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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 |
---|---|
1585 | $rating = get_option('avatar_rating'); |
1586 | if ( !empty( $rating ) ) |
1587 | $out .= "&r={$rating}"; |
1588 |
|
1589 | $avatar = "<img alt='{$safe_alt}' src='{$out}' class='avatar avatar-{$size} photo' height='{$size}' width='{$size}' />"; |
1590 | } else { |
1591 | $avatar = "<img alt='{$safe_alt}' src='{$default}' class='avatar avatar-{$size} photo avatar-default' height='{$size}' width='{$size}' />"; |
1592 | } |
1593 |
|
1594 | return apply_filters('get_avatar', $avatar, $id_or_email, $size, $default, $alt); |
1595 | } |
1596 | endif; |
1597 |
|
1598 | if ( !function_exists('wp_setcookie') ) : |
1599 | /** |
1600 | * Sets a cookie for a user who just logged in. |
1601 | * |
1602 | * @since 1.5 |
1603 | * @deprecated Use wp_set_auth_cookie() |