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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 |
|---|---|
| 3779 | * Filters the text content after words have been trimmed. |
| 3780 | * |
| 3781 | * @since 3.3.0 |
| 3782 | * |
| 3783 | * @param string $text The trimmed text. |
| 3784 | * @param int $num_words The number of words to trim the text to. Default 55. |
| 3785 | * @param string $more An optional string to append to the end of the trimmed text, e.g. …. |
| 3786 | * @param string $original_text The text before it was trimmed. |
| 3787 | */ |
| 3788 | return apply_filters( 'wp_trim_words', $text, $num_words, $more, $original_text ); |
| 3789 | } |
| 3790 | |
| 3791 | /** |
| 3792 | * Converts named entities into numbered entities. |
| 3793 | * |
| 3794 | * @since 1.5.1 |
| 3795 | * |
| 3796 | * @param string $text The text within which entities will be converted. |
| 3797 | * @return string Text with converted entities. |