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<?php |
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/** |
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* Particle. |
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* |
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* @link http://github.com/particle-php for the canonical source repository |
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* @copyright Copyright (c) 2005-2015 Particle (http://particle-php.com) |
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* @license https://github.com/particle-php/validator/blob/master/LICENSE New BSD License |
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*/ |
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namespace Particle\Filter\Value; |
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/** |
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* This class is used to wrap both input as output arrays. |
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* |
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* @package Particle\Validator |
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*/ |
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class Container |
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{ |
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/** |
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* Contains the values (either input or output). |
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* |
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* @var array |
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*/ |
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protected $values = []; |
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/** |
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* Construct the Value\Container. |
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* |
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* @param array $values |
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*/ |
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public function __construct(array $values = []) |
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{ |
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$this->values = $values; |
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} |
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/** |
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* Determines whether or not the container has a value for key $key. |
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* |
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* @param string $key |
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* @return bool |
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*/ |
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public function has($key) |
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{ |
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return $this->traverse($key, false); |
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} |
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/** |
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* Returns the value for the key $key, or null if the value doesn't exist. |
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* |
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* @param string $key |
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* @return mixed |
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*/ |
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public function get($key) |
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{ |
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return $this->traverse($key, true); |
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} |
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/** |
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* Removes a value from the container |
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* |
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* @param string $key |
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*/ |
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public function remove($key) |
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{ |
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$this->removeRecursive(explode('.', $key), $this->values); |
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} |
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/** |
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* Set the value of $key to $value. |
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* |
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* @param string $key |
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* @param mixed $value |
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* @return $this |
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*/ |
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public function set($key, $value) |
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{ |
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if (strpos($key, '.') !== false) { |
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return $this->setTraverse($key, $value); |
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} |
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$this->values[$key] = $value; |
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return $this; |
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} |
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/** |
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* Returns a plain array representation of the Value\Container object. |
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* |
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* @return array |
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*/ |
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public function getArrayCopy() |
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{ |
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return $this->values; |
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} |
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/** |
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* Traverses the key using dot notation. Based on the second parameter, it will return the value or if it was set. |
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* |
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* @param string $key |
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* @param bool $returnValue |
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* @return mixed |
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*/ |
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protected function traverse($key, $returnValue = true) |
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{ |
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$value = $this->values; |
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foreach (explode('.', $key) as $part) { |
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if (!array_key_exists($part, $value)) { |
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return false; |
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} |
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$value = $value[$part]; |
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} |
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return $returnValue ? $value : true; |
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} |
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/** |
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* Uses dot-notation to set a value. |
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* |
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* @param string $key |
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* @param mixed $value |
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* @return $this |
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*/ |
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protected function setTraverse($key, $value) |
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{ |
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$parts = explode('.', $key); |
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$ref = &$this->values; |
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foreach ($parts as $i => $part) { |
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$ref = &$ref[$part]; |
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} |
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$ref = $value; |
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return $this; |
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} |
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/** |
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* @param array $keyParts |
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* @param array $values |
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*/ |
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private function removeRecursive(array $keyParts, array &$values) |
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{ |
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$key = $keyParts[0]; |
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if (!array_key_exists($key, $values)) { |
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return; |
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} |
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if (!is_array($values[$key])) { |
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unset($values[$key]); |
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return; |
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} |
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$this->removeRecursive(array_splice($keyParts, 1), $values[$key]); |
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// unset self if the removed child clears this array |
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if (count($values[$key]) === 0) { |
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unset($values[$key]); |
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} |
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} |
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} |
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particle-php /
Filter
