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    php empty函数 使用说明

    2020-02-16 标签:php,empty,函数,使用说明,determine,whether,a,variable,considered,但是在,记忆,很长,一段时间,应该是,能够,判断,东西,是否,空的,直到

    Determine whether a variable is considered to be empty. 但是在我的记忆中，有很长一段时间一直以为empty应该是能够判断一个东西是否为空的，直到有一天我像这样“empty(trim($a))”使用的时候出现了error，然后查手册才知道了原来e

    How do I change MySQL timezone?
    MySQL

    How do I change MySQL timezone?

    2020-02-16 标签:i,change,mysql,timezone,however,ways,results,preferred,first,determine,hours,desired,off,mst,example,est,pst,hour

    However, there are ways for you to get results that are in your preferred timezone. First determine how many hours your desired timezone is off from M