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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 |
---|---|
2097 | * @param string $field The HTML-formatted output of the comment form field. |
2098 | */ |
2099 | echo apply_filters( "comment_form_field_{$name}", $field ) . "\n"; |
2100 | } |
2101 | /** |
2102 | * Fires after the comment fields in the comment form. |
2103 | * |
2104 | * @since 3.0.0 |
2105 | */ |
2106 | do_action( 'comment_form_after_fields' ); |
2107 | ?> |
2108 | <?php endif; ?> |
2109 | <?php |
2110 | /** |
2111 | * Filter the content of the comment textarea field for display. |
2112 | * |
2113 | * @since 3.0.0 |
2114 | * |
2115 | * @param string $args['comment_field'] The content of the comment textarea field. |