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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 |
|---|---|
| 831 | $output = get_the_excerpt(); |
| 832 | |
| 833 | /** |
| 834 | * Filter the post excerpt for the embed template. |
| 835 | * |
| 836 | * @since 4.4.0 |
| 837 | * |
| 838 | * @param string $output The current post excerpt. |
| 839 | */ |
| 840 | echo apply_filters( 'the_excerpt_embed', $output ); |
| 841 | } |
| 842 | |
| 843 | /** |
| 844 | * Filters the post excerpt for the embed template. |
| 845 | * |
| 846 | * Shows players for video and audio attachments. |
| 847 | * |
| 848 | * @since 4.4.0 |
| 849 | * |