php-laravelHow do I use PHP Laravel to migrate data?
Using PHP Laravel to migrate data requires the use of the Migration
class. This class is used to define the structure of the database, as well as to modify existing tables and columns.
To create a migration, use the make:migration
command. This command will create a file in the database/migrations
directory. The file will contain a class that extends the Migration
class.
The following example creates a users
table with id
, name
, and email
columns:
php artisan make:migration create_users_table
The generated file will look something like this:
<?php
use Illuminate\Database\Migrations\Migration;
use Illuminate\Database\Schema\Blueprint;
use Illuminate\Support\Facades\Schema;
class CreateUsersTable extends Migration
{
/**
* Run the migrations.
*
* @return void
*/
public function up()
{
Schema::create('users', function (Blueprint $table) {
$table->id();
$table->string('name');
$table->string('email')->unique();
$table->timestamps();
});
}
/**
* Reverse the migrations.
*
* @return void
*/
public function down()
{
Schema::dropIfExists('users');
}
}
To run the migration, use the migrate
command:
php artisan migrate
This will create the users
table in the database.
The Migration
class provides several methods for creating and modifying tables and columns, such as create
, drop
, rename
, addColumn
, changeColumn
, and dropColumn
.
For more information, see the Laravel documentation.
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