1 function php_getSolutionOVQE($a,$b,$c=0){

 2         $x1=0;

 3         $x2=0;

 4         $detal=0;

 5         if($a==0 && $b==0){

 6                 return false;

 7         }

 8         if($a==0){

 9                 $x1 = -1 * ($c/$b);

10                 return [$x1];

11         }

12         $detal = pow($b,2) - 4*$a*$c;

13         if($detal == 0){

14                 $x1 = (-1*$b + sqrt($detal)) / (2 * $a);

15                  return [$x1];

16         }else if($detal > 0){

17                 $x1 = (-1*$b + sqrt($detal)) / (2 * $a);

18                 $x2 = (-1*$b - sqrt($detal)) / (2 * $a);

19                 return [$x1,$x2];

20         }

21         return false;

22 }