Find the length of last word - coding interview question

Ok in this guide we are going to see how to find the length of last word. here is the code and i explain it step by step

    


    
$string =  "hello world";
    
$string =  "hello world wow";
    
// get the length of last word.
    
$charFound = 0;
    
$stringsArray = [];
    
for($i = 0; $i < strlen($string); $i ++)
    
{
    
    if($string[$i] == " ")
    
    {
    
        $stringsArray[] = $charFound;
    
        $charFound = 0;
    }
    elseif (strlen($string) -1  == $i)
    {
        $stringsArray[] = ++$charFound;
        $charFound = 0;
    }
    else
    {
        $charFound++;
    }
}


    
var_dump($stringsArray);