diff --git a/pg4wp/driver_pgsql.php b/pg4wp/driver_pgsql.php
index 184609f..8577915 100644
--- a/pg4wp/driver_pgsql.php
+++ b/pg4wp/driver_pgsql.php
@@ -466,7 +466,7 @@ function wpsqli_rollback(&$connection, $flags = 0, $name = null)
     pg_query($connection, "ROLLBACK");
 }
 
-function get_primary_key_for_table(&$connection, $table) 
+function get_primary_key_for_table(&$connection, $table)
 {
     $query = <<<SQL
     SELECT a.attname
@@ -542,7 +542,7 @@ function wpsqli_query(&$connection, $query, $result_mode = 0)
             $primaryKey = $this->get_primary_key_for_table($connection, $tableName);
             $row = pg_fetch_assoc($result);
 
-            $GLOBALS['pg4wp_ins_id'] = $row[$primaryKey]; 
+            $GLOBALS['pg4wp_ins_id'] = $row[$primaryKey];
         }
     }
 
@@ -1108,7 +1108,7 @@ function wpsqli_get_primary_sequence_for_table(&$connection, $table)
         }
     }
 
-    // we didn't find a sequence for this table. 
+    // we didn't find a sequence for this table.
     return null;
 }
 
@@ -1146,10 +1146,10 @@ function wpsqli_insert_id(&$connection = null)
         // PostgreSQL: Setting the value of the sequence based on the latest inserted ID.
         $GLOBALS['pg4wp_queued_query'] = "SELECT SETVAL('$seq',(SELECT MAX(\"ID\") FROM $table)+1);";
     } elseif($GLOBALS['pg4wp_ins_id']) {
-        return $GLOBALS['pg4wp_ins_id']; 
+        return $GLOBALS['pg4wp_ins_id'];
     } elseif(empty($sql)) {
         $sql = 'NO QUERY';
-        $data = 0; 
+        $data = 0;
     } else {
         // Double quoting is needed to prevent seq from being lowercased automatically
         $sql = "SELECT CURRVAL('\"$seq\"')";
diff --git a/pg4wp/rewriters/AlterTableSQLRewriter.php b/pg4wp/rewriters/AlterTableSQLRewriter.php
index 191d099..f64e6d4 100644
--- a/pg4wp/rewriters/AlterTableSQLRewriter.php
+++ b/pg4wp/rewriters/AlterTableSQLRewriter.php
@@ -63,7 +63,7 @@ public function rewrite(): string
         return $sql;
     }
 
-    private function rewriteAddIndex(string $sql): string 
+    private function rewriteAddIndex(string $sql): string
     {
         $pattern = '/ALTER TABLE\s+(\w+)\s+ADD (UNIQUE |)INDEX\s+([^\s]+)\s+\(((?:[^\(\)]+|\([^\(\)]+\))+)\)/';
 
@@ -72,18 +72,18 @@ private function rewriteAddIndex(string $sql): string
             $unique = $matches[2];
             $index = $matches[3];
             $columns = $matches[4];
-    
+
             // Remove prefix indexing
             // Rarely used and apparently unnecessary for current uses
             $columns = preg_replace('/\([^\)]*\)/', '', $columns);
-    
+
             // Workaround for index name duplicate
             $index = $table . '_' . $index;
-            
+
             // Add backticks around index name and column name, and include IF NOT EXISTS clause
             $sql = "CREATE {$unique}INDEX IF NOT EXISTS `{$index}` ON `{$table}` (`{$columns}`)";
         }
-    
+
         return $sql;
     }
 
@@ -216,15 +216,16 @@ private function rewriteDropPrimaryKey(string $sql): string
         return $sql;
     }
 
-    private function rewrite_numeric_type($sql){
+    private function rewrite_numeric_type($sql)
+    {
         // Numeric types in MySQL which need to be rewritten
         $numeric_types = ["bigint", "int", "integer", "smallint", "mediumint", "tinyint", "double", "decimal"];
         $numeric_types_imploded = implode('|', $numeric_types);
-    
+
         // Prepare regex pattern to match 'type(x)'
         $pattern = "/(" . $numeric_types_imploded . ")\(\d+\)/";
-    
-        // Execute type find & replace 
+
+        // Execute type find & replace
         $sql = preg_replace_callback($pattern, function ($matches) {
             return $matches[1];
         }, $sql);
@@ -258,7 +259,7 @@ private function rewrite_numeric_type($sql){
                 $sql = preg_replace($pattern, 'serial', $sql);
             }
         }
-    
+
         return $sql;
     }
 }
diff --git a/pg4wp/rewriters/CreateTableSQLRewriter.php b/pg4wp/rewriters/CreateTableSQLRewriter.php
index 8bd2b4f..fb8ec81 100644
--- a/pg4wp/rewriters/CreateTableSQLRewriter.php
+++ b/pg4wp/rewriters/CreateTableSQLRewriter.php
@@ -88,15 +88,16 @@ public function rewrite(): string
         return $sql;
     }
 
-    private function rewrite_numeric_type($sql){
+    private function rewrite_numeric_type($sql)
+    {
         // Numeric types in MySQL which need to be rewritten
         $numeric_types = ["bigint", "int", "integer", "smallint", "mediumint", "tinyint", "double", "decimal"];
         $numeric_types_imploded = implode('|', $numeric_types);
-    
+
         // Prepare regex pattern to match 'type(x)'
         $pattern = "/(" . $numeric_types_imploded . ")\(\d+\)/";
-    
-        // Execute type find & replace 
+
+        // Execute type find & replace
         $sql = preg_replace_callback($pattern, function ($matches) {
             return $matches[1];
         }, $sql);
@@ -130,7 +131,7 @@ private function rewrite_numeric_type($sql){
                 $sql = preg_replace($pattern, 'serial', $sql);
             }
         }
-    
+
         return $sql;
     }
 }
diff --git a/pg4wp/rewriters/InsertSQLRewriter.php b/pg4wp/rewriters/InsertSQLRewriter.php
index e8461c0..50e9d59 100644
--- a/pg4wp/rewriters/InsertSQLRewriter.php
+++ b/pg4wp/rewriters/InsertSQLRewriter.php
@@ -130,7 +130,7 @@ public function rewrite(): string
                 $sql = $sql_before_semicolon . ' RETURNING *' . $sql_after_semicolon;
 
             } else {
-                $sql = $sql .=" RETURNING *";
+                $sql = $sql .= " RETURNING *";
             }
         }
 
@@ -138,23 +138,22 @@ public function rewrite(): string
     }
 
     // finds semicolons that aren't in variables
-    private function findSemicolon($sql) {
+    private function findSemicolon($sql)
+    {
         $quoteOpened = false;
         $parenthesisDepth = 0;
-    
+
         $sqlAsArray = str_split($sql);
-        for($i=0; $i<count($sqlAsArray); $i++) {
-            if(($sqlAsArray[$i] == '"' || $sqlAsArray[$i]=="'") && ($i == 0 || $sqlAsArray[$i-1]!='\\'))
-                $quoteOpened = !$quoteOpened; 
-    
-            else if($sqlAsArray[$i] == '(' && !$quoteOpened)
+        for($i = 0; $i < count($sqlAsArray); $i++) {
+            if(($sqlAsArray[$i] == '"' || $sqlAsArray[$i] == "'") && ($i == 0 || $sqlAsArray[$i - 1] != '\\')) {
+                $quoteOpened = !$quoteOpened;
+            } elseif($sqlAsArray[$i] == '(' && !$quoteOpened) {
                 $parenthesisDepth++;
-    
-            else if($sqlAsArray[$i] == ')' && !$quoteOpened)
+            } elseif($sqlAsArray[$i] == ')' && !$quoteOpened) {
                 $parenthesisDepth--;
-    
-            else if($sqlAsArray[$i] == ';' && !$quoteOpened && $parenthesisDepth == 0) 
+            } elseif($sqlAsArray[$i] == ';' && !$quoteOpened && $parenthesisDepth == 0) {
                 return $i;
+            }
         }
         return false;
     }
diff --git a/pg4wp/rewriters/ReplaceIntoSQLRewriter.php b/pg4wp/rewriters/ReplaceIntoSQLRewriter.php
index a47aab5..7f9e2b8 100644
--- a/pg4wp/rewriters/ReplaceIntoSQLRewriter.php
+++ b/pg4wp/rewriters/ReplaceIntoSQLRewriter.php
@@ -61,12 +61,12 @@ public function rewrite(): string
             // Extract SQL components
             $tableSection = trim(substr($statement, $insertIndex, $columnsStartIndex - $insertIndex));
             $valuesSection = trim(substr($statement, $valuesIndex, strlen($statement) - $valuesIndex));
-            $columnsSection = trim(substr($statement, $columnsStartIndex, $columnsEndIndex - $columnsStartIndex + 1)); 
+            $columnsSection = trim(substr($statement, $columnsStartIndex, $columnsEndIndex - $columnsStartIndex + 1));
 
             // Extract and clean up column names from the update section
             $updateCols = explode(',', substr($columnsSection, 1, strlen($columnsSection) - 2));
             $updateCols = array_map(function ($col) {
-                return  trim($col); 
+                return  trim($col);
             }, $updateCols);
 
             // Choose a primary key for ON CONFLICT
@@ -91,7 +91,7 @@ public function rewrite(): string
             }
 
             // trim any preceding commas
-            $updateSection = ltrim($updateSection,", ");
+            $updateSection = ltrim($updateSection, ", ");
 
             // Construct the PostgreSQL query
             $postgresSQL = sprintf('%s %s %s ON CONFLICT (%s) DO UPDATE SET %s', $tableSection, $columnsSection, $valuesSection, $primaryKey, $updateSection);
diff --git a/pg4wp/rewriters/SelectSQLRewriter.php b/pg4wp/rewriters/SelectSQLRewriter.php
index 129dbb1..62d2a2a 100644
--- a/pg4wp/rewriters/SelectSQLRewriter.php
+++ b/pg4wp/rewriters/SelectSQLRewriter.php
@@ -37,7 +37,7 @@ public function rewrite(): string
         if(false !== strpos($sql, 'information_schema')) {
             // WP Site Health rewrites
             if (false !== strpos($sql, "SELECT TABLE_NAME AS 'table', TABLE_ROWS AS 'rows', SUM(data_length + index_length)")) {
-                $sql = $this->postgresTableSizeRewrite(); 
+                $sql = $this->postgresTableSizeRewrite();
                 return $sql;
             }
 
@@ -360,7 +360,7 @@ protected function convertToPostgresLimitSyntax($sql)
     }
 
     // This method is specifically to handle should_suggest_persistent_object_cache in wp site health
-    protected function postgresTableSizeRewrite($schema = 'public') 
+    protected function postgresTableSizeRewrite($schema = 'public')
     {
 
         $sql = <<<SQL
diff --git a/pg4wp/rewriters/ShowTableStatusSQLRewriter.php b/pg4wp/rewriters/ShowTableStatusSQLRewriter.php
index 794a99e..489afe2 100644
--- a/pg4wp/rewriters/ShowTableStatusSQLRewriter.php
+++ b/pg4wp/rewriters/ShowTableStatusSQLRewriter.php
@@ -5,7 +5,7 @@ class ShowTableStatusSQLRewriter extends AbstractSQLRewriter
     public function rewrite(): string
     {
         $sql = $this->original();
-        return $this->generatePostgresShowTableStatus(); 
+        return $this->generatePostgresShowTableStatus();
     }
 
 
diff --git a/pg4wp/rewriters/ShowVariablesSQLRewriter.php b/pg4wp/rewriters/ShowVariablesSQLRewriter.php
index 1eb45e8..8e944a5 100644
--- a/pg4wp/rewriters/ShowVariablesSQLRewriter.php
+++ b/pg4wp/rewriters/ShowVariablesSQLRewriter.php
@@ -38,7 +38,7 @@ public function generatePostgres($sql, $variableName)
         }
 
         if ($variableName == "max_allowed_packet") {
-            // Act like 1GB packet size, in practice this limit doesn't actually exist for postgres, we just want to fool WP 
+            // Act like 1GB packet size, in practice this limit doesn't actually exist for postgres, we just want to fool WP
             return "SELECT '$variableName' AS \"Variable_name\", '1073741824' AS \"Value\";";
         }
 
diff --git a/tests/tools/php-cs-fixer.phar b/tests/tools/php-cs-fixer.phar
new file mode 100644
index 0000000..54785df
Binary files /dev/null and b/tests/tools/php-cs-fixer.phar differ