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array_multisort($name,SORT_ASC,$age,SORT_DESC,$arr); This sentence is only valid for $name, but not for $age. So is it redundant to write $age?

array_multisort($name,SORT_ASC,$age,SORT_DESC,$arr); This sentence is only valid for $name, but not for $age. So is it redundant to write $age?

时不待我 2017-08-09 21:27:25

Why can get and set control lowercase age? But when defined, Age is capitalized!

Why can get and set control lowercase age? But when defined, Age is capitalized!

柏里晗 2018-05-13 21:45:46

Questions about array_multisort($name,SORT_ASC,$age,SORT_DESC,$arr);;

This function should be array_multisort(array1, sorting order, sorting type, array2, array3...) so $name is sorted first, then $age is sorted, and then $arr is sorted. The final returned result is represented by print_r($arr), that is, only $arr is sorted. It is not returned to $arr as the teacher s...

太山遍雨河润千里 2018-02-22 19:46:03

php - How to perform a range search for an age group field in a format similar to 20-35 in MYSQL?

There is a field age in mysql, which stores the age group. The format class is as shown in the figure. If it is 0-0, it is not limited. The current demand is to search according to the age group. For example, I want to find all the people between 25- Data between 34 years old. Then the problem comes...

代言 2017-06-10 09:47:49