Merge pull request #36 from josecelano/master

Constructors using static instead of self to allow inheritance (late static binding)

Author: castarco

src/Decimal.php

@@ -107,7 +107,7 @@ public static function fromInteger($intValue)
             );
         }
 
-        return new self((string)$intValue, 0);
+        return new static((string)$intValue, 0);
     }
 
     /**
@@ -145,7 +145,7 @@ public static function fromFloat($fltValue, $scale = null, $removeZeros = false)
             $strValue = self::removeTrailingZeros($strValue, $scale);
         }
 
-        return new self($strValue, $scale);
+        return new static($strValue, $scale);
     }
 
     /**
@@ -210,7 +210,7 @@ public static function fromString($strValue, $scale = null, $removeZeros = false
             $value = self::removeTrailingZeros($value, $scale);
         }
 
-        return new self($value, $scale);
+        return new static($value, $scale);
     }
 
     /**
@@ -230,7 +230,7 @@ public static function fromDecimal(Decimal $decValue, $scale = null)
             return $decValue;
         }
 
-        return new self(
+        return new static(
             self::innerRound($decValue->value, $scale),
             $scale
         );
@@ -566,7 +566,7 @@ public function additiveInverse()
             $value = '-' . $this->value;
         }
 
-        return new self($value, $this->scale);
+        return new static($value, $this->scale);
     }