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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.
This hook occurs 4 times in this file.
| Line | Code |
|---|---|
| 1131 | */ |
| 1132 | function get_calendar($initial = true, $echo = true) { |
| 1133 | global $wpdb, $m, $monthnum, $year, $wp_locale, $posts; |
| 1134 | |
| 1135 | $cache = array(); |
| 1136 | $key = md5( $m . $monthnum . $year ); |
| 1137 | if ( $cache = wp_cache_get( 'get_calendar', 'calendar' ) ) { |
| 1138 | if ( is_array($cache) && isset( $cache[ $key ] ) ) { |
| 1139 | if ( $echo ) { |
| 1140 | echo apply_filters( 'get_calendar', $cache[$key] ); |
| 1141 | return; |
| 1142 | } else { |
| 1143 | return apply_filters( 'get_calendar', $cache[$key] ); |
| 1144 | } |
| 1145 | } |
| 1146 | } |
| 1147 | |
| 1148 | if ( !is_array($cache) ) |
| 1149 | $cache = array(); |
| 1150 | |
| 1151 | // Quick check. If we have no posts at all, abort! |
| 1152 | if ( !$posts ) { |
| Line | Code |
| 1318 | if ( $pad != 0 && $pad != 7 ) |
| 1319 | $calendar_output .= "\n\t\t".'<td class="pad" colspan="'. esc_attr($pad) .'"> </td>'; |
| 1320 | |
| 1321 | $calendar_output .= "\n\t</tr>\n\t</tbody>\n\t</table>"; |
| 1322 | |
| 1323 | $cache[ $key ] = $calendar_output; |
| 1324 | wp_cache_set( 'get_calendar', $cache, 'calendar' ); |
| 1325 | |
| 1326 | if ( $echo ) |
| 1327 | echo apply_filters( 'get_calendar', $calendar_output ); |
| 1328 | else |
| 1329 | return apply_filters( 'get_calendar', $calendar_output ); |
| 1330 | |
| 1331 | } |
| 1332 | |
| 1333 | /** |
| 1334 | * Purge the cached results of get_calendar. |
| 1335 | * |
| 1336 | * @see get_calendar |
| 1337 | * @since 2.1.0 |
| 1338 | */ |