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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 |
|---|---|
| 978 | $output = get_the_excerpt(); |
| 979 | |
| 980 | /** |
| 981 | * Filters the post excerpt for the embed template. |
| 982 | * |
| 983 | * @since 4.4.0 |
| 984 | * |
| 985 | * @param string $output The current post excerpt. |
| 986 | */ |
| 987 | echo apply_filters( 'the_excerpt_embed', $output ); |
| 988 | } |
| 989 | |
| 990 | /** |
| 991 | * Filters the post excerpt for the embed template. |
| 992 | * |
| 993 | * Shows players for video and audio attachments. |
| 994 | * |
| 995 | * @since 4.4.0 |
| 996 | * |