Schema::hasTable PHP Method

        public static function hasTable($table)
        {
            return \Illuminate\Database\Schema\MySqlBuilder::hasTable($table);
        }

 /**
  * Run the migrations.
  *
  * @return void
  */
 public function up()
 {
     if (!Schema::hasTable('insurance')) {
         Schema::create('insurance', function ($table) {
             $table->increments('insurance_id');
             $table->bigInteger('pid')->nullable();
             $table->bigInteger('address_id')->nullable();
             $table->string('insurance_plan_name', 255)->nullable();
             $table->string('insurance_order', 255)->nullable();
             $table->string('insurance_id_num', 255)->nullable();
             $table->string('insurance_group', 255)->nullable();
             $table->string('insurance_relationship', 255)->nullable();
             $table->string('insurance_copay', 255)->nullable();
             $table->string('insurance_deductible', 255)->nullable();
             $table->longtext('insurance_comments')->nullable();
             $table->string('insurance_plan_active', 255)->nullable();
             $table->string('insurance_insu_firstname', 255)->nullable();
             $table->string('insurance_insu_lastname', 255)->nullable();
             $table->string('insurance_insu_address', 255)->nullable();
             $table->string('insurance_insu_city', 255)->nullable();
             $table->string('insurance_insu_state', 255)->nullable();
             $table->string('insurance_insu_zip', 255)->nullable();
             $table->string('insurance_insu_phone', 255)->nullable();
             $table->dateTime('insurance_insu_dob')->nullable();
             $table->string('insurance_insu_gender', 255)->nullable();
         });
     }
 }