Question

How to use abs() function to get the absolute value of a number in PHP

Answer 1

echo abs(-4.3) . "<br />";
echo abs(-6) . "<br />";
echo abs(6) . "<br />";
echo abs('abc') . "<br />";
echo abs(-'abc') . "<br />";
$n = -100;
echo abs($n) . "<br />";
echo abs(E_ERROR|13) . "<br />";
   
/*
run: 

4.3
6
6
0
0
100
13

*/

 

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