[tags] If we count false it returns 1 and not zero

[zero-24]

Pull Request for Issue #14747

Summary of Changes

$var = count(false) => 1 see: http://php.net/manual/en/function.count.php

@tonypartridge please check this too as this comes from #14747

Testing Instructions

• enable maximal error reporting
• add one article
• add one tag to a article
• access the article from the frontend
• get the URL for the list of the tagged articles
• untag the tag from the article
• see the error in the frontend Notice: Trying to get property of non-object in JRoot\components\com_tags\views\tag\view.html.php on line 120

Expected result

No error just the No matching items were found. message

Actual result

The No matching items were found. plus a PHP notice: Notice: Trying to get property of non-object in JRoot\components\com_tags\views\tag\view.html.php on line 120

Documentation Changes Required

none

[Melvine9]

Thank you very much zero-24 . It's perfect ;-)

[wojsmol]

@Melvine9 If you tested this PR plese mark yuir test result on https://issues.joomla.org/tracker/joomla-cms/16143

[Melvine9]

I have tested this item ✅ successfully on 679c010

Tested
PHP 7.1.5
The notice php fixed

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[Quy]

@zero-24 This a duplicate #16077. Plus this pr will not execute the code inside this test when there is 1 item.

[zero-24]

Thanks @Quy closing than.