php man page for ksort

KSORT(3)								 1								  KSORT(3)

ksort - Sort an array by key

SYNOPSIS
       bool ksort (array  &$array, [int  $sort_flags = SORT_REGULAR])

DESCRIPTION
	Sorts an array by key, maintaining key to data correlations. This is useful mainly for associative arrays.

PARAMETERS
	      o $array
		- The input array.

	      o $sort_flags
		- You may modify the behavior of the sort using the optional parameter $sort_flags, for details see sort(3).

RETURN VALUES
	Returns TRUE on success or FALSE on failure.

EXAMPLES
       Example #1

	      ksort(3) example

	      <?php
	      $fruits = array("d"=>"lemon", "a"=>"orange", "b"=>"banana", "c"=>"apple");
	      ksort($fruits);
	      foreach ($fruits as $key => $val) {
		  echo "$key = $val
";
	      }
	      ?>

	      The above example will output:

	      a = orange
	      b = banana
	      c = apple
	      d = lemon

SEE ALSO
       asort(3), The comparison of array sorting functions.

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