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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 |
---|---|
1384 | $rating = get_option('avatar_rating'); |
1385 | if ( !empty( $rating ) ) |
1386 | $out .= "&r={$rating}"; |
1387 |
|
1388 | $avatar = "<img alt='' src='{$out}' class='avatar avatar-{$size}' height='{$size}' width='{$size}' />"; |
1389 | } else { |
1390 | $avatar = "<img alt='' src='{$default}' class='avatar avatar-{$size} avatar-default' height='{$size}' width='{$size}' />"; |
1391 | } |
1392 |
|
1393 | return apply_filters('get_avatar', $avatar, $id_or_email, $size, $default); |
1394 | } |
1395 | endif; |
1396 |
|
1397 | if ( !function_exists('wp_setcookie') ) : |
1398 | /** |
1399 | * Sets a cookie for a user who just logged in. |
1400 | * |
1401 | * @since 1.5 |
1402 | * @deprecated Use wp_set_auth_cookie() |