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

7 votes126 views4 answers
Laravel validation date time format
PHP
0 vote118 views1 answer
Trying to access variable outside laravel collection
PHP Laravel
1 vote100 views1 answer
Count an array in php
PHP
0 vote151 views1 answer
Définir un nombre maximum de mots sur les titres des publications WordPress
PHP
0 vote104 views2 answers
Create model controller migration factory laravel in one command
PHP
11 votes107 views3 answers
Laravel get last 5 records
PHP
2 votes102 views2 answers
Php remove non numeric
PHP
0 vote108 views1 answer
Running a laravel app locally
PHP Laravel
1 vote119 views5 answers
Laravel eloquent batch insert
PHP Laravel
0 vote167 views2 answers
Php get last digit of number
PHP