Question

How to use ksort() function to sort an array by key in PHP

Answer 1

$arr = array(1=>"C", 5=>"PHP", 3=>"C#", 2=>"C++", 4=>"JAVA", 6=>"Visual Basic");
 
ksort($arr);
   
print_r($arr);


/*
run:

Array ( [1] => C [2] => C++ [3] => C# [4] => JAVA [5] => PHP [6] => Visual Basic ) 
   
*/

 

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