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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 |
|---|---|
| 12 | ?> |
| 13 | |
| 14 | <div class="clear"></div></div><!-- wpbody-content --> |
| 15 | <div class="clear"></div></div><!-- wpbody --> |
| 16 | <div class="clear"></div></div><!-- wpcontent --> |
| 17 | </div><!-- wpwrap --> |
| 18 | |
| 19 | <div id="footer"> |
| 20 | <p id="footer-left" class="alignleft"><?php |
| 21 | do_action( 'in_admin_footer' ); |
| 22 | $upgrade = apply_filters( 'update_footer', '' ); |
| 23 | echo apply_filters( 'admin_footer_text', '<span id="footer-thankyou">' . __('Thank you for creating with <a href="http://wordpress.org/">WordPress</a>.').'</span> | '.__('<a href="http://codex.wordpress.org/">Documentation</a>').' | '.__('<a href="http://wordpress.org/support/forum/4">Feedback</a>') ); ?> |
| 24 | </p> |
| 25 | <p id="footer-upgrade" class="alignright"><?php echo $upgrade; ?></p> |
| 26 | <div class="clear"></div> |
| 27 | </div> |
| 28 | <?php |
| 29 | do_action('admin_footer', ''); |
| 30 | do_action('admin_print_footer_scripts'); |