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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 |
---|---|
1203 | * - `edit_post_per_page` |
1204 | * - `edit_page_per_page` |
1205 | * - `edit_attachment_per_page` |
1206 | * |
1207 | * @since 3.0.0 |
1208 | * |
1209 | * @param int $posts_per_page Number of posts to display per page for the given post |
1210 | * type. Default 20. |
1211 | */ |
1212 | $posts_per_page = apply_filters( "edit_{$post_type}_per_page", $posts_per_page ); |
1213 |
|
1214 | /** |
1215 | * Filters the number of posts displayed per page when specifically listing "posts". |
1216 | * |
1217 | * @since 2.8.0 |
1218 | * |
1219 | * @param int $posts_per_page Number of posts to be displayed. Default 20. |
1220 | * @param string $post_type The post type. |
1221 | */ |