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Diffstat (limited to 'library/Icinga/Util/EnumeratingFilterIterator.php')
-rw-r--r-- | library/Icinga/Util/EnumeratingFilterIterator.php | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/library/Icinga/Util/EnumeratingFilterIterator.php b/library/Icinga/Util/EnumeratingFilterIterator.php new file mode 100644 index 0000000..0659961 --- /dev/null +++ b/library/Icinga/Util/EnumeratingFilterIterator.php @@ -0,0 +1,30 @@ +<?php +/* Icinga Web 2 | (c) 2014 Icinga Development Team | GPLv2+ */ + +namespace Icinga\Util; + +use FilterIterator; + +/** + * Class EnumeratingFilterIterator + * + * FilterIterator with continuous numeric key (index) + */ +abstract class EnumeratingFilterIterator extends FilterIterator +{ + /** + * @var int + */ + private $index; + + public function rewind(): void + { + parent::rewind(); + $this->index = 0; + } + + public function key(): int + { + return $this->index++; + } +} |