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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 |
|---|---|
| 131 | $output .= "<input type='checkbox' name='delete[]' value='$category->term_id' />"; |
| 132 | } else { |
| 133 | $output .= " "; |
| 134 | } |
| 135 | $output .= "</th> |
| 136 | <td>$edit</td> |
| 137 | <td>$category->description</td> |
| 138 | <td class='num'>$count</td></tr>"; |
| 139 | |
| 140 | return apply_filters( 'link_cat_row', $output ); |
| 141 | } |
| 142 | |
| 143 | function checked( $checked, $current) { |
| 144 | if ( $checked == $current) |
| 145 | echo ' checked="checked"'; |
| 146 | } |
| 147 | |
| 148 | function selected( $selected, $current) { |
| 149 | if ( $selected == $current) |