ID: 48166 Updated by: col...@php.net Reported By: ralph at smashlabs dot com -Status: Open +Status: Assigned Bug Type: SPL related Operating System: *nix, osx, win32 PHP Version: 5.2.9 -Assigned To: +Assigned To: colder
Previous Comments: ------------------------------------------------------------------------ [2009-05-06 15:58:40] ralph at smashlabs dot com Description: ------------ Currently, its difficult to extend RecursiveFilterIterator() with additional __construct() arguments (for configuring its behavior). The reason its difficult is b/c when getChildren() is called, a new instance of the RFI is created (only way you'd know this is if you look into the source of RFI). Workaround currently is this (But is not generic enough to all use cases): replace getChildren(): function getChildren() { if (empty($this->ref)) { $this->ref = new ReflectionClass($this); } return $this->ref->newInstance($this->getInnerIterator()->getChildren(), $this->_otherArgs); } Reproduce code: --------------- $rArray = array('a' => array('ab', 'ac', 'ad' => array('ada', 'adc')), 'b' => array('bb', 'bc')); $ri = new RecursiveArrayIterator($rArray); $filter = new MyRFI($ri, 'argument'); $iterator = new RecursiveIteratorIterator($filter); foreach ($iterator as $key => $item) { echo $key . ' - ' . $item . PHP_EOL; } class MyRFI extends RecursiveFilterIterator { protected $_otherArg = null; public function __construct($iterator, $otherArg = null) { $this->_otherArg = $otherArg; parent::__construct($iterator); } public function accept() { echo ($this->_otherArg) ? 'Arg Present' : 'Arg NOT Present'; echo PHP_EOL; return true; } } Expected result: ---------------- Arg Present Arg Present 0 - ab Arg Present 1 - ac Arg Present Arg Present 0 - ada Arg Present 1 - adc Arg Present Arg Present 0 - bb Arg Present 1 - bc Actual result: -------------- Arg Present Arg NOT Present 0 - ab Arg NOT Present 1 - ac Arg NOT Present Arg NOT Present 0 - ada Arg NOT Present 1 - adc Arg Present Arg NOT Present 0 - bb Arg NOT Present 1 - bc ------------------------------------------------------------------------ -- Edit this bug report at http://bugs.php.net/?id=48166&edit=1