(PHP 3, PHP 4 )
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
<?php$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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