Another caveat of the contract-free version of the 4S: You may be subject to a credit check, and you must be 18 or older to purchase it.

有关无需合约的4S版本的另一个警告：您必须接受信用检查，必须年满18岁。

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To use the command line version of PHP to test scripts, the php.exe file under the cli directory where you installed PHP must be used.

为了用命令行版本的php来测试脚本，就必须使用安装了php的cli目录下的php . exe文件。

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If you must make a change that would be incompatible with a released version, for whatever reason, then there is a back door of temporarily disabling this constraint.

如果您必须做出一个变更，使它与发布版本不相兼容，不管是什么原因，那么就会有一个临时后门丧失这个约束的能力。

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