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filter is not described

wp_trim_words filter-hook . WP 3.3.0

Filters the text content after words have been trimmed.

Usage

add_filter( 'wp_trim_words', 'filter_function_name_3534', 10, 4 );
function filter_function_name_3534( $text, $num_words, $more, $original_text ){
	// filter...

	return $text;
}
$text(string)
The trimmed text.
$num_words(int)
The number of words to trim the text to.
Default: 55
$more(string)
An optional string to append to the end of the trimmed text, e.g. ….
$original_text(string)
The text before it was trimmed.

Where the hook is called

wp_trim_words()
wp-includes/formatting.php 3401
return apply_filters( 'wp_trim_words', $text, $num_words, $more, $original_text );

Where the hook is used (in WP core)

Does not used.