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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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39 | return $url; |
40 | } |
41 |
|
42 | function get_comments_number( $comment_id ) { |
43 | global $wpdb, $comment_count_cache; |
44 | $comment_id = (int) $comment_id; |
45 | if (!isset($comment_count_cache[$comment_id])) |
46 | $comment_count_cache[$comment_id] = $wpdb->get_var("SELECT COUNT(*) FROM $wpdb->comments WHERE comment_post_ID = '$comment_id' AND comment_approved = '1'"); |
47 | |
48 | return apply_filters('get_comments_number', $comment_count_cache[$comment_id]); |
49 | } |
50 |
|
51 | function comments_number( $zero = 'No Comments', $one = '1 Comment', $more = '% Comments', $number = '' ) { |
52 | global $id, $comment; |
53 | $number = get_comments_number( $id ); |
54 | if ($number == 0) { |
55 | $blah = $zero; |
56 | } elseif ($number == 1) { |
57 | $blah = $one; |