Collection.php
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<?php
// +----------------------------------------------------------------------
// | ThinkPHP [ WE CAN DO IT JUST THINK ]
// +----------------------------------------------------------------------
// | Copyright (c) 2006~2017 http://thinkphp.cn All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Author: zhangyajun <448901948@qq.com>
// +----------------------------------------------------------------------
namespace think\model;
use think\Collection as BaseCollection;
use think\Model;
class Collection extends BaseCollection
{
/**
* 返回数组中指定的一列
* @param string $column_key
* @param string|null $index_key
* @return array
*/
public function column($column_key, $index_key = null)
{
if (function_exists('array_column')) {
return array_column($this->toArray(), $column_key, $index_key);
}
return parent::column($column_key, $index_key);
}
/**
* 延迟预载入关联查询
* @access public
* @param mixed $relation 关联
* @return $this
*/
public function load($relation)
{
$item = current($this->items);
$item->eagerlyResultSet($this->items, $relation);
return $this;
}
/**
* 设置需要隐藏的输出属性
* @access public
* @param array $hidden 属性列表
* @param bool $override 是否覆盖
* @return $this
*/
public function hidden($hidden = [], $override = false)
{
$this->each(function ($model) use ($hidden, $override) {
/** @var Model $model */
$model->hidden($hidden, $override);
});
return $this;
}
/**
* 设置需要输出的属性
* @param array $visible
* @param bool $override 是否覆盖
* @return $this
*/
public function visible($visible = [], $override = false)
{
$this->each(function ($model) use ($visible, $override) {
/** @var Model $model */
$model->visible($visible, $override);
});
return $this;
}
/**
* 设置需要追加的输出属性
* @access public
* @param array $append 属性列表
* @param bool $override 是否覆盖
* @return $this
*/
public function append($append = [], $override = false)
{
$this->each(function ($model) use ($append, $override) {
/** @var Model $model */
$model && $model->append($append, $override);
});
return $this;
}
}