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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 |
---|---|
2220 | /** |
2221 | * Filter the comment form default arguments. |
2222 | * |
2223 | * Use 'comment_form_default_fields' to filter the comment fields. |
2224 | * |
2225 | * @since 3.0.0 |
2226 | * |
2227 | * @param array $defaults The default comment form arguments. |
2228 | */ |
2229 | $args = wp_parse_args( $args, apply_filters( 'comment_form_defaults', $defaults ) ); |
2230 |
|
2231 | ?> |
2232 | <?php if ( comments_open( $post_id ) ) : ?> |
2233 | <?php |
2234 | /** |
2235 | * Fires before the comment form. |
2236 | * |
2237 | * @since 3.0.0 |
2238 | */ |