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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 |
---|---|
186 | case 'slug': |
187 | $output .= "<td $attributes>$category->slug</td>"; |
188 | break; |
189 | case 'posts': |
190 | $attributes = 'class="posts column-posts num"' . $style; |
191 | $output .= "<td $attributes>$posts_count</td>\n"; |
192 | break; |
193 | default: |
194 | $output .= "<td $attributes>"; |
195 | $output .= apply_filters('manage_categories_custom_column', '', $column_name, $category->term_id); |
196 | $output .= "</td>"; |
197 | } |
198 | } |
199 | $output .= '</tr>'; |
200 |
|
201 | return $output; |
202 | } |
203 |
|
204 | /** |