original_string: public static function get_field(array $r, array $where, string $field){
      if ( ($res = self::get_row($r, $where)) && isset($res[$field]) ){
        return $res[$field];
      }
      return false;
    }
code: public static function get_field(array $r, array $where, string $field){
      if ( ($res = self::get_row($r, $where)) && isset($res[$field]) ){
        return $res[$field];
      }
      return false;
    }
code_tokens: public static function get_field ( array $ r , array $ where , string $ field ) { if ( ( $ res = self :: get_row ( $ r , $ where ) ) && isset ( $ res [ $ field ] ) ) { return $ res [ $ field ] ; } return false ; }
docstring: Returns the first value of a specific field of an array.
  
  ```php
  \bbn\x::dump(\bbn\x::get_row([[
  'id' => 1,
  'name' => 'Andrew',
  'fname' => 'Williams'
  ], [
  'id' => 2,
  'name' => 'Albert',
  'fname' => 'Taylor'
  ], [
  'id' => 3,
  'name' => 'Mike',
  'fname' => 'Smith'
  ], [
  'id' => 4,
  'name' => 'John',
  'fname' => 'White'
  ]], ['name' => 'Albert'],'id'));
  // int 2
  ```
  
  @param array $r The array
  @param array $where The where condition
  @param string $field The field where to look for
  @return bool|mixed
docstring_tokens: Returns the first value of a specific field of an array .