Answers for "laravel migration foreign key on delete"

larael drop foreign key

Schema::table('posts', function (Blueprint $table) {
	$table->dropForeign(['category_id']);
});

table drop foreign php laravel

public function down()
 {
   Schema::table('tarefas', function (Blueprint $table) {
     $table->dropForeign('tarefas_user_id_foreign');

     $table->dropColumn('user_id');
   });
 }

delete all rows in table laravel foreign key

DB::statement("SET foreign_key_checks=0");
Model::truncate();
DB::statement("SET foreign_key_checks=1");