abs
(PHP 4, PHP 5, PHP 7)
abs — Absolute value
Description
abs ( mixed $number ) : int|float
Returns the absolute value of number.
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
<?php echo abs(-4.2); // 4.2 (double/float) echo abs(5); // 5 (integer) echo abs(-5); // 5 (integer) ?>
See Also
- gmp_abs() - Absolute value
- gmp_sign() - Sign of number
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https://www.php.net/manual/en/function.abs.php