The $mod variable is defined early in the WPSSO Core load process and is passed to most methods and filters. The $mod variable name is short for "module" and it defines essential reference values for different WordPress and WPSSO object types:
- comment
- post
- term
- user
An example $mod array for a post:
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Array ( [id] => 2717 [name] => post [name_transl] => post [obj] => object WpssoPost [query_vars] => Array () [is_404] => false [is_archive] => false [is_comment] => false [is_date] => false [is_day] => false [is_home] => false [is_home_page] => false [is_home_posts] => false [is_month] => false [is_post] => true [is_post_type_archive] => false [is_public] => false [is_search] => false [is_term] => false [is_user] => false [is_year] => false [use_post] => false [post_slug] => the-post-slug [post_type] => post [post_type_label] => Post [post_mime] => '' [post_status] => publish [post_author] => 123 [post_coauthors] => Array () [post_time] => 2013-03-15T22:23:27+00:00 [post_modified_time] => 2021-01-31T00:16:46+00:00 [tax_slug] => '' [tax_label] => false ) |
An example to retrieve custom post meta:
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if ( $mod[ 'is_post' ] ) { $value = get_post_meta( $mod[ 'id' ], '_example_meta_name', $single = true ); } |
The 'obj' element can be used to call object methods. Here's an example to get a custom Open Graph description value (if one has been defined):
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$og_desc = $mod[ 'obj' ]->get_options( $mod[ 'id' ], 'og_desc' ); |