
什么是Localhost?以及它如何应用于WordPress?
wp_apply_typography_support ( $block_type, $block_attributes )
wp_apply_typography_support: 这是一个用于对一个HTML元素应用排版支持的函数。它接受一个HTML字符串和一个排版参数作为输入,并返回应用了排版的修改后的HTML字符串。
在传入的属性数组中添加CSS类和内联样式,用于排版功能,如字体大小。这将被应用到前端的块标记中。
function wp_apply_typography_support( $block_type, $block_attributes ) { if ( ! property_exists( $block_type, 'supports' ) ) { return array(); } $typography_supports = _wp_array_get( $block_type->supports, array( 'typography' ), false ); if ( ! $typography_supports ) { return array(); } if ( wp_should_skip_block_supports_serialization( $block_type, 'typography' ) ) { return array(); } $has_font_family_support = _wp_array_get( $typography_supports, array( '__experimentalFontFamily' ), false ); $has_font_size_support = _wp_array_get( $typography_supports, array( 'fontSize' ), false ); $has_font_style_support = _wp_array_get( $typography_supports, array( '__experimentalFontStyle' ), false ); $has_font_weight_support = _wp_array_get( $typography_supports, array( '__experimentalFontWeight' ), false ); $has_letter_spacing_support = _wp_array_get( $typography_supports, array( '__experimentalLetterSpacing' ), false ); $has_line_height_support = _wp_array_get( $typography_supports, array( 'lineHeight' ), false ); $has_text_decoration_support = _wp_array_get( $typography_supports, array( '__experimentalTextDecoration' ), false ); $has_text_transform_support = _wp_array_get( $typography_supports, array( '__experimentalTextTransform' ), false ); // Whether to skip individual block support features. $should_skip_font_size = wp_should_skip_block_supports_serialization( $block_type, 'typography', 'fontSize' ); $should_skip_font_family = wp_should_skip_block_supports_serialization( $block_type, 'typography', 'fontFamily' ); $should_skip_font_style = wp_should_skip_block_supports_serialization( $block_type, 'typography', 'fontStyle' ); $should_skip_font_weight = wp_should_skip_block_supports_serialization( $block_type, 'typography', 'fontWeight' ); $should_skip_line_height = wp_should_skip_block_supports_serialization( $block_type, 'typography', 'lineHeight' ); $should_skip_text_decoration = wp_should_skip_block_supports_serialization( $block_type, 'typography', 'textDecoration' ); $should_skip_text_transform = wp_should_skip_block_supports_serialization( $block_type, 'typography', 'textTransform' ); $should_skip_letter_spacing = wp_should_skip_block_supports_serialization( $block_type, 'typography', 'letterSpacing' ); $typography_block_styles = array(); if ( $has_font_size_support && ! $should_skip_font_size ) { $preset_font_size = array_key_exists( 'fontSize', $block_attributes ) ? "var:preset|font-size|{$block_attributes['fontSize']}" : null; $custom_font_size = isset( $block_attributes['style']['typography']['fontSize'] ) ? $block_attributes['style']['typography']['fontSize'] : null; $typography_block_styles['fontSize'] = $preset_font_size ? $preset_font_size : wp_get_typography_font_size_value( array( 'size' => $custom_font_size, ) ); } if ( $has_font_family_support && ! $should_skip_font_family ) { $preset_font_family = array_key_exists( 'fontFamily', $block_attributes ) ? "var:preset|font-family|{$block_attributes['fontFamily']}" : null; $custom_font_family = isset( $block_attributes['style']['typography']['fontFamily'] ) ? wp_typography_get_preset_inline_style_value( $block_attributes['style']['typography']['fontFamily'], 'font-family' ) : null; $typography_block_styles['fontFamily'] = $preset_font_family ? $preset_font_family : $custom_font_family; } if ( $has_font_style_support && ! $should_skip_font_style && isset( $block_attributes['style']['typography']['fontStyle'] ) ) { $typography_block_styles['fontStyle'] = wp_typography_get_preset_inline_style_value( $block_attributes['style']['typography']['fontStyle'], 'font-style' ); } if ( $has_font_weight_support && ! $should_skip_font_weight && isset( $block_attributes['style']['typography']['fontWeight'] ) ) { $typography_block_styles['fontWeight'] = wp_typography_get_preset_inline_style_value( $block_attributes['style']['typography']['fontWeight'], 'font-weight' ); } if ( $has_line_height_support && ! $should_skip_line_height ) { $typography_block_styles['lineHeight'] = _wp_array_get( $block_attributes, array( 'style', 'typography', 'lineHeight' ) ); } if ( $has_text_decoration_support && ! $should_skip_text_decoration && isset( $block_attributes['style']['typography']['textDecoration'] ) ) { $typography_block_styles['textDecoration'] = wp_typography_get_preset_inline_style_value( $block_attributes['style']['typography']['textDecoration'], 'text-decoration' ); } if ( $has_text_transform_support && ! $should_skip_text_transform && isset( $block_attributes['style']['typography']['textTransform'] ) ) { $typography_block_styles['textTransform'] = wp_typography_get_preset_inline_style_value( $block_attributes['style']['typography']['textTransform'], 'text-transform' ); } if ( $has_letter_spacing_support && ! $should_skip_letter_spacing && isset( $block_attributes['style']['typography']['letterSpacing'] ) ) { $typography_block_styles['letterSpacing'] = wp_typography_get_preset_inline_style_value( $block_attributes['style']['typography']['letterSpacing'], 'letter-spacing' ); } $attributes = array(); $styles = wp_style_engine_get_styles( array( 'typography' => $typography_block_styles ), array( 'convert_vars_to_classnames' => true ) ); if ( ! empty( $styles['classnames'] ) ) { $attributes['class'] = $styles['classnames']; } if ( ! empty( $styles['css'] ) ) { $attributes['style'] = $styles['css']; } return $attributes; }