Special:PageWithProps outputs the following PHP notices if a specific page prop either does not exist or otherwise has no values in the database:
The cause is because $propnames is declared implicitly using PHP's magical functionality with non-existent arrays.
Notice: Undefined variable: propnames in /vagrant/mediawiki/includes/specials/SpecialPagesWithProp.php on line 65
Call Stack:
0.0002 640016 1. {main}() /vagrant/mediawiki/index.php:0
0.1494 3588856 2. MediaWiki->run() /vagrant/mediawiki/index.php:55
0.1496 3588856 3. MediaWiki->main() /vagrant/mediawiki/includes/Wiki.php:458
0.1542 3701776 4. MediaWiki->performRequest() /vagrant/mediawiki/includes/Wiki.php:565
0.2257 4650336 5. SpecialPageFactory::executePath() /vagrant/mediawiki/includes/Wiki.php:291
0.2302 5370152 6. SpecialPage->run() /vagrant/mediawiki/includes/SpecialPageFactory.php:487
0.2304 5370152 7. SpecialPagesWithProp->execute() /vagrant/mediawiki/includes/SpecialPage.php:631Warning: in_array() expects parameter 2 to be array, null given in /vagrant/mediawiki/includes/HTMLForm.php on line 2150
Call Stack:
0.0002 640016 1. {main}() /vagrant/mediawiki/index.php:0
0.1494 3588856 2. MediaWiki->run() /vagrant/mediawiki/index.php:55
0.1496 3588856 3. MediaWiki->main() /vagrant/mediawiki/includes/Wiki.php:458
0.1542 3701776 4. MediaWiki->performRequest() /vagrant/mediawiki/includes/Wiki.php:565
0.2257 4650336 5. SpecialPageFactory::executePath() /vagrant/mediawiki/includes/Wiki.php:291
0.2302 5370152 6. SpecialPage->run() /vagrant/mediawiki/includes/SpecialPageFactory.php:487
0.2304 5370152 7. SpecialPagesWithProp->execute() /vagrant/mediawiki/includes/SpecialPage.php:631
0.3493 7655352 8. HTMLForm->__construct() /vagrant/mediawiki/includes/specials/SpecialPagesWithProp.php:70
0.3493 7656912 9. HTMLForm::loadInputFromParameters() /vagrant/mediawiki/includes/HTMLForm.php:225
0.3493 7660064 10. HTMLSelectOrOtherField->__construct() /vagrant/mediawiki/includes/HTMLForm.php:311
0.3493 7660440 11. in_array() /vagrant/mediawiki/includes/HTMLForm.php:2150Version: 1.22.0
Severity: normal