TypePHP 编译器 https://swoole.com/aot/
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<?php
function nullableValue(#[NotNull] ?string $value): ?string
{
return $value;
}
function unionNullableValue(#[NotNull] string|null $value): string|null
{
return $value;
}
function main(): void
{
$nullableValue = function (#[NotNull] ?string $value): ?string {
return $value;
};
echo $nullableValue('typephp');
}