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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 |
---|---|
3315 | $text = str_replace(']]>', ']]>', $text); |
3316 |
|
3317 | /** |
3318 | * Filters the number of words in an excerpt. |
3319 | * |
3320 | * @since 2.7.0 |
3321 | * |
3322 | * @param int $number The number of words. Default 55. |
3323 | */ |
3324 | $excerpt_length = apply_filters( 'excerpt_length', 55 ); |
3325 | /** |
3326 | * Filters the string in the "more" link displayed after a trimmed excerpt. |
3327 | * |
3328 | * @since 2.9.0 |
3329 | * |
3330 | * @param string $more_string The string shown within the more link. |
3331 | */ |
3332 | $excerpt_more = apply_filters( 'excerpt_more', ' ' . '[…]' ); |
3333 | $text = wp_trim_words( $text, $excerpt_length, $excerpt_more ); |