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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 |
|---|---|
| 104 | $numcomms = $wpdb->get_var("SELECT COUNT(*) FROM $wpdb->comments WHERE comment_approved = '1'"); |
| 105 | if (0 < $numcomms) $numcomms = number_format($numcomms); |
| 106 | |
| 107 | $numcats = $wpdb->get_var("SELECT COUNT(*) FROM $wpdb->categories"); |
| 108 | if (0 < $numcats) $numcats = number_format($numcats); |
| 109 | ?> |
| 110 | <p><?php printf(__('There are currently %1$s <a href="%2$s" title="Posts">posts</a> and %3$s <a href="%4$s" title="Comments">comments</a>, contained within %5$s <a href="%6$s" title="categories">categories</a>.'), $numposts, 'edit.php', $numcomms, 'edit-comments.php', $numcats, 'categories.php'); ?></p> |
| 111 | </div> |
| 112 | |
| 113 | <?php do_action('activity_box_end'); ?> |
| 114 | </div> |
| 115 | |
| 116 | <h3><?php _e('Welcome to WordPress'); ?></h3> |
| 117 | |
| 118 | <p><?php _e('Use these links to get started:'); ?></p> |
| 119 | |
| 120 | <ul> |
| 121 | <li><a href="post.php"><?php _e('Write a post'); ?></a></li> |
| 122 | <li><a href="profile.php"><?php _e('Update your profile or change your password'); ?></a></li> |