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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 |
---|---|
2182 | /** |
2183 | * Filter the localized date on which the post was written, for display. |
2184 | * |
2185 | * @since 0.71 |
2186 | * |
2187 | * @param string $the_weekday_date |
2188 | * @param string $before The HTML to output before the date. |
2189 | * @param string $after The HTML to output after the date. |
2190 | */ |
2191 | $the_weekday_date = apply_filters( 'the_weekday_date', $the_weekday_date, $before, $after ); |
2192 | echo $the_weekday_date; |
2193 | } |
2194 |
|
2195 | /** |
2196 | * Fire the wp_head action |
2197 | * |
2198 | * @since 1.2.0 |
2199 | */ |
2200 | function wp_head() { |