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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 |
---|---|
3299 | } elseif ( post_password_required( $comment_post_ID ) ) { |
3300 |
|
3301 | /** |
3302 | * Fires when a comment is attempted on a password-protected post. |
3303 | * |
3304 | * @since 2.9.0 |
3305 | * |
3306 | * @param int $comment_post_ID Post ID. |
3307 | */ |
3308 | do_action( 'comment_on_password_protected', $comment_post_ID ); |
3309 |
|
3310 | return new WP_Error( 'comment_on_password_protected' ); |
3311 |
|
3312 | } else { |
3313 |
|
3314 | /** |
3315 | * Fires before a comment is posted. |
3316 | * |
3317 | * @since 2.8.0 |