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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 |
---|---|
82 | * Filter the comment author's returned email address. |
83 | * |
84 | * @since 1.5.0 |
85 | * @since 4.1.0 The `$comment_ID` and `$comment` parameters were added. |
86 | * |
87 | * @param string $comment_author_email The comment author's email address. |
88 | * @param int $comment_ID The comment ID. |
89 | * @param object $comment The comment object. |
90 | */ |
91 | return apply_filters( 'get_comment_author_email', $comment->comment_author_email, $comment_ID, $comment ); |
92 | } |
93 |
|
94 | /** |
95 | * Display the email of the author of the current global $comment. |
96 | * |
97 | * Care should be taken to protect the email address and assure that email |
98 | * harvesters do not capture your commentors' email address. Most assume that |
99 | * their email address will not appear in raw form on the blog. Doing so will |
100 | * enable anyone, including those that people don't want to get the email |