Php/docs/function.abs
From Get docs
abs
(PHP 4, PHP 5, PHP 7)
abs — Absolute value
Parameters
number- The numeric value to process
Return Values
The absolute value of number. If the
argument number is
of type float, the return type is also float,
otherwise it is int (as float usually has a
bigger value range than int).
Examples
Example #1 abs() example
<?phpecho abs(-4.2); // 4.2 (double/float)echo abs(5); // 5 (integer)echo abs(-5); // 5 (integer)?>
