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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 |
|---|---|
| 1549 | $rating = get_option('avatar_rating'); |
| 1550 | if ( !empty( $rating ) ) |
| 1551 | $out .= "&r={$rating}"; |
| 1552 | |
| 1553 | $avatar = "<img alt='{$safe_alt}' src='{$out}' class='avatar avatar-{$size} photo' height='{$size}' width='{$size}' />"; |
| 1554 | } else { |
| 1555 | $avatar = "<img alt='{$safe_alt}' src='{$default}' class='avatar avatar-{$size} photo avatar-default' height='{$size}' width='{$size}' />"; |
| 1556 | } |
| 1557 | |
| 1558 | return apply_filters('get_avatar', $avatar, $id_or_email, $size, $default, $alt); |
| 1559 | } |
| 1560 | endif; |
| 1561 | |
| 1562 | if ( !function_exists('wp_setcookie') ) : |
| 1563 | /** |
| 1564 | * Sets a cookie for a user who just logged in. |
| 1565 | * |
| 1566 | * @since 1.5 |
| 1567 | * @deprecated Use wp_set_auth_cookie() |