original_string: public static function toString(array $arr, $kvsep, $psep)
      {
          $result = [];
  
          foreach ($arr as $k => $v) {
              $result[] = "{$k}{$kvsep}{$v}";
          }
  
          return implode($psep, $result);
      }
code: public static function toString(array $arr, $kvsep, $psep)
      {
          $result = [];
  
          foreach ($arr as $k => $v) {
              $result[] = "{$k}{$kvsep}{$v}";
          }
  
          return implode($psep, $result);
      }
code_tokens: public static function toString ( array $ arr , $ kvsep , $ psep ) { $ result = [ ] ; foreach ( $ arr as $ k => $ v ) { $ result [ ] = "{$k}{$kvsep}{$v}" ; } return implode ( $ psep , $ result ) ; }
docstring: Makes a string from array by concatenating each key with it value and subsequent concatenation
  the resulted string with each other
  
  @param array $arr
  @param string $kvsep Key and value separator ($key1$kvsep$value1)
  @param string $psep Key-Value pairs separator ($key1$kvsep$value1$psep$key2$kvsep$value2$psep...)
  @return string
docstring_tokens: Makes a string from array by concatenating each key with it value and subsequent concatenation the resulted string with each other