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Source View: get_the_categories

To save our bandwidth, we show only a snippet of code around each occurence of the hook. View complete file in SVN (without highlighting).

Understanding Source Code

The best way to understand what a hook does is to look at where it occurs in the source code.

  • Action hooks look like this: do_action( "hook_name" )
  • Filter hooks look like this: apply_filters( "hook_name", "what_to_filter" ).

Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.

Source View

Line Code
77           $categories = array();
78
79      $categories = array_values( $categories );
80
81      foreach ( array_keys( $categories ) as $key ) {
82           _make_cat_compat( $categories[$key] );
83      }
84
85      // Filter name is plural because we return alot of categories not just one
86      return apply_filters( 'get_the_categories', $categories );
87 }
88
89 /**
90  * Sort categories by name.
91  *
92  * Used by usort() as a callback, should not be used directly. Can actually be
93  * used to sort any term object.
94  *
95  * @since 2.3.0