");
$Number = round (23.50); //anything .50 and above is rounded up
print ("The round() of 23.50 is $Number. \n
");
//ceil() and floor() are two other functions
$Number = abs (-23); //absolute value
print ("The abs() of -23 is $Number. \n
");
$Number = abs (23);
print ("The abs() of 23 is $Number. \n
");
//You must use srand() before calling rand() in order to guarantee truly random numbers.
//srand() is used to seed rand()
srand ((double) microtime() * 1000000);
$RandomNumber = rand();
print ("Generate with srand() seed function => $RandomNumber \n
");
$RandomNumber = rand (0,10);
print ("Take a minimum (0) and maximum (10) parameter => $RandomNumber \n
");
?>