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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 |
---|---|
2190 | ?> |
2191 | <?php else : ?> |
2192 | <?php echo $args['comment_notes_before']; ?> |
2193 | <?php |
2194 | /** |
2195 | * Fires before the comment fields in the comment form. |
2196 | * |
2197 | * @since 3.0.0 |
2198 | */ |
2199 | do_action( 'comment_form_before_fields' ); |
2200 | foreach ( (array) $args['fields'] as $name => $field ) { |
2201 | /** |
2202 | * Filter a comment form field for display. |
2203 | * |
2204 | * The dynamic portion of the filter hook, $name, refers to the name |
2205 | * of the comment form field. Such as 'author', 'email', or 'url'. |
2206 | * |
2207 | * @since 3.0.0 |
2208 | * |