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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 |
|---|---|
| 484 | <description></description> |
| 485 | <content:encoded><?php |
| 486 | /** |
| 487 | * Filters the post content used for WXR exports. |
| 488 | * |
| 489 | * @since 2.5.0 |
| 490 | * |
| 491 | * @param string $post_content Content of the current post. |
| 492 | */ |
| 493 | echo wxr_cdata( apply_filters( 'the_content_export', $post->post_content ) ); |
| 494 | ?></content:encoded> |
| 495 | <excerpt:encoded><?php |
| 496 | /** |
| 497 | * Filters the post excerpt used for WXR exports. |
| 498 | * |
| 499 | * @since 2.6.0 |
| 500 | * |
| 501 | * @param string $post_excerpt Excerpt for the current post. |
| 502 | */ |