Question

What is the equivalent of Python set(string) in PHP

Answer 1

function set($str) {
    $array = str_split($str);
    $st = array_combine($array, $array);
    
    return $st;
}

$str = "PHP Programming";

print_r(set($str));
         


 
/*
run:
   
Array
(
    [P] => P
    [H] => H
    [ ] =>  
    [r] => r
    [o] => o
    [g] => g
    [a] => a
    [m] => m
    [i] => i
    [n] => n
)
   
*/

 

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