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# ksort

ksort -- Sort an array by key

## Description

`int ksort`(array array);

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

Example 1. ksort() example

      1
      2 $fruits = array ("d"=>"lemon", "a"=>"orange", "b"=>"banana", "c"=>"apple");
      3 ksort ($fruits);
      4 for (reset ($fruits); $key = key ($fruits); next ($fruits)) {
      5     echo "fruits[$key] = ".$fruits[$key]."\n";
      6 }
      7

This example would display: `fruits[a] = orange fruits[b] = banana fruits[c] = apple fruits[d] = lemon`

See also asort(), arsort(), sort(), and rsort().

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