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 }