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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 |
|---|---|
| 1746 | if ( !empty( $rating ) ) |
| 1747 | $out .= "&r={$rating}"; |
| 1748 | |
| 1749 | $out = str_replace( '&', '&', esc_url( $out ) ); |
| 1750 | $avatar = "<img alt='{$safe_alt}' src='{$out}' class='avatar avatar-{$size} photo' height='{$size}' width='{$size}' />"; |
| 1751 | } else { |
| 1752 | $avatar = "<img alt='{$safe_alt}' src='{$default}' class='avatar avatar-{$size} photo avatar-default' height='{$size}' width='{$size}' />"; |
| 1753 | } |
| 1754 | |
| 1755 | return apply_filters('get_avatar', $avatar, $id_or_email, $size, $default, $alt); |
| 1756 | } |
| 1757 | endif; |
| 1758 | |
| 1759 | if ( !function_exists( 'wp_text_diff' ) ) : |
| 1760 | /** |
| 1761 | * Displays a human readable HTML representation of the difference between two strings. |
| 1762 | * |
| 1763 | * The Diff is available for getting the changes between versions. The output is |
| 1764 | * HTML, so the primary use is for displaying the changes. If the two strings |