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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 |
---|---|
3352 | * Filters the text content after words have been trimmed. |
3353 | * |
3354 | * @since 3.3.0 |
3355 | * |
3356 | * @param string $text The trimmed text. |
3357 | * @param int $num_words The number of words to trim the text to. Default 5. |
3358 | * @param string $more An optional string to append to the end of the trimmed text, e.g. …. |
3359 | * @param string $original_text The text before it was trimmed. |
3360 | */ |
3361 | return apply_filters( 'wp_trim_words', $text, $num_words, $more, $original_text ); |
3362 | } |
3363 |
|
3364 | /** |
3365 | * Converts named entities into numbered entities. |
3366 | * |
3367 | * @since 1.5.1 |
3368 | * |
3369 | * @param string $text The text within which entities will be converted. |
3370 | * @return string Text with converted entities. |