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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 |
|---|---|
| 2979 | * Filter the text content after words have been trimmed. |
| 2980 | * |
| 2981 | * @since 3.3.0 |
| 2982 | * |
| 2983 | * @param string $text The trimmed text. |
| 2984 | * @param int $num_words The number of words to trim the text to. Default 5. |
| 2985 | * @param string $more An optional string to append to the end of the trimmed text, e.g. …. |
| 2986 | * @param string $original_text The text before it was trimmed. |
| 2987 | */ |
| 2988 | return apply_filters( 'wp_trim_words', $text, $num_words, $more, $original_text ); |
| 2989 | } |
| 2990 | |
| 2991 | /** |
| 2992 | * Converts named entities into numbered entities. |
| 2993 | * |
| 2994 | * @since 1.5.1 |
| 2995 | * |
| 2996 | * @param string $text The text within which entities will be converted. |
| 2997 | * @return string Text with converted entities. |