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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 |
|---|---|
| 1252 | $rating = get_option('avatar_rating'); |
| 1253 | if ( !empty( $rating ) ) |
| 1254 | $out .= "&r={$rating}"; |
| 1255 | |
| 1256 | $avatar = "<img alt='' src='{$out}' class='avatar avatar-{$size}' height='{$size}' width='{$size}' />"; |
| 1257 | } else { |
| 1258 | $avatar = "<img alt='' src='{$default}' class='avatar avatar-{$size} avatar-default' height='{$size}' width='{$size}' />"; |
| 1259 | } |
| 1260 | |
| 1261 | return apply_filters('get_avatar', $avatar, $id_or_email, $size, $default); |
| 1262 | } |
| 1263 | endif; |
| 1264 | |
| 1265 | if ( !function_exists('wp_setcookie') ) : |
| 1266 | /** |
| 1267 | * wp_setcookie() - Sets a cookie for a user who just logged in |
| 1268 | * |
| 1269 | * @since 1.5 |
| 1270 | * @deprecated Use wp_set_auth_cookie() |