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<?php |
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declare(strict_types=1); |
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namespace SimpleSAML\SAML2\Utilities; |
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use ArrayIterator; |
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use Closure; |
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use SimpleSAML\SAML2\Exception\RuntimeException; |
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use function array_filter; |
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use function array_map; |
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use function array_search; |
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use function count; |
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use function end; |
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use function reset; |
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use function sprintf; |
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/** |
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* Simple Array implementation of Collection. |
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*/ |
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class ArrayCollection implements Collection |
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{ |
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/** |
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* ArrayCollection constructor. |
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* |
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* @param array $elements |
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*/ |
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public function __construct( |
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protected array $elements = [], |
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) { |
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} |
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/** |
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* @param mixed $element |
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* |
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*/ |
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public function add($element): void |
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{ |
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$this->elements[] = $element; |
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} |
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/** |
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* @param mixed $key |
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* |
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* @return mixed|null |
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*/ |
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public function get($key) |
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{ |
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return isset($this->elements[$key]) ? $this->elements[$key] : null; |
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} |
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/** |
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* @param \Closure $f |
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* |
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* @return \SimpleSAML\SAML2\Utilities\ArrayCollection |
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*/ |
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public function filter(Closure $filterFunction): Collection |
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{ |
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return new self(array_filter($this->elements, $filterFunction)); |
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} |
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/** |
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* @param mixed $key |
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* @param mixed $value |
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*/ |
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public function set($key, $value): void |
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{ |
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$this->elements[$key] = $value; |
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} |
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/** |
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* @param mixed $element |
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* |
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*/ |
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public function remove($element): void |
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{ |
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$key = array_search($element, $this->elements); |
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if ($key === false) { |
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return; |
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} |
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unset($this->elements[$key]); |
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} |
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/** |
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* @throws \SimpleSAML\SAML2\Exception\RuntimeException |
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* @return bool|mixed |
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*/ |
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public function getOnlyElement() |
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{ |
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if ($this->count() !== 1) { |
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throw new RuntimeException(sprintf( |
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__METHOD__ . ' requires that the collection has exactly one element, ' |
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. '"%d" elements found', |
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$this->count(), |
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)); |
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} |
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return reset($this->elements); |
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} |
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/** |
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* @return bool|mixed |
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*/ |
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public function first() |
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{ |
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return reset($this->elements); |
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} |
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/** |
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* @return bool|mixed |
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*/ |
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public function last() |
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{ |
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return end($this->elements); |
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} |
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/** |
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* @param \Closure $function |
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* |
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* @return \SimpleSAML\SAML2\Utilities\ArrayCollection |
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*/ |
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public function map(Closure $function): ArrayCollection |
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{ |
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return new self(array_map($function, $this->elements)); |
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} |
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/** |
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* @return int |
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*/ |
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public function count(): int |
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{ |
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return count($this->elements); |
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} |
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/** |
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* @return \ArrayIterator |
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*/ |
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public function getIterator(): ArrayIterator |
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{ |
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return new ArrayIterator($this->elements); |
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} |
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/** |
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* @param mixed $offset |
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* |
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* @return bool |
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*/ |
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public function offsetExists($offset): bool |
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{ |
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return isset($this->elements[$offset]); |
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} |
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/** |
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* @param mixed $offset |
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* |
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* @return mixed |
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*/ |
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#[\ReturnTypeWillChange] |
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public function offsetGet($offset) |
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{ |
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return $this->elements[$offset]; |
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} |
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/** |
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* @param mixed $offset |
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* @param mixed $value |
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*/ |
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public function offsetSet($offset, $value): void |
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{ |
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$this->elements[$offset] = $value; |
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} |
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/** |
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* @param $offset |
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*/ |
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public function offsetUnset($offset): void |
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{ |
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unset($this->elements[$offset]); |
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} |
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} |
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simplesamlphp /
saml2
