_regex = '/^428485[0-9]{0,}$/';
+        $postepay_regex = '/^(402360|402361|403035|417631|529948){0,}$/';
+        $cartasi_regex = '/^(432917|432930|453998)[0-9]{0,}$/';
+        $entropay_regex = '/^(406742|410162|431380|459061|533844|522093)[0-9]{0,}$/';
+        $o2money_regex = '/^(422793|475743)[0-9]{0,}$/';
+
+        // MasterCard
+        $mastercard_regex = '/^(5[1-5]|222[1-9]|22[3-9]|2[3-6]|27[01]|2720)[0-9]{0,}$/';
+        $maestro_regex = '/^(5[06789]|6)[0-9]{0,}$/';
+        $kukuruza_regex = '/^525477[0-9]{0,}$/';
+        $yunacard_regex = '/^541275[0-9]{0,}$/';
+
+        // American Express
+        $amex_regex = '/^3[47][0-9]{0,}$/';
+
+        // Diners Club
+        $diners_regex = '/^3(?:0[0-59]{1}|[689])[0-9]{0,}$/';
+
+        //Discover
+        $discover_regex = '/^(6011|65|64[4-9]|62212[6-9]|6221[3-9]|622[2-8]|6229[01]|62292[0-5])[0-9]{0,}$/';
+
+        //JCB
+        $jcb_regex = '/^(?:2131|1800|35)[0-9]{0,}$/';
+
+        //ordering matter in detection, otherwise can give false results in rare cases
+        if (preg_match($jcb_regex, $pan)) {
+            return 'jcb';
+        }
+
+        if (preg_match($amex_regex, $pan)) {
+            return 'amex';
+        }
+
+        if (preg_match($diners_regex, $pan)) {
+            return 'diners_club';
+        }
+
+        //sub visa/mastercard cards
+        if ($include_sub_types) {
+            if (preg_match($vpreca_regex, $pan)) {
+                return 'v-preca';
+            }
+            if (preg_match($postepay_regex, $pan)) {
+                return 'postepay';
+            }
+            if (preg_match($cartasi_regex, $pan)) {
+                return 'cartasi';
+            }
+            if (preg_match($entropay_regex, $pan)) {
+                return 'entropay';
+            }
+            if (preg_match($o2money_regex, $pan)) {
+                return 'o2money';
+            }
+            if (preg_match($kukuruza_regex, $pan)) {
+                return 'kukuruza';
+            }
+            if (preg_match($yunacard_regex, $pan)) {
+                return 'yunacard';
+            }
+        }
+
+        if (preg_match($visa_regex, $pan)) {
+            return 'visa';
+        }
+
+        if (preg_match($mastercard_regex, $pan)) {
+            return 'mastercard';
+        }
+
+        if (preg_match($discover_regex, $pan)) {
+            return 'discover';
+        }
+
+        if (preg_match($maestro_regex, $pan)) {
+            if ($pan[0] == '5') {//started 5 must be mastercard
+                return 'mastercard';
+            }
+                return 'maestro'; //maestro is all 60-69 which is not something else, thats why this condition in the end
+
+        }
+
+        return 'unknown'; //unknown for this system
+    }
+
     /**
      * Create a compressed zip file
      * @param  array   $files       files (filename => file_location)