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php-关于资金提现和判断的问题!PHP

WBOY
WBOYOriginal
2016-06-02 11:30:551187browse

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网站上有充值提现功能,我想实现给特定用户提现的时候提现金额实现限制和判断。

例如:如果是用户ID为001的用户提现的话,那么他最高可提现金额等于 账户总金额----首次充值的金额。其他账户没有限制, 具体 要怎么实现判断和限制。

求助好心的大神帮忙!

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