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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 |
|---|---|
| 3906 | * Filters the text content after words have been trimmed. |
| 3907 | * |
| 3908 | * @since 3.3.0 |
| 3909 | * |
| 3910 | * @param string $text The trimmed text. |
| 3911 | * @param int $num_words The number of words to trim the text to. Default 55. |
| 3912 | * @param string $more An optional string to append to the end of the trimmed text, e.g. …. |
| 3913 | * @param string $original_text The text before it was trimmed. |
| 3914 | */ |
| 3915 | return apply_filters( 'wp_trim_words', $text, $num_words, $more, $original_text ); |
| 3916 | } |
| 3917 | |
| 3918 | /** |
| 3919 | * Converts named entities into numbered entities. |
| 3920 | * |
| 3921 | * @since 1.5.1 |
| 3922 | * |
| 3923 | * @param string $text The text within which entities will be converted. |
| 3924 | * @return string Text with converted entities. |