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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 |
---|---|
5171 | * |
5172 | * @since 5.6.0 |
5173 | * |
5174 | * @param int $post_id Post ID. |
5175 | * @param WP_Post $post Post object. |
5176 | * @param bool $update Whether this is an existing post being updated. |
5177 | * @param null|WP_Post $post_before Null for new posts, the WP_Post object prior |
5178 | * to the update for updated posts. |
5179 | */ |
5180 | do_action( 'wp_after_insert_post', $post_id, $post, $update, $post_before ); |
5181 | } |
5182 |
|
5183 | // |
5184 | // Comment, trackback, and pingback functions. |
5185 | // |
5186 |
|
5187 | /** |
5188 | * Add a URL to those already pinged. |
5189 | * |