src/Schema.php
public function foreignKeys($table)
    {
        return Cache::remember("{$table}_foreign_keys", $this->lifetime(), function () use ($table) {
            return $this->manager->listTableForeignKeys($table);
        });
    }
public function foreignKeys($table)
    {
        return Cache::remember("{$table}_foreign_keys", $this->lifetime(), function () use ($table) {
            return $this->manager->listTableForeignKeys($table);
        });
    }
public function foreignKeys ( $ table ) { return Cache :: remember ( "{$table}_foreign_keys" , $ this -> lifetime ( ) , function ( ) use ( $ table ) { return $ this -> manager -> listTableForeignKeys ( $ table ) ; } ) ; }
list table foreign keys.

@param $table

@return mixed
list table foreign keys .