| private static performCalc ( string | integer | float | boolean $number1, string $action, string | integer | float | boolean $number2, boolean $round, integer $decimals, integer $precision ) : integer | float | boolean | ||
| $number1 | string | integer | float | boolean | See bcCalc description |
| $action | string | See bcCalc description |
| $number2 | string | integer | float | boolean | See bcCalc description |
| $round | boolean | See bcCalc description |
| $decimals | integer | See bcCalc description |
| $precision | integer | See bcCalc description |
| return | integer | float | boolean | |
private static function performCalc($number1, $action, $number2, $round, $decimals, $precision)
{
$result = null;
$compare = false;
switch ($action) {
case '+':
$result = self::$blnBcmath ? bcadd($number1, $number2, $precision) : $number1 + $number2;
break;
case '-':
$result = self::$blnBcmath ? bcsub($number1, $number2, $precision) : $number1 - $number2;
break;
case '*':
$result = self::$blnBcmath ? bcmul($number1, $number2, $precision) : $number1 * $number2;
break;
case 'sqrt':
$result = self::$blnBcmath ? bcsqrt($number1, $precision) : sqrt($number1);
break;
case '/':
if ($number2 > 0) {
if (self::$blnBcmath) {
$result = bcdiv($number1, $number2, $precision);
// string, or NULL if right_operand is 0
} else {
if ($number2 != 0) {
$result = $number1 / $number2;
}
}
}
if (!isset($result)) {
$result = 0;
}
break;
case '%':
if (self::$blnBcmath) {
$result = bcmod($number1, $number2);
// string, or NULL if modulus is 0.
} else {
if ($number2 != 0) {
$result = $number1 % $number2;
}
}
if (!isset($result)) {
$result = 0;
}
break;
case '=':
$compare = true;
if (self::$blnBcmath) {
$result = bccomp($number1, $number2, $precision);
// returns int 0, 1 or -1
} else {
$result = $number1 == $number2 ? 0 : ($number1 > $number2 ? 1 : -1);
}
break;
}
if (isset($result)) {
if ($compare === false) {
if ($round === true) {
$result = round(floatval($result), $decimals);
if ($decimals === 0) {
$result = (int) $result;
}
} else {
$result = intval($result) == $result ? intval($result) : floatval($result);
}
}
return $result;
}
return false;
}