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UnitEnum 接口
(PHP 8 >= 8.1.0)
简介
引擎会自动应用
UnitEnum
接口到所有枚举。 用户自定义类不能实现该接口。 由于引擎已提供枚举的默认实现,因此不能重载它的接口。 主要将它用于类型检测。
接口摘要
interface
UnitEnum
{
/* 方法 */
public
static
function
cases
():
array
}
目录
UnitEnum::cases
— 生成枚举的条目清单
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pcntl_sigtimedwait
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boolval
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imap_body
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mb_strpos
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swoole_native_socket_bind
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Arr::prependKeysWith
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zend_version
Gets the version of the current Zend engine
^