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<?php |
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namespace PHPAlgorithms\GraphTools\Traits; |
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/** |
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* Class AllowedPropertiesTrait |
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* @package PHPAlgorithms\GraphTools\Traits |
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*/ |
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trait AllowedPropertiesTrait |
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{ |
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/** |
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* @var string[] $allowedGet |
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*/ |
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protected $allowedGet = array(); |
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/** |
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* @var string[] $allowedSet |
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*/ |
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protected $allowedSet = array(); |
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/** |
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* @param string $name |
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* @param array $arguments |
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* @return mixed |
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*/ |
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public function __call(string $name, array $arguments) |
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{ |
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$variable = lcfirst(substr($name, 3)); |
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switch (substr($name, 0, 3)) { |
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case 'get': |
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return $this->__get($variable); |
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case 'set': |
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call_user_func_array([$this, '__set'], array_merge([$variable], $arguments)); |
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return $this; |
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} |
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return trigger_error('Call to undefined method '. static::class . "::{$name}()", E_USER_ERROR); |
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} |
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/** |
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* @param string $name |
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* @return mixed |
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*/ |
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public function __get(string $name) |
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{ |
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if ($this->canGet($name)) { |
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return $this->{$name}; |
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} |
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return trigger_error("Property {$name} doesn't exists and cannot be get.", E_USER_ERROR); |
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} |
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/** |
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* @param string $name |
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* @return boolean |
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*/ |
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public function __isset(string $name) |
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{ |
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return property_exists(static::class, $name); |
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} |
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/** |
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* @param string $name |
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* @param mixed $value |
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* @return mixed |
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*/ |
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public function __set(string $name, $value) |
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{ |
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if ($this->canSet($name)) { |
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return $this->{$name} = $value; |
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} |
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return trigger_error("Property {$name} doesn't exists and cannot be set.", E_USER_ERROR); |
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} |
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/** |
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* @param string $name |
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* @return bool |
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*/ |
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public function __unset(string $name) |
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{ |
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if ($this->canSet($name)) { |
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unset($this->{$name}); |
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} |
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return trigger_error("Property {$name} doesn't exists and cannot be unset.", E_USER_ERROR); |
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} |
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/** |
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* @param string $name |
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* @return boolean |
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*/ |
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public function canGet(string $name) : bool |
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{ |
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return $this->__isset($name) && in_array($name, $this->allowedGet, true); |
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} |
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/** |
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* @param string $name |
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* @return boolean |
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*/ |
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public function canSet(string $name) |
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{ |
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return $this->__isset($name) && in_array($name, $this->allowedSet, true); |
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} |
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} |
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PHPAlgorithms /
GraphTools
