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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 |
|---|---|
| 203 | $selected = ($default == $default_key) ? 'checked="checked" ' : ''; |
| 204 | $avatar_list .= "\n\t<label><input type='radio' name='avatar_default' id='avatar_{$default_key}' value='{$default_key}' {$selected}/> "; |
| 205 | |
| 206 | $avatar = get_avatar( $user_email, $size, $default_key ); |
| 207 | $avatar_list .= preg_replace("/src='(.+?)'/", "src='\$1&forcedefault=1'", $avatar); |
| 208 | |
| 209 | $avatar_list .= ' ' . $default_name . '</label>'; |
| 210 | $avatar_list .= '<br />'; |
| 211 | } |
| 212 | echo apply_filters('default_avatar_select', $avatar_list); |
| 213 | ?> |
| 214 | |
| 215 | </fieldset></td> |
| 216 | </tr> |
| 217 | <?php do_settings_fields('discussion', 'avatars'); ?> |
| 218 | </table> |
| 219 | |
| 220 | <?php do_settings_sections('discussion'); ?> |
| 221 | |