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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 |
---|---|
1210 |
|
1211 | $string = '<a href="'.get_permalink($post).'">'; |
1212 | $link = str_replace('%title', $title, $link); |
1213 | $link = str_replace('%date', $date, $link); |
1214 | $link = $string . $link . '</a>'; |
1215 |
|
1216 | $format = str_replace('%link', $link, $format); |
1217 |
|
1218 | $adjacent = $previous ? 'previous' : 'next'; |
1219 | echo apply_filters( "{$adjacent}_post_link", $format, $link ); |
1220 | } |
1221 |
|
1222 | /** |
1223 | * Retrieve get links for page numbers. |
1224 | * |
1225 | * @since 1.5.0 |
1226 | * |
1227 | * @param int $pagenum Optional. Page ID. |
1228 | * @return string |