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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )
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.
Line | Code |
---|---|
1075 |
|
1076 | foreach ( (array) $children as $child ) |
1077 | clean_page_cache($child->ID); |
1078 |
|
1079 | $wp_rewrite->flush_rules(); |
1080 | } else { |
1081 | clean_post_cache($postid); |
1082 | } |
1083 |
|
1084 | do_action('deleted_post', $postid); |
1085 |
|
1086 | return $post; |
1087 | } |
1088 |
|
1089 | /** |
1090 | * wp_get_post_categories() - Retrieve the list of categories for a post |
1091 | * |
1092 | * Compatibility layer for themes and plugins. Also an easy layer of abstraction |
1093 | * away from the complexity of the taxonomy layer. |