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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 |
---|---|
2179 | * @param string $field The HTML-formatted output of the comment form field. |
2180 | */ |
2181 | echo apply_filters( "comment_form_field_{$name}", $field ) . "\n"; |
2182 | } |
2183 | /** |
2184 | * Fires after the comment fields in the comment form. |
2185 | * |
2186 | * @since 3.0.0 |
2187 | */ |
2188 | do_action( 'comment_form_after_fields' ); |
2189 | ?> |
2190 | <?php endif; ?> |
2191 | <?php |
2192 | /** |
2193 | * Filter the content of the comment textarea field for display. |
2194 | * |
2195 | * @since 3.0.0 |
2196 | * |
2197 | * @param string $args_comment_field The content of the comment textarea field. |