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To save our bandwidth, we show only a snippet of code around each occurence of the hook. View complete file in SVN (without highlighting).
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 |
|---|---|
| 1172 | |
| 1173 | /** |
| 1174 | * Filter the robots.txt output. |
| 1175 | * |
| 1176 | * @since 3.0.0 |
| 1177 | * |
| 1178 | * @param string $output Robots.txt output. |
| 1179 | * @param bool $public Whether the site is considered "public". |
| 1180 | */ |
| 1181 | echo apply_filters( 'robots_txt', $output, $public ); |
| 1182 | } |
| 1183 | |
| 1184 | /** |
| 1185 | * Test whether blog is already installed. |
| 1186 | * |
| 1187 | * The cache will be checked first. If you have a cache plugin, which saves the |
| 1188 | * cache values, then this will work. If you use the default WordPress cache, |
| 1189 | * and the database goes away, then you might have problems. |
| 1190 | * |