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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 |
|---|---|
| 199 | /** |
| 200 | * Filters the post content for use in feeds. |
| 201 | * |
| 202 | * @since 2.9.0 |
| 203 | * |
| 204 | * @param string $content The current post content. |
| 205 | * @param string $feed_type Type of feed. Possible values include 'rss2', 'atom'. |
| 206 | * Default 'rss2'. |
| 207 | */ |
| 208 | return apply_filters( 'the_content_feed', $content, $feed_type ); |
| 209 | } |
| 210 | |
| 211 | /** |
| 212 | * Displays the post content for feeds. |
| 213 | * |
| 214 | * @since 2.9.0 |
| 215 | * |
| 216 | * @param string $feed_type The type of feed. rss2 | atom | rss | rdf |
| 217 | */ |