diff --git a/src/Calculator/SvgTextSizeCalculator.php b/src/Calculator/SvgTextSizeCalculator.php
index 5df2408..3881bd1 100644
--- a/src/Calculator/SvgTextSizeCalculator.php
+++ b/src/Calculator/SvgTextSizeCalculator.php
@@ -31,12 +31,12 @@ public function calculateWidth(string $text, int $size = self::TEXT_SIZE): float
 
         $textUnicode = TextUnicodeConverter::convertTextToCodePoints($text);
 
-        $width = 0;
+        $width     = 0;
         $lineWidth = 0;
 
         foreach ($textUnicode as $unicodeCodePoint) {
             if ($unicodeCodePoint === self::UNICODE_CODE_POINT_LINE_FEED) {
-                $width = max($width, $lineWidth);
+                $width     = \max($width, $lineWidth);
                 $lineWidth = 0;
                 continue;
             }
@@ -44,7 +44,7 @@ public function calculateWidth(string $text, int $size = self::TEXT_SIZE): float
             $lineWidth += $font->computeWidth($unicodeCodePoint, $size);
         }
 
-        $width = max($width, $lineWidth);
+        $width = \max($width, $lineWidth);
 
         return \round($width + self::SHIELD_PADDING, 1);
     }
diff --git a/src/Calculator/TextUnicodeConverter.php b/src/Calculator/TextUnicodeConverter.php
index 9dc19e1..600121c 100644
--- a/src/Calculator/TextUnicodeConverter.php
+++ b/src/Calculator/TextUnicodeConverter.php
@@ -23,29 +23,29 @@ public static function convertTextToCodePoints(
         string $string
     ): array {
         $codePoints = [];
-        $values = [];
+        $values     = [];
         $lookingFor = 1;
 
-        for ($i = 0, $iMax = strlen($string); $i < $iMax; $i++) {
-            $thisValue = ord($string[$i]);
+        for ($i = 0, $iMax = \strlen($string); $i < $iMax; $i++) {
+            $thisValue = \ord($string[$i]);
 
             if ($thisValue < 128) {
                 $codePoints[] = $thisValue;
             } else {
-                if (count($values) === 0) {
+                if (0 === \count($values)) {
                     $lookingFor = ($thisValue < 224) ? 2 : 3;
                 }
 
                 $values[] = $thisValue;
 
-                if (count($values) === $lookingFor) {
+                if (\count($values) === $lookingFor) {
                     $number = ($lookingFor === 3)
                         ? (($values[0] % 16) * 4096) + (($values[1] % 64) * 64) + ($values[2] % 64)
                         : (($values[0] % 32) * 64) + ($values[1] % 64);
 
                     $codePoints[] = $number;
-                    $values = [];
-                    $lookingFor = 1;
+                    $values       = [];
+                    $lookingFor   = 1;
                 }
             }
         }