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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 |
---|---|
3476 | } elseif ( post_password_required( $comment_post_ID ) ) { |
3477 |
|
3478 | /** |
3479 | * Fires when a comment is attempted on a password-protected post. |
3480 | * |
3481 | * @since 2.9.0 |
3482 | * |
3483 | * @param int $comment_post_ID Post ID. |
3484 | */ |
3485 | do_action( 'comment_on_password_protected', $comment_post_ID ); |
3486 |
|
3487 | return new WP_Error( 'comment_on_password_protected' ); |
3488 |
|
3489 | } else { |
3490 |
|
3491 | /** |
3492 | * Fires before a comment is posted. |
3493 | * |
3494 | * @since 2.8.0 |