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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 |
|---|---|
| 201 | return false; |
| 202 | } |
| 203 | |
| 204 | /* Options functions */ |
| 205 | |
| 206 | function get_option($setting) { |
| 207 | global $wpdb; |
| 208 | |
| 209 | // Allow plugins to short-circuit options. |
| 210 | $pre = apply_filters( 'pre_option_' . $setting, false ); |
| 211 | if ( $pre ) |
| 212 | return $pre; |
| 213 | |
| 214 | // prevent non-existent options from triggering multiple queries |
| 215 | $notoptions = wp_cache_get('notoptions', 'options'); |
| 216 | if ( isset($notoptions[$setting]) ) |
| 217 | return false; |
| 218 | |
| 219 | $alloptions = wp_load_alloptions(); |