ID: 48272 User updated by: gma625 at msn dot com Reported By: gma625 at msn dot com Status: Open Bug Type: SPL related Operating System: windows xp2 PHP Version: 5.2.9 New Comment:
hello, I'm the reporter of this bug, I'm sorry for making a typing mistake below, I just get up to fix this typing mistake , But I don't know how to achieve , so I post a new comment here, sorry for the inconvience again . mistake: and the result is bool(true), it's very strange to get this while we $cull->valid() it return false(true) fix: and the result is bool(true), it's very strange to get this while we $cull->valid() it return bool(false) Previous Comments: ------------------------------------------------------------------------ [2009-05-14 03:39:08] gma625 at msn dot com Description: ------------ When extends a class with FilterIterator, the valid ,current,key, next functions can't work, until you override your function with the following codes public function valid() { $this->getInnerIterator()->valid(); } btw, my php works version is 5.2.6, I can't found this version in the select list , so I selected 5.2.9 Reproduce code: --------------- error_reporting ( E_ALL | E_STRICT ); $array = array ('koala', 'kangaroo', 'wombat', 'wallaby', 'emu', 'NZ' => 'kiwi', 'kookaburra', 'platypus' ); class CullingIterator extends FilterIterator { public function __construct(Iterator $it) { parent::__construct ( $it ); } function accept() { $ittmp = $this->getInnerIterator (); if ($ittmp->current () == 'koala') { return false; } return true; } } $cull = new CullingIterator ( new ArrayIterator ( $array ) ); try { while ( $cull->valid () ) { echo $cull->current (); $cull->next (); } } catch ( Exception $e ) { $e->getTraceAsString (); } Expected result: ---------------- print out the array result as following kangaroowombatwallabyemukiwikookaburraplatypus Actual result: -------------- print nothing, becuase when we call $cull->valid() will return false additional information , I've also tracked this problem by the following code, $cull = new CullingIterator ( new ArrayIterator ( $array ) ); $it = $cull->getInnerIterator(); var_dump( $it->valid() ); and the result is bool(true), it's very strange to get this while we $cull->valid() it return false(true) ------------------------------------------------------------------------ -- Edit this bug report at http://bugs.php.net/?id=48272&edit=1