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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 |
---|---|
44 | if ( $image = kubrick_header_image() ) |
45 | $url = get_template_directory_uri() . '/images/' . $image; |
46 | else |
47 | $url = get_template_directory_uri() . '/images/kubrickheader.jpg'; |
48 |
|
49 | return $url; |
50 | } |
51 |
|
52 | function kubrick_header_color() { |
53 | return apply_filters('kubrick_header_color', get_option('kubrick_header_color')); |
54 | } |
55 |
|
56 | function kubrick_header_color_string() { |
57 | $color = kubrick_header_color(); |
58 | if ( false === $color ) |
59 | return 'white'; |
60 |
|
61 | return $color; |
62 | } |