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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 |
|---|---|
| 3949 | * Filters the text content after words have been trimmed. |
| 3950 | * |
| 3951 | * @since 3.3.0 |
| 3952 | * |
| 3953 | * @param string $text The trimmed text. |
| 3954 | * @param int $num_words The number of words to trim the text to. Default 55. |
| 3955 | * @param string $more An optional string to append to the end of the trimmed text, e.g. …. |
| 3956 | * @param string $original_text The text before it was trimmed. |
| 3957 | */ |
| 3958 | return apply_filters( 'wp_trim_words', $text, $num_words, $more, $original_text ); |
| 3959 | } |
| 3960 | |
| 3961 | /** |
| 3962 | * Converts named entities into numbered entities. |
| 3963 | * |
| 3964 | * @since 1.5.1 |
| 3965 | * |
| 3966 | * @param string $text The text within which entities will be converted. |
| 3967 | * @return string Text with converted entities. |