safe_style_css filter-hook . WP 2.8.1

Filters list of allowed CSS attributes.

Usage

add_filter( 'safe_style_css', 'filter_function_name_7670' );
function filter_function_name_7670( $attr ){
	// filter...

	return $attr;
}

$attr(string[]): Array of allowed CSS attributes.

Notes

Since 4.4.0 Added support for min-height, max-height, min-width, and max-width.
Since 4.6.0 Added support for list-style-type.
Since 5.0.0 Added support for background-image.
Since 5.1.0 Added support for text-transform.

Where the hook is called

safecss_filter_attr()

safe_style_css

wp-includes/kses.php 2068-2142

$allowed_attr = apply_filters(
	'safe_style_css',
	array(
		'background',
		'background-color',
		'background-image',

		'border',
		'border-width',
		'border-color',
		'border-style',
		'border-right',
		'border-right-color',
		'border-right-style',
		'border-right-width',
		'border-bottom',
		'border-bottom-color',
		'border-bottom-style',
		'border-bottom-width',
		'border-left',
		'border-left-color',
		'border-left-style',
		'border-left-width',
		'border-top',
		'border-top-color',
		'border-top-style',
		'border-top-width',

		'border-spacing',
		'border-collapse',
		'caption-side',

		'color',
		'font',
		'font-family',
		'font-size',
		'font-style',
		'font-variant',
		'font-weight',
		'letter-spacing',
		'line-height',
		'text-align',
		'text-decoration',
		'text-indent',
		'text-transform',

		'height',
		'min-height',
		'max-height',

		'width',
		'min-width',
		'max-width',

		'margin',
		'margin-right',
		'margin-bottom',
		'margin-left',
		'margin-top',

		'padding',
		'padding-right',
		'padding-bottom',
		'padding-left',
		'padding-top',

		'clear',
		'cursor',
		'direction',
		'float',
		'overflow',
		'vertical-align',
		'list-style-type',
	)
);

Where the hook is used (in WP core)

Does not used.