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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 |
|---|---|
| 3375 | * Filters the text content after words have been trimmed. |
| 3376 | * |
| 3377 | * @since 3.3.0 |
| 3378 | * |
| 3379 | * @param string $text The trimmed text. |
| 3380 | * @param int $num_words The number of words to trim the text to. Default 55. |
| 3381 | * @param string $more An optional string to append to the end of the trimmed text, e.g. …. |
| 3382 | * @param string $original_text The text before it was trimmed. |
| 3383 | */ |
| 3384 | return apply_filters( 'wp_trim_words', $text, $num_words, $more, $original_text ); |
| 3385 | } |
| 3386 | |
| 3387 | /** |
| 3388 | * Converts named entities into numbered entities. |
| 3389 | * |
| 3390 | * @since 1.5.1 |
| 3391 | * |
| 3392 | * @param string $text The text within which entities will be converted. |
| 3393 | * @return string Text with converted entities. |