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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 |
|---|---|
| 181 | * |
| 182 | * @param string $feed_type The type of feed. rss2 | atom | rss | rdf |
| 183 | * @return string The filtered content. |
| 184 | */ |
| 185 | function get_the_content_feed($feed_type = null) { |
| 186 | if ( !$feed_type ) |
| 187 | $feed_type = get_default_feed(); |
| 188 | |
| 189 | /** This filter is documented in wp-includes/post-template.php */ |
| 190 | $content = apply_filters( 'the_content', get_the_content() ); |
| 191 | $content = str_replace(']]>', ']]>', $content); |
| 192 | /** |
| 193 | * Filters the post content for use in feeds. |
| 194 | * |
| 195 | * @since 2.9.0 |
| 196 | * |
| 197 | * @param string $content The current post content. |
| 198 | * @param string $feed_type Type of feed. Possible values include 'rss2', 'atom'. |
| 199 | * Default 'rss2'. |