Filters the check for unsafe CSS in safecss_filter_attr.

Description

Enables developers to determine whether a section of CSS should be allowed or discarded.
By default, the value will be false if the part contains \ ( & } = or comments.
Return true to allow the CSS part to be included in the output.

Parameters

$allow_cssbool

Whether the CSS in the test string is considered safe.

$css_test_stringstring

The CSS string to test.

Source

$allow_css = apply_filters( 'safecss_filter_attr_allow_css', $allow_css, $css_test_string );

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