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<?php |
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/** |
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* Created by PhpStorm. |
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* User: xuan |
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* Date: 9/24/15 |
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* Time: 4:07 PM. |
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*/ |
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namespace PHPHub\Transformers\IncludeManager; |
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class Includable |
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{ |
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private $default_columns = []; |
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private $allow_columns = []; |
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private $columns = []; |
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private $relation; |
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private $nested = false; |
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private $name; |
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private $foreign_key; |
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private $limit; |
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private $parent_name; |
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private $children = []; |
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private $with_trashed = false; |
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public function __construct($name) |
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{ |
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$this->name = $name; |
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} |
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/** |
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* 获取这个引入项的字段. |
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* |
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* @return array |
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* |
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* @throws \Exception |
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*/ |
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public function getColumns() |
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{ |
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if (! $this->columns) { |
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throw new \Exception("You must set includable's columns"); |
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} |
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return $this->columns; |
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} |
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/** |
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* 设置这个引入项的字段. |
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* |
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* @param array $columns |
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* |
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* @return $this |
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*/ |
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public function setColumns($columns) |
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{ |
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$this->columns = $columns; |
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return $this; |
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} |
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/** |
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* 获取这个引入项默认引入的字段. |
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* |
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* @return array |
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* |
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* @throws \Exception |
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*/ |
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public function getDefaultColumns() |
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{ |
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if (! $this->default_columns) { |
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throw new \Exception("You must set includable's default columns"); |
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} |
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return $this->default_columns; |
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} |
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/** |
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* 设置这个引入项默认引入的字段. |
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* |
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* @param array|string $default_columns |
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* |
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* @return $this |
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*/ |
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public function setDefaultColumns($default_columns) |
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{ |
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$this->default_columns = (array) $default_columns; |
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return $this; |
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} |
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/** |
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* 获取这个引入项的名称. |
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* |
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* @return string |
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* |
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* @throws \Exception |
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*/ |
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public function getName() |
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{ |
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if (! $this->name) { |
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throw new \Exception("You must set includable's name"); |
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} |
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return $this->name; |
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} |
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/** |
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* 设置这个引入项的字段. |
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* |
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* @param string $name |
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* |
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* @return $this |
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*/ |
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public function setName($name) |
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{ |
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$this->name = $name; |
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return $this; |
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} |
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/** |
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* 获取这个引入项关联的外键,仅 belongTo 关系需要设置. |
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* |
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* @return string |
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* |
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* @throws \Exception |
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*/ |
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public function getForeignKey() |
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{ |
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if (! $this->nested && ! $this->foreign_key && ! $this->limit) { |
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throw new \Exception("You must set includable's limit or foreign key"); |
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} |
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return $this->foreign_key; |
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} |
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/** |
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* 获取这个引入项关联的外键. |
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* |
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* @param string $foreign_key |
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* |
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* @return $this |
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*/ |
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public function setForeignKey($foreign_key) |
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{ |
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$this->foreign_key = $foreign_key; |
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return $this; |
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} |
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/** |
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* 获取引入条数限制. |
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* |
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* @return int |
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* |
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* @throws \Exception |
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*/ |
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public function getLimit() |
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{ |
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if (! $this->foreign_key && ! $this->limit) { |
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throw new \Exception("You must set includable's limit or foreign key"); |
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} |
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return $this->limit; |
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} |
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/** |
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* 设置引入条数限制, 仅对多关系时设置(hasMany, belongsToMany, etc..). |
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* |
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* @param int $limit |
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* |
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* @return $this |
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*/ |
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public function setLimit($limit) |
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{ |
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$this->limit = $limit; |
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return $this; |
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} |
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/** |
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* 获取允许被客户端引入的字段. |
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* |
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* @return array |
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*/ |
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public function getAllowColumns() |
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{ |
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return $this->allow_columns; |
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} |
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/** |
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* 设置允许被客户端引入的字段. |
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* |
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* @param mixed $allow_columns |
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* |
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* @return $this |
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*/ |
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public function setAllowColumns(array $allow_columns) |
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{ |
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$this->allow_columns = $allow_columns; |
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return $this; |
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} |
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/** |
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* 计算出需要哪些字段. |
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*/ |
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public function figureOutWhichColumns() |
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{ |
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$legal_columns = array_intersect($this->columns, $this->allow_columns); |
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return array_merge($legal_columns, $this->default_columns); |
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} |
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/** |
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* 获取对应于 model 的关联方法. |
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* |
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* @return string |
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*/ |
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public function getRelation() |
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{ |
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return $this->relation ?: camel_case($this->name); |
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} |
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/** |
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* 设置对应于 model 的关联方法. |
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* |
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* @param mixed $relation |
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* |
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* @return $this |
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*/ |
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public function setRelation($relation) |
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{ |
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$this->relation = $relation; |
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return $this; |
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} |
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/** |
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* 设置这个引入项目是否是嵌套的. |
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* |
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* @param $parent string 父引入项名 |
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* |
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* @return $this |
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*/ |
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public function nested($parent) |
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{ |
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$this->parent_name = $parent; |
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$this->nested = true; |
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return $this; |
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} |
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/** |
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* 同时查询软删除的数据. |
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* |
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* @return $this |
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*/ |
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public function withTrashed() |
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{ |
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$this->with_trashed = true; |
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return $this; |
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} |
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/** |
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* 是否要查询软删除的数据. |
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* |
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* @return bool |
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*/ |
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public function isWithTrashed() |
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{ |
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return $this->with_trashed; |
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} |
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/** |
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* 获取这个引入项目是否是嵌套的. |
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* |
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* @return bool |
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*/ |
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public function isNested() |
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{ |
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return $this->nested; |
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} |
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/** |
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* 获取一个新的自身的实例. |
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* |
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* @param $name |
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* |
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* @return Includable |
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*/ |
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public static function make($name) |
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{ |
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return new self($name); |
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} |
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/** |
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* 获取父引入项名. |
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* |
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* @return mixed |
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*/ |
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public function getParentName() |
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{ |
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return $this->parent_name; |
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} |
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/** |
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* 获取所有子引入项. |
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* |
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* @return Includable[] |
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*/ |
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public function getChildren() |
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{ |
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return $this->children; |
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} |
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/** |
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* 添加一个子引入项目. |
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* |
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* @param mixed $children |
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*/ |
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public function addChildren(Includable $children) |
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{ |
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$this->children[$children->getName()] = $children; |
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} |
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} |
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This check marks implicit conversions of arrays to boolean values in a comparison. While in PHP an empty array is considered to be equal (but not identical) to false, this is not always apparent.
Consider making the comparison explicit by using
empty(..)or! empty(...)instead.