PHP Decode

<?php

use Illuminate\Database\Migrations\Migration;
use Illuminate\Database\Schema\Blueprint;
use Illuminate\Support\Facades\Schema;

class CreateProjectPermissionsTable extends Migration
{
    /**
     * Run the migrations.
     *
     * @return void
     */
    public function up()
    {
        if (Schema::hasTable('project_permissions'))
            return;

        Schema::create('project_permissions', function (Blueprint $table) {
            $table->bigIncrements('id');
            $table->bigInteger('project_id')->nullable()->default(0)->comment('ID');
            $table->text('permissions')->nullable()->comment('');
            $table->timestamps();
        });
    }

    /**
     * Reverse the migrations.
     *
     * @return void
     */
    public function down()
    {
        Schema::dropIfExists('project_permissions');
    }
}
 ?>