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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 |
|---|---|
| 2620 | * Filter the text content after words have been trimmed. |
| 2621 | * |
| 2622 | * @since 3.3.0 |
| 2623 | * |
| 2624 | * @param string $text The trimmed text. |
| 2625 | * @param int $num_words The number of words to trim the text to. Default 5. |
| 2626 | * @param string $more An optional string to append to the end of the trimmed text, e.g. …. |
| 2627 | * @param string $original_text The text before it was trimmed. |
| 2628 | */ |
| 2629 | return apply_filters( 'wp_trim_words', $text, $num_words, $more, $original_text ); |
| 2630 | } |
| 2631 | |
| 2632 | /** |
| 2633 | * Converts named entities into numbered entities. |
| 2634 | * |
| 2635 | * @since 1.5.1 |
| 2636 | * |
| 2637 | * @param string $text The text within which entities will be converted. |
| 2638 | * @return string Text with converted entities. |