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<?php |
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/** |
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* Trait Enumerable |
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* |
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* @filesource Enumerable.php |
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* @created 28.06.2017 |
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* @package chillerlan\Traits |
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* @author Smiley <[email protected]> |
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* @copyright 2017 Smiley |
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* @license MIT |
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*/ |
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namespace chillerlan\Traits; |
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use Closure; |
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/** |
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* @link http://api.prototypejs.org/language/Enumerable/ |
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*/ |
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trait Enumerable{ |
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/** |
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* @var array |
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*/ |
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protected $array = []; |
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/** |
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* @var int |
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*/ |
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protected $offset = 0; |
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/** |
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* @link http://api.prototypejs.org/language/Enumerable/prototype/toArray/ |
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* |
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* @return array |
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* |
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* @codeCoverageIgnore |
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*/ |
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public function __toArray():array { |
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return $this->array; |
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} |
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/** |
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* @link http://api.prototypejs.org/language/Enumerable/prototype/each/ |
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* |
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* @param callable $callback |
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* |
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* @return $this |
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*/ |
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public function __each($callback){ |
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$this->__map($callback); |
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return $this; |
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} |
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/** |
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* @link http://api.prototypejs.org/language/Enumerable/prototype/collect/ |
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* @link http://api.prototypejs.org/language/Enumerable/prototype/map/ |
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* |
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* @param callable $callback |
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* |
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* @return array |
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* @throws \chillerlan\Traits\TraitException |
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*/ |
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public function __map($callback):array { |
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if(!is_callable($callback)){ |
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throw new TraitException('invalid callback'); |
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} |
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$return = []; |
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foreach($this->array as $index => $element){ |
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$return[$index] = call_user_func_array($callback, [$element, $index]); |
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} |
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return $return; |
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} |
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/** |
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* @link http://api.prototypejs.org/language/Array/prototype/reverse/ |
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* |
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* @return $this |
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*/ |
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public function __reverse(){ |
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$this->array = array_reverse($this->array); |
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$this->offset = 0; |
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return $this; |
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} |
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/** |
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* @return mixed |
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*/ |
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public function __last(){ |
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return $this->array[count($this->array) - 1]; |
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} |
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/** |
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* @return $this |
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*/ |
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public function __clear(){ |
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$this->array = []; |
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return $this; |
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} |
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/** |
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* @link http://api.prototypejs.org/language/Array/prototype/inspect/ |
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* |
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* @return string |
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*/ |
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public function __inspect():string { |
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return print_r($this->array, true); |
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} |
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/** |
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* @link http://api.prototypejs.org/language/Enumerable/prototype/findAll/ |
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* |
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* @param \Closure $callback |
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* |
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* @return array |
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* @throws \chillerlan\Traits\TraitException |
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*/ |
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public function __findAll(Closure $callback):array{ |
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if(!is_callable($callback)){ |
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throw new TraitException('invalid callback'); |
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} |
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$return = []; |
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foreach($this->array as $index => $element){ |
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if(call_user_func_array($callback, [$element, $index]) === true){ |
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$return[] = $element; |
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} |
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} |
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return $return; |
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} |
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/** |
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* @link http://api.prototypejs.org/language/Enumerable/prototype/reject/ |
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* |
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* @param \Closure $callback |
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* |
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* @return array |
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* @throws \chillerlan\Traits\TraitException |
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*/ |
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public function __reject(Closure $callback):array{ |
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if(!is_callable($callback)){ |
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throw new TraitException('invalid callback'); |
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} |
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$return = []; |
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foreach($this->array as $index => $element){ |
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if(call_user_func_array($callback, [$element, $index]) !== true){ |
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$return[] = $element; |
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} |
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} |
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return $return; |
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} |
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/** |
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* @param array $y |
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* |
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* @return bool |
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*/ |
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public function __equal(array $y):bool{ |
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if(count($this->array) !== count($y)){ |
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return false; |
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} |
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$diff = 0; |
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foreach($this->array as $kx => $vx){ |
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$diff |= $vx ^ $y[$kx]; |
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} |
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return ((($diff - 1) >> 31) & 1) === 1; |
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} |
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} |
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chillerlan /
php-traits
