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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 |
|---|---|
| 416 | <description></description> |
| 417 | <content:encoded><?php |
| 418 | /** |
| 419 | * Filter the post content used for WXR exports. |
| 420 | * |
| 421 | * @since 2.5.0 |
| 422 | * |
| 423 | * @param string $post_content Content of the current post. |
| 424 | */ |
| 425 | echo wxr_cdata( apply_filters( 'the_content_export', $post->post_content ) ); |
| 426 | ?></content:encoded> |
| 427 | <excerpt:encoded><?php |
| 428 | /** |
| 429 | * Filter the post excerpt used for WXR exports. |
| 430 | * |
| 431 | * @since 2.6.0 |
| 432 | * |
| 433 | * @param string $post_excerpt Excerpt for the current post. |
| 434 | */ |