What does the abs() function do in PHP?

The abs() function in PHP returns the absolute value of a number, which means it returns the positive value of the number regardless of its original sign. This function is useful when you need to ensure that a number is treated as positive, such as when calculating distances, differences, or when working with mathematical operations that require positive values. 

$number = -5;
$absoluteValue = abs($number);
echo "The absolute value of $number is $absoluteValue";

Keywords

abs() function PHP absolute value numeric value

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