The uasort() function sorts an array by a user defined comparison function.
This function does not assigns new keys for the elements in the array.
This function returns TRUE on success, or FALSE on failure.
This function is useful for sorting with custom algorithms.
The function must return -1, 0, or 1 for this
method to work correctly. It should be written to accept two parameters to compare, and
it should work something like this:
The output of the code above will be:
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