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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.
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51 |
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52 | /** |
53 | * Filters the arguments for `twentytwenty_site_logo()`. |
54 | * |
55 | * @since Twenty Twenty 1.0 |
56 | * |
57 | * @param array $args Parsed arguments. |
58 | * @param array $defaults Function's default arguments. |
59 | */ |
60 | $args = apply_filters( 'twentytwenty_site_logo_args', $args, $defaults ); |
61 |
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62 | if ( has_custom_logo() ) { |
63 | $contents = sprintf( $args['logo'], $logo, esc_html( $site_title ) ); |
64 | $classname = $args['logo_class']; |
65 | } else { |
66 | $contents = sprintf( $args['title'], esc_url( get_home_url( null, '/' ) ), esc_html( $site_title ) ); |
67 | $classname = $args['title_class']; |
68 | } |
69 |
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