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<?php
namespace Illuminate\Database\Schema;
use Illuminate\Support\Str;
class ForeignIdColumnDefinition extends ColumnDefinition
{
/**
* The schema builder blueprint instance.
*
* @var \Illuminate\Database\Schema\Blueprint
*/
protected $blueprint;
/**
* Create a new foreign ID column definition.
*
* @param \Illuminate\Database\Schema\Blueprint $blueprint
* @param array $attributes
* @return void
*/
public function __construct(Blueprint $blueprint, $attributes = [])
{
parent::__construct($attributes);
$this->blueprint = $blueprint;
}
/**
* Create a foreign key constraint on this column referencing the "id" column of the conventionally related table.
*
* @param string|null $table
* @param string $column
* @return \Illuminate\Database\Schema\ForeignKeyDefinition
*/
public function constrained($table = null, $column = 'id')
{
return $this->references($column)->on($table ?? Str::of($this->name)->beforeLast('_'.$column)->plural());
}
/**
* Specify which column this foreign ID references on another table.
*
* @param string $column
* @return \Illuminate\Database\Schema\ForeignKeyDefinition
*/
public function references($column)
{
return $this->blueprint->foreign($this->name)->references($column);
}
}
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