<?php class Collection implements Iterator { protected $array, $valid = false; public function __construct(array $a) { echo __METHOD__ . "\n"; $this->array = $a; } public function current() { echo __METHOD__ . "\n"; return current($this->array); } public function key() { echo __METHOD__ . "\n"; return key($this->array); } public function next() { echo __METHOD__ . "\n"; $this->valid = (false !== next($this->array)); } public function valid() { echo __METHOD__ . "\n"; return $this->valid; } public function rewind() { echo __METHOD__ . "\n"; $this->valid = (false !== reset($this->array)); } } class TestFilter extends FilterIterator { public function accept() { echo __METHOD__ . "\n"; #throw new Exception("Failure in Accept"); } } $test = new TestFilter(new Collection(array(0))); try { foreach ($test as $item) { echo $item; } } catch (Exception $e) { var_dump($e->getMessage()); } ?> ===DONE===
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