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# abs

(PHP 3 <= 3.0.18, PHP 4 >= 4.0.0)

abs -- Absolute value

## Description

``mixed abs` (mixed number)`

Returns the absolute value of number. If the argument number is of type float, the return type is also float, otherwise it is integer (as float usually has a bigger value range than integer).

Example 1. abs() example
    $abs = abs(-4.2); // $abs = 4.2; (double/float)
    $abs2 = abs(5);   // $abs2 = 5; (integer)
    $abs3 = abs(-5);  // $abs3 = 5; (integer)

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