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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 |
|---|---|
| 60 | if ( $image = kubrick_header_image() ) |
| 61 | $url = get_template_directory_uri() . '/images/' . $image; |
| 62 | else |
| 63 | $url = get_template_directory_uri() . '/images/kubrickheader.jpg'; |
| 64 | |
| 65 | return $url; |
| 66 | } |
| 67 | |
| 68 | function kubrick_header_color() { |
| 69 | return apply_filters('kubrick_header_color', get_option('kubrick_header_color')); |
| 70 | } |
| 71 | |
| 72 | function kubrick_header_color_string() { |
| 73 | $color = kubrick_header_color(); |
| 74 | if ( false === $color ) |
| 75 | return 'white'; |
| 76 | |
| 77 | return $color; |
| 78 | } |