技术问答PHP涓€庝箞鐢熸垚涓€涓敮涓€鐨勯殢鏈哄瓧绗︿覆 - 扬州沐宇科技

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```php

$randomString = md5(uniqid(rand(), true));

```

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```php

$randomString = bin2hex(openssl_random_pseudo_bytes(16));

```

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