Question

How to find the length of the second smallest word in a string with PHP

Answer 1

function secondSmallestWordLength($str) {
    $arr = explode(" ",$str);
    
    if (count($arr) < 2) {
        return -1;
    }
    
    $lengths = array_fill(0, count($arr), 0);
    
    for ($i = 0; $i < count($arr); $i++) {
        $lengths[$i] = strlen($arr[$i]);
    }

    sort($lengths);
    
    return $lengths[1];
}

$str = "c# java php python javascript";

echo secondSmallestWordLength($str);



/*
run:

3

*/

 

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