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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 |
|---|---|
| 127 | } |
| 128 | if ( $preview ) // preview fix for javascript bug with foreign languages |
| 129 | $output = preg_replace('/\%u([0-9A-F]{4,4})/e', "'&#'.base_convert('\\1',16,10).';'", $output); |
| 130 | |
| 131 | return $output; |
| 132 | } |
| 133 | |
| 134 | |
| 135 | function the_excerpt() { |
| 136 | echo apply_filters('the_excerpt', get_the_excerpt()); |
| 137 | } |
| 138 | |
| 139 | |
| 140 | function get_the_excerpt($deprecated = true) { |
| 141 | global $id, $post; |
| 142 | $output = ''; |
| 143 | $output = $post->post_excerpt; |
| 144 | if ( !empty($post->post_password) ) { // if there's a password |
| 145 | if ( $_COOKIE['wp-postpass_'.COOKIEHASH] != $post->post_password ) { // and it doesn't match the cookie |