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<?php |
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/** |
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* Copyright (c) 2016-2016} Andreas Heigl<[email protected]> |
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* Permission is hereby granted, free of charge, to any person obtaining a copy |
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* of this software and associated documentation files (the "Software"), to deal |
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* in the Software without restriction, including without limitation the rights |
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
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* copies of the Software, and to permit persons to whom the Software is |
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* furnished to do so, subject to the following conditions: |
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* The above copyright notice and this permission notice shall be included in |
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* all copies or substantial portions of the Software. |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
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* THE SOFTWARE. |
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* |
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* @author Andreas Heigl<[email protected]> |
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* @copyright 2016-2016 Andreas Heigl |
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* @license http://www.opensource.org/licenses/mit-license.php MIT-License |
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* @version 0.0 |
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* @since 25.03.2016 |
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* @link http://github.com/heiglandreas/org.heigl.FileFinder |
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*/ |
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namespace Org_Heigl\FileFinder; |
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trait IteratorTrait |
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{ |
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/** |
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* Return the current element |
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* |
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* @link http://php.net/manual/en/iterator.current.php |
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* @return mixed Can return any type. |
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*/ |
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public function current() |
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{ |
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return current($this->getIteratorArray()); |
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} |
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/** |
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* Move forward to next element |
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* |
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* @link http://php.net/manual/en/iterator.next.php |
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* @return void Any returned value is ignored. |
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*/ |
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public function next() |
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{ |
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next($this->getIteratorArray()); |
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} |
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/** |
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* Return the key of the current element |
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* |
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* @link http://php.net/manual/en/iterator.key.php |
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* @return mixed scalar on success, or null on failure. |
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*/ |
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public function key() |
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{ |
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return key($this->getIteratorArray()); |
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} |
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/** |
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* (PHP 5 >= 5.0.0)<br/> |
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* Checks if current position is valid |
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* |
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* @link http://php.net/manual/en/iterator.valid.php |
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* @return boolean The return value will be casted to boolean and then evaluated. |
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* Returns true on success or false on failure. |
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*/ |
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public function valid() |
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{ |
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return false !== $this->current(); |
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} |
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/** |
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* (PHP 5 >= 5.0.0)<br/> |
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* Rewind the Iterator to the first element |
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* |
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* @link http://php.net/manual/en/iterator.rewind.php |
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* @return void Any returned value is ignored. |
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*/ |
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public function rewind() |
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{ |
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reset($this->getIteratorArray()); |
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} |
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/** |
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* Get the array the iterator shall iterate over. |
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* |
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* @return mixed |
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*/ |
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abstract protected function & getIteratorArray(); |
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} |