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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 |
---|---|
3317 | } |
3318 | /** |
3319 | * Filters the trimmed excerpt string. |
3320 | * |
3321 | * @since 2.8.0 |
3322 | * |
3323 | * @param string $text The trimmed text. |
3324 | * @param string $raw_excerpt The text prior to trimming. |
3325 | */ |
3326 | return apply_filters( 'wp_trim_excerpt', $text, $raw_excerpt ); |
3327 | } |
3328 |
|
3329 | /** |
3330 | * Trims text to a certain number of words. |
3331 | * |
3332 | * This function is localized. For languages that count 'words' by the individual |
3333 | * character (such as East Asian languages), the $num_words argument will apply |
3334 | * to the number of individual characters. |
3335 | * |