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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 |
|---|---|
| 896 | $output = get_the_excerpt(); |
| 897 | |
| 898 | /** |
| 899 | * Filters the post excerpt for the embed template. |
| 900 | * |
| 901 | * @since 4.4.0 |
| 902 | * |
| 903 | * @param string $output The current post excerpt. |
| 904 | */ |
| 905 | echo apply_filters( 'the_excerpt_embed', $output ); |
| 906 | } |
| 907 | |
| 908 | /** |
| 909 | * Filters the post excerpt for the embed template. |
| 910 | * |
| 911 | * Shows players for video and audio attachments. |
| 912 | * |
| 913 | * @since 4.4.0 |
| 914 | * |