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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 |
|---|---|
| 117 | |
| 118 | <?php |
| 119 | } // end if got url |
| 120 | else |
| 121 | { |
| 122 | echo "<p>" . __("You need to supply your OPML url. Press back on your browser and try again") . "</p>\n"; |
| 123 | } // end else |
| 124 | |
| 125 | if ( ! $blogrolling ) |
| 126 | apply_filters( 'wp_delete_file', $opml_url); |
| 127 | @unlink($opml_url); |
| 128 | ?> |
| 129 | </div> |
| 130 | <?php |
| 131 | break; |
| 132 | } // end case 1 |
| 133 | } // end switch |
| 134 | |
| 135 | include('admin-footer.php'); |