drop column in laravel migration if exists code example

Example 1: laravel drop column if exists

if (Schema::hasColumn('users', 'phone')) {
 	Schema::table('users', function (Blueprint $table){
       $table->dropColumn('phone');
    });
}

Example 2: drop column migration laravel

Class RemoveCommentViewCount extends Migration
  {
      public function up()
      {
          Schema::table('articles', function($table) {
             $table->dropColumn('comment_count');
             $table->dropColumn('view_count');
          });
      }

      public function down()
      {
          Schema::table('articles', function($table) {
             $table->integer('comment_count');
             $table->integer('view_count');
          });
      }
  }