$i = 1;while (1) {echo "$i";"$i++";}?>

$a = 10;$b = "";if(!$b) {echo "true ";} else {echo "false ";}if($a==10 or $b==10) {echo "true ";} else {echo "false ";}if($a==10 and $b==10) {echo "true";} else {echo "false";}?>

$alpha = array (array ("a","b","c"), array("A","B","C"));echo $alpha[0][0];echo $alpha[0][1];echo $alpha[0][2];echo $alpha[1][0];echo $alpha[1][1];echo $alpha[1][2];?>

$numbering = array ("1","2","3","4","5","6","7","8","9","10");$size = sizeof($numbering);for ($i=0;$i {        echo "$numbering[$i] ";}?>

$fruit[0] = "1";$fruit[1] = "2";$fruit[2] = "3";$fruit[3] = "4";echo "first $fruit[0] ";echo "second $fruit[1] ";echo "third $fruit[2] ";echo "fourth $fruit[3] ";?>

$version = PHP_VERSION;$os = PHP_OS;echo " $os $version";?>

더 좋은 코드가 있으면 지적 부탁드립니다.