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Doc Bug #53693 ::transformToDoc() $returnClass param docs insufficient
Submitted: 2011-01-08 05:31 UTC Modified: 2023-09-30 11:43 UTC
Avg. Score:4.0 ± 1.7
Reproduced:3 of 3 (100.0%)
Same Version:1 (33.3%)
Same OS:1 (33.3%)
From: mat at homedvd dot ca Assigned: nielsdos (profile)
Status: Closed Package: XSLT related
PHP Version: Irrelevant OS: Any
Private report: No CVE-ID: None
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From: mat at homedvd dot ca
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 [2011-01-08 05:31 UTC] mat at homedvd dot ca
It would be very helpful to allow transformToDoc to return a custom class instance, which would have to extend DOMDocument of course.

The example code provided is simplified.  Far better usage could be made from the child DOMDocument class -- this is only an example to illustrate the potential.

Test script:
class DOMDocumentYouCanFancyPrint extends DOMDocument {
    public function __toString() {
        return "<pre>" . htmlentities( $this->saveXML() ) . "</pre>";


$processor->registerDocumentClass( "DOMDocumentYouCanFancyPrint" );
echo $processor->transformToDoc( $sourceDOM );

Expected result:
The expected result would be that the transformToDoc method call returns an instance of DOMDocumentYouCanFancyPrint.


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 [2021-09-15 16:38 UTC]
-Summary: transformToDoc, different class +Summary: ::transformToDoc() $returnClass param docs insufficient -Status: Open +Status: Verified -Type: Feature/Change Request +Type: Documentation Problem
 [2021-09-15 16:38 UTC]
This is possible for a long time (at least as of PHP 5.3) by using
the almost undocumented 2nd parameter of ::transformToDoc() which
expects the name of the class to return.  In your case:

echo $processor->transformToDoc( $sourceDOM, DOMDocumentYouCanFancyPrint::class );
 [2023-09-30 11:43 UTC]
-Status: Verified +Status: Closed -Assigned To: +Assigned To: nielsdos
 [2023-09-30 11:43 UTC]
The fix for this bug has been committed.
If you are still experiencing this bug, try to check out latest source from and re-test.
Thank you for the report, and for helping us make PHP better.

I added documentation for this parameter.
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