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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 |
|---|---|
| 2235 | $sep = ' '; |
| 2236 | } |
| 2237 | if ( count( $words_array ) > $num_words ) { |
| 2238 | array_pop( $words_array ); |
| 2239 | $text = implode( $sep, $words_array ); |
| 2240 | $text = $text . $more; |
| 2241 | } else { |
| 2242 | $text = implode( $sep, $words_array ); |
| 2243 | } |
| 2244 | return apply_filters( 'wp_trim_words', $text, $num_words, $more, $original_text ); |
| 2245 | } |
| 2246 | |
| 2247 | /** |
| 2248 | * Converts named entities into numbered entities. |
| 2249 | * |
| 2250 | * @since 1.5.1 |
| 2251 | * |
| 2252 | * @param string $text The text within which entities will be converted. |
| 2253 | * @return string Text with converted entities. |