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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 |
|---|---|
| 1 | </div><!-- wpbody --> |
| 2 | </div><!-- wpcontent --> |
| 3 | </div><!-- wpwrap --> |
| 4 | <div id="footer"> |
| 5 | <p><?php |
| 6 | do_action('in_admin_footer', ''); |
| 7 | $upgrade = apply_filters( 'update_footer', '' ); |
| 8 | echo __('Thank you for creating with <a href="http://wordpress.org/">WordPress</a>').' | '.__('<a href="http://codex.wordpress.org/">Documentation</a>').' | '.__('<a href="http://wordpress.org/support/forum/4">Feedback</a>').' '.$upgrade; |
| 9 | ?></p> |
| 10 | </div> |
| 11 | <?php do_action('admin_footer', ''); ?> |
| 12 | <script type="text/javascript">if(typeof wpOnload=='function')wpOnload();</script> |
| 13 | </body> |
| 14 | </html> |
| 15 | |