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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 |
|---|---|
| 839 | $output = get_the_excerpt(); |
| 840 | |
| 841 | /** |
| 842 | * Filter the post excerpt for the embed template. |
| 843 | * |
| 844 | * @since 4.4.0 |
| 845 | * |
| 846 | * @param string $output The current post excerpt. |
| 847 | */ |
| 848 | echo apply_filters( 'the_excerpt_embed', $output ); |
| 849 | } |
| 850 | |
| 851 | /** |
| 852 | * Filters the post excerpt for the embed template. |
| 853 | * |
| 854 | * Shows players for video and audio attachments. |
| 855 | * |
| 856 | * @since 4.4.0 |
| 857 | * |