| Function | Action |
|---|---|
| abs | Return the absolute value. |
| ceil | Round up to next higher integer. |
| floor | Round down to next lower integer. |
| is_finite | Return TRUE if number is a legal finite number. |
| is_finite | Return TRUE if number is a legal finite number. |
| is_infinite | Return TRUE if value is infinite. |
| is_nan | Return TRUE if value is not a number. |
| max | Return maximum value. |
| min | Return minimum value. |
| mt_rand | Return a random value. |
| pow | Raise a number to a power. |
| round | Round a float to nearest integer. |
| sqrt | Return the square root of a number. |
Use this online reference as a manual for all documented PHP
functions:
http://www.php.net/quickref.php