PHP-问号的用法-三元运算符
$shenhe=$val['available']?"已审核":"未审核" 其实，这就是一个if语句的缩写，C语言里的语法，条件表达式e1??e2:e3，若e1为真(非0),则此表达式的值为e2的值；若[……]
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