Change Private Reference Number

This changes the Private Reference Number (Data in QR Code), less chance of getting double ID's and I think its more secure.

.gitignore

@@ -11,6 +11,7 @@ installed
 /composer.phar
 _ide_helper.php
 *.swp
+composer.lock
 
 # Do not include backup lang files
 resources/lang/*/[a-zA-Z]*20[0-9][0-9][0-1][0-9][0-3][0-9]_[0-2][0-9][0-5][0-9][0-5][0-9].php

app/Models/Attendee.php

@@ -3,6 +3,7 @@
 namespace App\Models;
 
 use Illuminate\Database\Eloquent\SoftDeletes;
+use Illuminate\Support\Str;
 
 /*
   Attendize.com   - Event Management & Ticketing
@@ -44,7 +45,7 @@ class Attendee extends MyBaseModel
         parent::boot();
 
         static::creating(function ($order) {
-            $order->private_reference_number = str_pad(random_int(0, pow(10, 9) - 1), 9, '0', STR_PAD_LEFT);
+            $order->private_reference_number = \Str::Random(10);
         });
     }
 

database/migrations/2019_04_05_180853_change_private_reference_number_column_type.php

@@ -0,0 +1,32 @@
+<?php
+
+use Illuminate\Support\Facades\Schema;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Database\Migrations\Migration;
+
+class ChangePrivateReferenceNumberColumnType extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::table('attendees', function ($t) {
+			$t->string('private_reference_number', 15)->change();
+		});
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::table('attendees', function ($t) {
+			$t->integer('private_reference_number')->change();
+		});
+    }
+}