ID: 42282 User updated by: TomTrnka at seznam dot cz Reported By: TomTrnka at seznam dot cz Status: Bogus Bug Type: DOM XML related Operating System: Linux PHP Version: 5CVS-2007-08-13 (snap) New Comment:
Well, that's nice, but why the hell does any change to the nodelist break the loop? That doesn't seem like "acceptable behaviour" to me... Previous Comments: ------------------------------------------------------------------------ [2007-08-14 12:04:28] [EMAIL PROTECTED] Thank you for taking the time to write to us, but this is not a bug. Please double-check the documentation available at http://www.php.net/manual/ and the instructions on how to report a bug at http://bugs.php.net/how-to-report.php nodelists are live and updated as nodes are removed from them ------------------------------------------------------------------------ [2007-08-13 09:44:05] TomTrnka at seznam dot cz Description: ------------ When a node tree is copied from one DOMDocument to another using recursive importNode on the tree root and then copying the childNodes in a loop (doesn't matter whether for or foreach) using e.g. appendChild, the loop is no more repeated after copying the first element, that means, other child elements do not get copied. Additionally, the source childNodes->length gets decremented. The opposite approach - iterating through the source elements and importing&appending one at a time works flawlessly. On commenting out the appendChild call the iteration goes normally, too. Reproduce code: --------------- <?php error_reporting(E_ALL | E_STRICT); $srcdoc = new DOMDocument("1.0", "UTF-8"); $src = $srcdoc->appendChild($srcdoc->createElement("srcroot")); $src->appendChild($srcdoc->createElement("elem1", "1")); $src->appendChild($srcdoc->createElement("elem2", "2")); echo $srcdoc->saveXML(); $dstdoc = new DOMDocument("1.0", "UTF-8"); $dst = $dstdoc->appendChild($dstdoc->createElement("dstroot")); $tmp = $dstdoc->importNode($src, TRUE); echo $tmp->childNodes->length; foreach ($tmp->childNodes as $child) { echo "."; $dst->appendChild($child); } echo "\n"; echo $dstdoc->saveXML(); ?> Expected result: ---------------- The output should look like this (both elements copied): <?xml version="1.0" encoding="UTF-8"?> <srcroot><elem1>1</elem1><elem2>2</elem2></srcroot> 2.. <?xml version="1.0" encoding="UTF-8"?> <dstroot><elem1>1</elem1><elem2>2</elem2></dstroot> Actual result: -------------- The output looks like this: <?xml version="1.0" encoding="UTF-8"?> <srcroot><elem1>1</elem1><elem2>2</elem2></srcroot> 2. <?xml version="1.0" encoding="UTF-8"?> <dstroot><elem1>1</elem1></dstroot> That means the elem2 did not get copied. There is also only one dot at the "2." row, meaning the second iteration of the loop hasn't even started. ------------------------------------------------------------------------ -- Edit this bug report at http://bugs.php.net/?id=42282&edit=1
