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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 |
---|---|
178 | /** |
179 | * Fires for each registered custom link column. |
180 | * |
181 | * @since 2.1.0 |
182 | * |
183 | * @param string $column_name Name of the custom column. |
184 | * @param int $link_id Link ID. |
185 | */ |
186 | ?> |
187 | <td <?php echo $attributes ?>><?php do_action( 'manage_link_custom_column', $column_name, $link->link_id ); ?></td> |
188 | <?php |
189 | break; |
190 | } |
191 | } |
192 | ?> |
193 | </tr> |
194 | <?php |
195 | } |
196 | } |