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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 |
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49 | return apply_filters('get_comment_author_link', $return); |
50 | } |
51 |
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52 | function comment_author_link() { |
53 | echo get_comment_author_link(); |
54 | } |
55 |
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56 | function get_comment_author_IP() { |
57 | global $comment; |
58 | return apply_filters('get_comment_author_IP', $comment->comment_author_IP); |
59 | } |
60 |
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61 | function comment_author_IP() { |
62 | echo get_comment_author_IP(); |
63 | } |
64 |
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65 | function get_comment_author_url() { |
66 | global $comment; |
67 | return apply_filters('get_comment_author_url', $comment->comment_author_url); |