public function test20() {
echo $this->test1;
echo $this->test2;
echo $this->test3;
$array = array(
1,
2,
3,
4,
5,
6,
7,
8,
9,
10,
);
foreach ($array as $key => $value) {
echo $key . ' => ' . $value;
}
$val = (string) self::TEST1;
$val .= (string) self::TEST2;
$val .= (string) self::TEST3;
$val .= (string) self::TEST4;
$val .= (string) self::TEST5;
$val .= (string) self::TEST6;
$val .= (string) self::TEST7;
$val .= (string) self::TEST8;
$val .= (string) self::TEST9;
strtolower($val);
return $val;
}