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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 |
|---|---|
| 129 | } |
| 130 | } |
| 131 | if ($preview) { // preview fix for javascript bug with foreign languages |
| 132 | $output = preg_replace('/\%u([0-9A-F]{4,4})/e', "'&#'.base_convert('\\1',16,10).';'", $output); |
| 133 | } |
| 134 | return $output; |
| 135 | } |
| 136 | |
| 137 | function the_excerpt() { |
| 138 | echo apply_filters('the_excerpt', get_the_excerpt()); |
| 139 | } |
| 140 | |
| 141 | function the_excerpt_rss($cut = 0, $encode_html = 0) { |
| 142 | $output = get_the_excerpt(true); |
| 143 | |
| 144 | $output = convert_chars($output); |
| 145 | if ($cut && !$encode_html) { |
| 146 | $encode_html = 2; |
| 147 | } |