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PHP Arrays

Sort Array (Ascending Order), According to Key - ksort()

Key=Ben, Value=37
Key=Joe, Value=43
Key=Peter, Value=35

<?php
// define $age array
$age = array("Peter"=>"35", "Ben"=>"37", "Joe"=>"43");

// sort array in ascending key order
ksort($age);

// display array in new order
foreach($age as $x => $x_value) {
  echo "Key=" . $x . ", Value=" . $x_value;
  echo "<br>";
}
?>