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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 |
|---|---|
| 1196 | * |
| 1197 | * @param string $d Optional. PHP date format. Defaults to the "date_format" option |
| 1198 | * @return string |
| 1199 | */ |
| 1200 | function get_the_modified_date($d = '') { |
| 1201 | if ( '' == $d ) |
| 1202 | $the_time = get_post_modified_time(get_option('date_format')); |
| 1203 | else |
| 1204 | $the_time = get_post_modified_time($d); |
| 1205 | return apply_filters('get_the_modified_date', $the_time, $d); |
| 1206 | } |
| 1207 | |
| 1208 | /** |
| 1209 | * Display the time at which the post was written. |
| 1210 | * |
| 1211 | * @since 0.71 |
| 1212 | * |
| 1213 | * @param string $d Either 'G', 'U', or php date format. |
| 1214 | */ |