These two functions sort an array by values using a user-defined comparison function. If you want to sort a PHP multidimensional array order by values, you can use the usort() function.īut, the usort() function does not keep the array keys, and if you wish to keep the keys you can use the uasort() function. You can do the natural sorting by using the natsort() function that orders alphanumeric strings in the way a human being would while maintaining key/value associations, and the values keep their original keys. krsort() is for sorting by keys in descending order.
• ksort() is for sorting by keys in ascending order. A nice way to do sorting of a key on a multi-dimensional array without having to know what keys you have in the array first:If you want to sort an associative array in ascending or descending order by key, use the ksort() or krsort() function. arsort() is for sorting by values in descending order.asort() is for sorting by values in ascending order.Tip: Use the asort () function to sort an associative array in ascending order, according to the value. Tip: Use the krsort () function to sort an associative array in descending order, according to the key. If you want to sort an associative array in ascending or descending order by value but also want to keep the array keys, use the asort() or arsort() function. I would like to sort below array based on amount but I don't know how. Definition and Usage The ksort () function sorts an associative array in ascending order, according to the key. But these functions will convert the associative array into a numeric array. You can use the sort() or rsort() function to sort an associative array in ascending or descending order. Sort associative arrays in ascending and descending order by value The rsort() function is similar to the sort() function, but this function sorts an array in descending order by values.
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