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<?php |
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/** |
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* Compatibility shims for KSES (content filtering) for WordPress 7.1. |
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* |
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* @package gutenberg |
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*/ |
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|
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/** |
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* Adds SVG presentation attributes to the list of safe CSS properties. |
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* |
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* The {@see safecss_filter_attr()} function only keeps allowlisted CSS properties, so SVG |
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* presentation attributes such as `fill` are stripped by default. This allows |
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* the SVG-specific ones. |
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* |
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* @param string[] $attr Array of allowed CSS attributes. |
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* @return string[] Modified array of allowed CSS attributes. |
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*/ |
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function gutenberg_add_svg_to_safe_style_css( array $attr ): array { |
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$svg_properties = array( |
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// Fill. |
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'fill', |
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'fill-opacity', |
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'fill-rule', |
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|
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// Stroke. |
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'stroke', |
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'stroke-dasharray', |
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'stroke-dashoffset', |
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'stroke-linecap', |
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'stroke-linejoin', |
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'stroke-miterlimit', |
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'stroke-opacity', |
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'stroke-width', |
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|
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// Paint. |
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'color-interpolation', |
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'color-interpolation-filters', |
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'paint-order', |
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'stop-color', |
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'stop-opacity', |
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'flood-color', |
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'flood-opacity', |
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'lighting-color', |
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|
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// Markers. |
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'marker', |
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'marker-end', |
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'marker-mid', |
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'marker-start', |
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|
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// Clipping and masking. |
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'clip-path', |
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'clip-rule', |
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'mask', |
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'mask-type', |
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|
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// Geometry. |
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'cx', |
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'cy', |
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'r', |
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'rx', |
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'ry', |
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'x', |
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'y', |
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'd', |
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|
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// Text. |
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'alignment-baseline', |
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'baseline-shift', |
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'dominant-baseline', |
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'glyph-orientation-horizontal', |
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'glyph-orientation-vertical', |
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'text-anchor', |
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'unicode-bidi', |
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'word-spacing', |
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|
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// Font. |
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'font-size-adjust', |
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'font-stretch', |
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|
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// Rendering. |
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'color-rendering', |
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'image-rendering', |
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'shape-rendering', |
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'text-rendering', |
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'vector-effect', |
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|
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// Transforms. |
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'transform', |
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'transform-origin', |
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|
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// Interactivity and visibility. |
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'pointer-events', |
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'visibility', |
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); |
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|
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return array_unique( array_merge( $attr, $svg_properties ) ); |
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} |
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add_filter( 'safe_style_css', 'gutenberg_add_svg_to_safe_style_css' ); |
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|
