diff --git a/component/Abstract/Collection.php b/component/Abstract/Collection.php
index 276b673..784bca8 100644
--- a/component/Abstract/Collection.php
+++ b/component/Abstract/Collection.php
@@ -15,7 +15,7 @@ public function __construct()
 
     protected function addItem(mixed $item): self
     {
-        if (array_search($item, $this->items) == false) {
+        if (array_search($item, $this->items) === false) {
             $this->items[] = $item;
         }
 
diff --git a/component/Abstract/CollectionPaginated.php b/component/Abstract/CollectionPaginated.php
index 4822997..4d97044 100644
--- a/component/Abstract/CollectionPaginated.php
+++ b/component/Abstract/CollectionPaginated.php
@@ -4,8 +4,6 @@
 
 namespace Phant\DataStructure\Abstract;
 
-use Phant\Error\NotCompliant;
-
 abstract class CollectionPaginated extends Collection
 {
     private ?int $itemPage;
diff --git a/component/Geography/GpsCoordinates.php b/component/Geography/GpsCoordinates.php
index cdd1770..50fb8d7 100644
--- a/component/Geography/GpsCoordinates.php
+++ b/component/Geography/GpsCoordinates.php
@@ -86,11 +86,11 @@ public static function makeFromUtm(float $x, float $y, int $zone, bool $southern
             $UTMScaleFactor = 0.9996;
             $sm_EccSquared = .00669437999013;
             $n = ($sm_a - $sm_b) / ($sm_a + $sm_b);
-            $alpha_ = (($sm_a + $sm_b) / 2.0)* (1 + (pow($n, 2.0) / 4) + (pow($n, 4.0) / 64));
+            $alpha_ = (($sm_a + $sm_b) / 2.0) * (1 + (pow($n, 2.0) / 4) + (pow($n, 4.0) / 64));
             $y_ = $y / $alpha_;
-            $beta_ = (3.0 * $n / 2.0) + (-27.0 * pow($n, 3.0) / 32.0)+ (269.0 * pow($n, 5.0) / 512.0);
-            $gamma_ = (21.0 * pow($n, 2.0) / 16.0)+ (-55.0 * pow($n, 4.0) / 32.0);
-            $delta_ = (151.0 * pow($n, 3.0) / 96.0)+ (-417.0 * pow($n, 5.0) / 128.0);
+            $beta_ = (3.0 * $n / 2.0) + (-27.0 * pow($n, 3.0) / 32.0) + (269.0 * pow($n, 5.0) / 512.0);
+            $gamma_ = (21.0 * pow($n, 2.0) / 16.0) + (-55.0 * pow($n, 4.0) / 32.0);
+            $delta_ = (151.0 * pow($n, 3.0) / 96.0) + (-417.0 * pow($n, 5.0) / 128.0);
             $epsilon_ = (1097.0 * pow($n, 4.0) / 512.0);
             $result = $y_ + ($beta_ * sin(2.0 * $y_))
                 + ($gamma_ * sin(4.0 * $y_))
@@ -145,7 +145,7 @@ public static function makeFromUtm(float $x, float $y, int $zone, bool $southern
         $x8frac = $tf / (40320.0 * $Nfpow);
         $x2poly = -1.0 - $nuf2;
         $x3poly = -1.0 - 2 * $tf2 - $nuf2;
-        $x4poly = 5.0 + 3.0 * $tf2 + 6.0 * $nuf2 - 6.0 * $tf2 * $nuf2- 3.0 * ($nuf2 *$nuf2) - 9.0 * $tf2 * ($nuf2 * $nuf2);
+        $x4poly = 5.0 + 3.0 * $tf2 + 6.0 * $nuf2 - 6.0 * $tf2 * $nuf2 - 3.0 * ($nuf2 * $nuf2) - 9.0 * $tf2 * ($nuf2 * $nuf2);
         $x5poly = 5.0 + 28.0 * $tf2 + 24.0 * $tf4 + 6.0 * $nuf2 + 8.0 * $tf2 * $nuf2;
         $x6poly = -61.0 - 90.0 * $tf2 - 45.0 * $tf4 - 107.0 * $nuf2	+ 162.0 * $tf2 * $nuf2;
         $x7poly = -61.0 - 662.0 * $tf2 - 1320.0 * $tf4 - 720.0 * ($tf4 * $tf2);
diff --git a/component/Money/Price.php b/component/Money/Price.php
index 2b14e82..422442d 100644
--- a/component/Money/Price.php
+++ b/component/Money/Price.php
@@ -25,11 +25,11 @@ public function getFormatted(bool $espaceInsecable = true): string
         $price = number_format($this->amount, 2, ',', ' ');
 
         if ($this->currency) {
-            $price.= ' ' . $this->currency->getLabel();
+            $price .= ' ' . $this->currency->getLabel();
         }
 
         if ($this->unit) {
-            $price.= '/' . $this->unit;
+            $price .= '/' . $this->unit;
         }
 
         if ($espaceInsecable) {
diff --git a/component/Web/Url.php b/component/Web/Url.php
index f54c02a..2e2acf4 100644
--- a/component/Web/Url.php
+++ b/component/Web/Url.php
@@ -197,35 +197,35 @@ public static function compose(self $url): self
     {
         $urlString = '';
 
-        $urlString.= $url->getScheme();
+        $urlString .= $url->getScheme();
 
-        $urlString.= '://';
+        $urlString .= '://';
 
         if ($url->getUser()) {
-            $urlString.= $url->getUser();
+            $urlString .= $url->getUser();
             if ($url->getPass()) {
-                $urlString.= ':';
-                $urlString.= $url->getPass();
+                $urlString .= ':';
+                $urlString .= $url->getPass();
             }
-            $urlString.= '@';
+            $urlString .= '@';
         }
 
-        $urlString.= $url->getHost();
+        $urlString .= $url->getHost();
 
         if ($url->getPort()) {
-            $urlString.= ':' . $url->getPort();
+            $urlString .= ':' . $url->getPort();
         }
 
         if ($url->getPath()) {
-            $urlString.= $url->getPath();
+            $urlString .= $url->getPath();
         }
 
         if ($url->getQuery()) {
-            $urlString.= '?' . http_build_query($url->getQuery());
+            $urlString .= '?' . http_build_query($url->getQuery());
         }
 
         if ($url->getFragment()) {
-            $urlString.= '#' . $url->getFragment();
+            $urlString .= '#' . $url->getFragment();
         }
 
         return new self($urlString);