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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 |
|---|---|
| 24 | * |
| 25 | * @since Twenty Sixteen 1.0 |
| 26 | * |
| 27 | * @param array $args { |
| 28 | * An array of custom-background support arguments. |
| 29 | * |
| 30 | * @type string $default-color Default color of the background. |
| 31 | * } |
| 32 | */ |
| 33 | add_theme_support( 'custom-background', apply_filters( 'twentysixteen_custom_background_args', array( |
| 34 | 'default-color' => $default_background_color, |
| 35 | ) ) ); |
| 36 | |
| 37 | /** |
| 38 | * Filter the arguments used when adding 'custom-header' support in Twenty Sixteen. |
| 39 | * |
| 40 | * @since Twenty Sixteen 1.0 |
| 41 | * |
| 42 | * @param array $args { |