An initial a means the function sorts by value but maintains the key/value pairs association. An initial k means the function sorts by key but maintains the key/value pairs association. An initial r ...

This algorithm works by running through the array and swapping a value for the next value along if that value is less than the current value. After the first run through the highest value in the array ...

Most of time we need to sort php array as ascending order or descending order but some case we need to sort array by particular column.

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