PHP Parsing json decoded result from wikipedia api MediaWiki

Question

I am trying to use the wikipedia mediawiki api to get a page data. The query url is :

http://en.wikipedia.org/w/api.php?action=parse&format=json&page=Nirnayam_%281991_film%29

One of the properties returned is categories:

"categories":[{"sortkey":"","*":"Telugu-language_films"},{"sortkey":"","*":"1991_films"},{"sortkey":"","*":"Indian_films"}]

A var_dump after json_decode :

foreach($wiki_page_data_json->parse->categories as $cat)
{
    var_dump($cat);
}

gives me this :

object(stdClass)[21] public 'sortkey' => string '' (length=0)
public '*' => string 'Telugu-language_films' (length=21)

object(stdClass)[22] public 'sortkey' => string '' (length=0)
public '*' => string '1991_films' (length=10)

object(stdClass)[23] public 'sortkey' => string '' (length=0)
public '*' => string 'Indian_films' (length=12)

I can access public 'sortkey' as $cat->sortkey

Question is - How do I access the value in public '*' ?

Sorted ! I found the answer here : stackoverflow.com/questions/13078453/… — SIndhu
– SIndhu, Commented Aug 10, 2013 at 8:58

Community · Accepted Answer · 2017-05-23 11:48:19Z

3

You can access object properties with names that contain special characters using this notation:

foreach($wiki_page_data_json->parse->categories as $cat)
{
    var_dump( $cat->{'*'} );
}

Interesting reading > https://stackoverflow.com/a/10333200/67332

edited May 23, 2017 at 11:48

CommunityBot

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answered Aug 10, 2013 at 8:58

Glavić

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Comments

Sven · Accepted Answer · 2013-08-10 08:59:57Z

2

You should probably make json_decode() only return arrays, and not arrays and objects.

json_decode($jsonstring, true); // last parameter true will return only arrays

Then it is easy:

$cat['sortkey'];
$cat['*'];

I don't really like objects to have inaccessible property names.

answered Aug 10, 2013 at 8:59

Sven

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