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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 |
|---|---|
| 1673 | $rating = get_option('avatar_rating'); |
| 1674 | if ( !empty( $rating ) ) |
| 1675 | $out .= "&r={$rating}"; |
| 1676 | |
| 1677 | $avatar = "<img alt='{$safe_alt}' src='{$out}' class='avatar avatar-{$size} photo' height='{$size}' width='{$size}' />"; |
| 1678 | } else { |
| 1679 | $avatar = "<img alt='{$safe_alt}' src='{$default}' class='avatar avatar-{$size} photo avatar-default' height='{$size}' width='{$size}' />"; |
| 1680 | } |
| 1681 | |
| 1682 | return apply_filters('get_avatar', $avatar, $id_or_email, $size, $default, $alt); |
| 1683 | } |
| 1684 | endif; |
| 1685 | |
| 1686 | if ( !function_exists( 'wp_text_diff' ) ) : |
| 1687 | /** |
| 1688 | * Displays a human readable HTML representation of the difference between two strings. |
| 1689 | * |
| 1690 | * The Diff is available for getting the changes between versions. The output is |
| 1691 | * HTML, so the primary use is for displaying the changes. If the two strings |