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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 |
|---|---|
| 185 | * @param string $feed_type The type of feed. rss2 | atom | rss | rdf |
| 186 | * @return string The filtered content. |
| 187 | */ |
| 188 | function get_the_content_feed( $feed_type = null ) { |
| 189 | if ( ! $feed_type ) { |
| 190 | $feed_type = get_default_feed(); |
| 191 | } |
| 192 | |
| 193 | /** This filter is documented in wp-includes/post-template.php */ |
| 194 | $content = apply_filters( 'the_content', get_the_content() ); |
| 195 | $content = str_replace( ']]>', ']]>', $content ); |
| 196 | |
| 197 | /** |
| 198 | * Filters the post content for use in feeds. |
| 199 | * |
| 200 | * @since 2.9.0 |
| 201 | * |
| 202 | * @param string $content The current post content. |
| 203 | * @param string $feed_type Type of feed. Possible values include 'rss2', 'atom'. |