";
echo "Line Number " . __LINE__;
echo "
";
echo "Version " . phpversion();
echo "
";
echo "OS " . php_uname();
$a = -100;
$b = 50;
$c= 30;
echo "
";
echo "\$a = " . $a . "
";
echo "\$b = " . $b . "
";
echo "\$c = " . $c . "
";
echo "
";
echo "\$a + \$b = " . ($a + $b) . "
";
echo "\$a - \$b = " . ($a - $b) . "
";
echo "\$a * \$b = " . ($a * $b) . "
";
echo "\$a / \$b = " . ($a / $b) . "
";
echo "\$a %\$b = " . ($a % $b) . "
";
echo "
";
echo "Calc a ++ for " . ++$a . "
";
echo "
";
echo "Calc b -- for " . --$b . "
";
echo "
";
$a = true;
$b = true;
$c = false;
if ($a == $b and $c){
echo "TRUE";
echo "
";
} else {
echo "FALSE";
echo "
";
}
$a = true;
$b = 100;
var_dump($a + $b);
echo "
";
$b = false;
var_dump($a + $b);
echo "
";
$a = "abc100";
$b = 100;
var_dump($a . $b);
echo "
";