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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.
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42 |
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43 | </div> |
44 |
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45 | <p style="clear: both; margin-top: 1em;"><?php _e('Now select a category you want to put these links in.') ?><br /> |
46 | <?php _e('Category:') ?> <select name="cat_id"> |
47 | <?php |
48 | $categories = get_categories('hide_empty=0'); |
49 | foreach ($categories as $category) { |
50 | ?> |
51 | <option value="<?php echo $category->cat_ID; ?>"><?php echo wp_specialchars(apply_filters('link_category', $category->cat_name)); ?></option> |
52 | <?php |
53 | } // end foreach |
54 | ?> |
55 | </select></p> |
56 |
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57 | <p class="submit"><input type="submit" name="submit" value="<?php _e('Import OPML File »') ?>" /></p> |
58 | </form> |
59 |
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60 | </div> |