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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 |
---|---|
3204 | } elseif ( post_password_required( $comment_post_ID ) ) { |
3205 |
|
3206 | /** |
3207 | * Fires when a comment is attempted on a password-protected post. |
3208 | * |
3209 | * @since 2.9.0 |
3210 | * |
3211 | * @param int $comment_post_ID Post ID. |
3212 | */ |
3213 | do_action( 'comment_on_password_protected', $comment_post_ID ); |
3214 |
|
3215 | return new WP_Error( 'comment_on_password_protected' ); |
3216 |
|
3217 | } else { |
3218 |
|
3219 | /** |
3220 | * Fires before a comment is posted. |
3221 | * |
3222 | * @since 2.8.0 |