unexpected back slash

[iberan]

Hi,

I think there is an unexpected back slash:

/administrator/components/com_abook/views/books/viewhtml.php #40

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if (!\count($this->items) && $this->isEmptyState = $this->get('IsEmptyState'))


[federica]

Hi iberan,
which version of Abook are you using?
I think you are referring to this file administrator/components/com_abook/views/book/view.html.php but the line #40 is totally different.

[iberan]

So sorry, Federica, this back slash appears in  administrator/components/com_abook/views/books/view.html.php #40

[iberan]

... and the version is Abook 4.01

[federica]

I found the line you refers and the backslash.
Which PHP error occurs? My installation does not display any errors.

[iberan]

No any PHP error occurs, I can't recognize this character only.

[federica]

It is an escape character useful to call a function.
Joomla core also do that
eg. components/com_contact/helpers/route.php line 16
you can see:

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\defined('_JEXEC') or die;)