Laravel foreign key

Schema::table('posts', function (Blueprint $table) {
    $table->unsignedBigInteger('user_id');

    $table->foreign('user_id')->references('id')->on('users');
});
OR
Schema::table('posts', function (Blueprint $table) {
    $table->foreignId('user_id')->constrained();
});

Foreign key in laravel migration

$table->unsignedBigInteger('user_id');
$table->foreign('user_id')->references('id')->on('users')->onDelete('cascade');

Foreign key laravel migration

$table->foreign('column_name')->references('id')->on('table_name')->onDelete('cascade');

Create foreign key laravel migration

Schema::table('posts', function (Blueprint $table) {
    $table->unsignedBigInteger('user_id');

    $table->foreign('user_id')->references('id')->on('users');
});

Laravel foreign key constraint

public function up()
{
    Schema::create('replies', function (Blueprint $table) {
        $table->bigIncrements('id');
        $table->text('body');
        $table->unsignedBigInteger('question_id');
        $table->integer('user_id')->unsigned();
        $table->foreign('question_id')->references('id')->on('questions')->onDelete('cascade');
        $table->timestamps();
    });
}

Source: stackoverflow.com

Laravel foreign key

$table->foreignId('user_id')
      ->constrained()
      ->onUpdate('cascade')
      ->onDelete('cascade');

Source: laravel.com

Similar codes

1 vote238 views1 answer
Laravel websockets onmessage
PHP Laravel
0 vote182 views1 answer
Laravel - Add conditional where clause in query
PHP
0 vote191 views1 answer
Remove WordPress Login error hints
PHP Wordpress
9 votes232 views3 answers
Define url wordpress
PHP Wordpress
2 votes186 views2 answers
<?php echo do_shortcode(' '); ?> with variable
PHP
0 vote297 views1 answer
Fetch method and class in codeigniter
PHP
0 vote211 views1 answer
Php forech pdo
PHP
3 votes183 views1 answer
How to use where relationship laravel
PHP
0 vote201 views1 answer
What template files are used for our custom post type in wordpress?
PHP Wordpress
0 vote188 views2 answers
Laravel model column default value
PHP