how to perform calculation on string datatype

[ansharma]

Hi every one, Here is the problem..

I have a string which looks like this '(243/433)*100' , i want to calculate its value, but dont know how to do.

if i use type conversion then value becomes zero.

Please help.

[trq]

eval.

[ansharma]

i want to calculate this.

$n = '(243/433)*100';

[mdgeus]

just remove the quotes

 

$n = '(243/433)*100';

displays (243/433)*100

 

but

$n = (243/433)*100;

 

displays 56.120092378753

 

 

[AbraCadaver]

i want to calculate this.

$n = '(243/433)*100';

 

eval('$result = ' . $n . ';');
echo $result;
//or
$result = eval("return $n;");
echo $result;