问题
Possible Duplicate:
Return variable with the highest value?
I'm trying to come up with a simple way of finding the highest number out of 3 variables.
$1 = 100
$2 = 300
$3 = 200
out of those 3 variables, I want to set a new variable as the highest one ($2)
so:
$highest_number = 300
回答1:
$highest_number = max($1, $2, $3);
OR
$values = array($1, $2, $3);
$highest_number = max($values);
Additional information can be found at the quickref for max
来源：https://stackoverflow.com/questions/11876000/php-get-largest-number-from-3-variables