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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 |
---|---|
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); |
68 | } |
69 |
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70 | function comment_author_url() { |
71 | echo apply_filters('comment_url', get_comment_author_url()); |
72 | } |
73 |
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74 | function get_comment_author_url_link( $linktext = '', $before = '', $after = '' ) { |
75 | global $comment; |
76 | $url = get_comment_author_url(); |
77 | $display = ($linktext != '') ? $linktext : $url; |
78 | $display = str_replace( 'http://www.', '', $display ); |
79 | $display = str_replace( 'http://', '', $display ); |
80 | if ( '/' == substr($display, -1) ) |