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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 |
|---|---|
| 2173 | /** |
| 2174 | * Filter the localized date on which the post was written, for display. |
| 2175 | * |
| 2176 | * @since 0.71 |
| 2177 | * |
| 2178 | * @param string $the_weekday_date |
| 2179 | * @param string $before The HTML to output before the date. |
| 2180 | * @param string $after The HTML to output after the date. |
| 2181 | */ |
| 2182 | $the_weekday_date = apply_filters( 'the_weekday_date', $the_weekday_date, $before, $after ); |
| 2183 | echo $the_weekday_date; |
| 2184 | } |
| 2185 | |
| 2186 | /** |
| 2187 | * Fire the wp_head action |
| 2188 | * |
| 2189 | * @since 1.2.0 |
| 2190 | */ |
| 2191 | function wp_head() { |