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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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2537 | $text = str_replace(']]>', ']]>', $text); |
2538 |
|
2539 | /** |
2540 | * Filter the number of words in an excerpt. |
2541 | * |
2542 | * @since 2.7.0 |
2543 | * |
2544 | * @param int $number The number of words. Default 55. |
2545 | */ |
2546 | $excerpt_length = apply_filters( 'excerpt_length', 55 ); |
2547 | /** |
2548 | * Filter the string in the "more" link displayed after a trimmed excerpt. |
2549 | * |
2550 | * @since 2.9.0 |
2551 | * |
2552 | * @param string $more_string The string shown within the more link. |
2553 | */ |
2554 | $excerpt_more = apply_filters( 'excerpt_more', ' ' . '[…]' ); |
2555 | $text = wp_trim_words( $text, $excerpt_length, $excerpt_more ); |