Dom\TokenList::supports

(PHP 8 >= 8.4.0)

Dom\TokenList::supports — Returns whether the given token is supported

public Dom\TokenList::supports(string $token): bool

Returns whether token is in the associated attribute's supported tokens.

成功时返回 true，或者在失败时返回 false。

Throws a TypeError when the attribute does not define a supported tokens list.

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