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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 |
---|---|
2155 | $sep = ' '; |
2156 | } |
2157 | if ( count( $words_array ) > $num_words ) { |
2158 | array_pop( $words_array ); |
2159 | $text = implode( $sep, $words_array ); |
2160 | $text = $text . $more; |
2161 | } else { |
2162 | $text = implode( $sep, $words_array ); |
2163 | } |
2164 | return apply_filters( 'wp_trim_words', $text, $num_words, $more, $original_text ); |
2165 | } |
2166 |
|
2167 | /** |
2168 | * Converts named entities into numbered entities. |
2169 | * |
2170 | * @since 1.5.1 |
2171 | * |
2172 | * @param string $text The text within which entities will be converted. |
2173 | * @return string Text with converted entities. |