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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 |
---|---|
2090 | /** |
2091 | * Filter the comment form default arguments. |
2092 | * |
2093 | * Use 'comment_form_default_fields' to filter the comment fields. |
2094 | * |
2095 | * @since 3.0.0 |
2096 | * |
2097 | * @param array $defaults The default comment form arguments. |
2098 | */ |
2099 | $args = wp_parse_args( $args, apply_filters( 'comment_form_defaults', $defaults ) ); |
2100 |
|
2101 | ?> |
2102 | <?php if ( comments_open( $post_id ) ) : ?> |
2103 | <?php |
2104 | /** |
2105 | * Fires before the comment form. |
2106 | * |
2107 | * @since 3.0.0 |
2108 | */ |