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wp_register_background_support is private and should not be used in themes or plugins directly.
wp_register_background_support › WordPress Function
Since6.4.0
已弃用n/a
› wp_register_background_support ( $block_type )
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Registers the style block attribute for block types that support it.
源码
function wp_register_background_support( $block_type ) { // Setup attributes and styles within that if needed. if ( ! $block_type->attributes ) { $block_type->attributes = array(); } // Check for existing style attribute definition e.g. from block.json. if ( array_key_exists( 'style', $block_type->attributes ) ) { return; } $has_background_support = block_has_support( $block_type, array( 'background' ), false ); if ( $has_background_support ) { $block_type->attributes['style'] = array( 'type' => 'object', ); } }