Better way of expressing multiple units

Also will make it easier to extend this check

Author: slusarz

lib/Sabberworm/CSS/Parser.php

@@ -385,32 +385,20 @@ private function parseNumericValue($bForColor = false) {
 			}
 		}
 		$fSize = floatval($sSize);
+
 		$sUnit = null;
-		if ($this->comes('%')) {
-			$sUnit = $this->consume('%');
-		} else if ($this->comes('em')) {
-			$sUnit = $this->consume('em');
-		} else if ($this->comes('ex')) {
-			$sUnit = $this->consume('ex');
-		} else if ($this->comes('px')) {
-			$sUnit = $this->consume('px');
-		} else if ($this->comes('deg')) {
-			$sUnit = $this->consume('deg');
-		} else if ($this->comes('s')) {
-			$sUnit = $this->consume('s');
-		} else if ($this->comes('cm')) {
-			$sUnit = $this->consume('cm');
-		} else if ($this->comes('pt')) {
-			$sUnit = $this->consume('pt');
-		} else if ($this->comes('in')) {
-			$sUnit = $this->consume('in');
-		} else if ($this->comes('pc')) {
-			$sUnit = $this->consume('pc');
-		} else if ($this->comes('cm')) {
-			$sUnit = $this->consume('cm');
-		} else if ($this->comes('mm')) {
-			$sUnit = $this->consume('mm');
+		$units = array(
+			'%', 'em', 'ex', 'px', 'deg', 's', 'cm', 'pt', 'in', 'pc', 'cm',
+			'mm'
+		);
+
+		foreach ($units as $val) {
+			if ($this->comes($val)) {
+				$sUnit = $this->consume($val);
+				break;
+			}
 		}
+
 		return new Size($fSize, $sUnit, $bForColor);
 	}