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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 |
|---|---|
| 810 | $output = get_the_excerpt(); |
| 811 | |
| 812 | /** |
| 813 | * Filters the post excerpt for the embed template. |
| 814 | * |
| 815 | * @since 4.4.0 |
| 816 | * |
| 817 | * @param string $output The current post excerpt. |
| 818 | */ |
| 819 | echo apply_filters( 'the_excerpt_embed', $output ); |
| 820 | } |
| 821 | |
| 822 | /** |
| 823 | * Filters the post excerpt for the embed template. |
| 824 | * |
| 825 | * Shows players for video and audio attachments. |
| 826 | * |
| 827 | * @since 4.4.0 |
| 828 | * |