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Implement abstract class EnumeratingFilterIterator
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library/Icinga/Util/EnumeratingFilterIterator.php
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37
library/Icinga/Util/EnumeratingFilterIterator.php
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<?php
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// {{{ICINGA_LICENSE_HEADER}}}
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// {{{ICINGA_LICENSE_HEADER}}}
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namespace Icinga\Util;
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use FilterIterator;
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/**
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* Class EnumeratingFilterIterator
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*
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* FilterIterator with continuous numeric key (index)
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*/
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abstract class EnumeratingFilterIterator extends FilterIterator
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{
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/**
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* @var int
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*/
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private $index;
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/**
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* @return void
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*/
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public function rewind()
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{
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parent::rewind();
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$this->index = 0;
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}
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/**
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* @return int
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*/
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public function key()
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{
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return $this->index++;
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}
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}
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