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$n = 10000; var_dump($n); /* run: int(10000) */
$n = 3.14; var_dump($n); /* run: float(3.14) */
$n = "abc"; var_dump($n); /* run: string(3) "abc" */
$n = "a"; var_dump($n); /* run: string(1) "a" */
$n = 'b'; var_dump($n); /* run: string(1) "b" */
$n = null; var_dump($n); /* run: NULL */
$a = true; var_dump($a); echo "<br />"; $b = false; var_dump($b); /* run: bool(true) bool(false) */
$arr = array("C", "Assembler", "PC-MAC"); var_dump($arr); /* run: array(3) { [0]=> string(1) "C" [1]=> string(9) "Assembler" [2]=> string(6) "PC-MAC" } */
class Test { function F() { echo "class Test"; } } $o = new Test(); var_dump($o); /* run: object(Test)#1 (0) { } */