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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 |
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3291 | $text = str_replace(']]>', ']]>', $text); |
3292 |
|
3293 | /** |
3294 | * Filters the number of words in an excerpt. |
3295 | * |
3296 | * @since 2.7.0 |
3297 | * |
3298 | * @param int $number The number of words. Default 55. |
3299 | */ |
3300 | $excerpt_length = apply_filters( 'excerpt_length', 55 ); |
3301 | /** |
3302 | * Filters the string in the "more" link displayed after a trimmed excerpt. |
3303 | * |
3304 | * @since 2.9.0 |
3305 | * |
3306 | * @param string $more_string The string shown within the more link. |
3307 | */ |
3308 | $excerpt_more = apply_filters( 'excerpt_more', ' ' . '[…]' ); |
3309 | $text = wp_trim_words( $text, $excerpt_length, $excerpt_more ); |