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Source View: safe_style_css

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Understanding Source Code

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Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.

Source View

Line Code
2168       * @since 5.0.0 Added support for `background-image`.
2169       * @since 5.1.0 Added support for `text-transform`.
2170       * @since 5.2.0 Added support for `background-position` and `grid-template-columns`.
2171       * @since 5.3.0 Added support for `grid`, `flex` and `column` layout properties.
2172       *              Extend `background-*` support of individual properties.
2173       * @since 5.3.1 Added support for gradient backgrounds.
2174       *
2175       * @param string[] $attr Array of allowed CSS attributes.
2176       */
2177      $allowed_attr = apply_filters(
2178           'safe_style_css',
2179           array(
2180                'background',
2181                'background-color',
2182                'background-image',
2183                'background-position',
2184                'background-size',
2185                'background-attachment',
2186                'background-blend-mode',