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常量值类实现（PHP 7的枚举模拟）。

注意：仅支持int和string值。

示例

常量值类

请参阅tests/unit/WebServCo/ConstantValueClass/Example.php

用法

class Shipment
{
    public function send(Type $type): bool
    {
        // ...
    }
}
$shipment = new Shipment();
$shipment->send(Type::import());

// or
$type = 2; // request parameter, user input, etc
$shipment->send(Type::fromValue($type));

// get value (exact type) (eg. for form select)
echo Type::import()->value(); // outputs "1"

// get string representation of value
echo Type::import(); // outputs "1"

// comparison
$import = Type::fromValue(2);
if (Type::import() === $import) {
    // === works as long as the object is created in the current script run,
    // not for example created elsewhere and stored serialized in session.
}

webservco / constant-value-class

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详细信息

README

示例

常量值类

用法