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(PHP 4, PHP 5)
abs — Absolute value
Returns the absolute value of number .
The numeric value to process
The absoulte 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
<?php $abs = abs(-4.2); // $abs = 4.2; (double/float) $abs2 = abs(5); // $abs2 = 5; (integer) $abs3 = abs(-5); // $abs3 = 5; (integer) ?>
Math Functions
