diff --git a/modules/swagger-codegen/src/main/resources/php/ApiClient.mustache b/modules/swagger-codegen/src/main/resources/php/ApiClient.mustache
index bfd811b89f..508e40a4af 100644
--- a/modules/swagger-codegen/src/main/resources/php/ApiClient.mustache
+++ b/modules/swagger-codegen/src/main/resources/php/ApiClient.mustache
@@ -211,7 +211,7 @@ class ApiClient
 
         // debugging for curl
         if ($this->config->getDebug()) {
-            error_log("[DEBUG] HTTP Request body  ~BEGIN~\n".print_r($postData, true)."\n~END~\n", 3, $this->config->getDebugFile());
+            error_log("[DEBUG] HTTP Request body  ~BEGIN~".PHP_EOL.print_r($postData, true).PHP_EOL."~END~".PHP_EOL, 3, $this->config->getDebugFile());
 
             curl_setopt($curl, CURLOPT_VERBOSE, 1);
             curl_setopt($curl, CURLOPT_STDERR, fopen($this->config->getDebugFile(), 'a'));
@@ -231,7 +231,7 @@ class ApiClient
 
         // debug HTTP response body
         if ($this->config->getDebug()) {
-            error_log("[DEBUG] HTTP Response body ~BEGIN~\n".print_r($http_body, true)."\n~END~\n", 3, $this->config->getDebugFile());
+            error_log("[DEBUG] HTTP Response body ~BEGIN~".PHP_EOL.print_r($http_body, true).PHP_EOL."~END~".PHP_EOL, 3, $this->config->getDebugFile());
         }
 
         // Handle the response
diff --git a/modules/swagger-codegen/src/main/resources/php/ObjectSerializer.mustache b/modules/swagger-codegen/src/main/resources/php/ObjectSerializer.mustache
index 7de8d9d085..06b21d05e5 100644
--- a/modules/swagger-codegen/src/main/resources/php/ObjectSerializer.mustache
+++ b/modules/swagger-codegen/src/main/resources/php/ObjectSerializer.mustache
@@ -271,7 +271,7 @@ class ObjectSerializer
             $byte_written = $deserialized->fwrite($data);
  
             if (Configuration::getDefaultConfiguration()->getDebug()) {
-                error_log("[DEBUG] Written $byte_written byte to $filename. Please move the file to a proper folder or delete the temp file after processing.\n", 3, Configuration::getDefaultConfiguration()->getDebugFile());
+                error_log("[DEBUG] Written $byte_written byte to $filename. Please move the file to a proper folder or delete the temp file after processing.".PHP_EOL, 3, Configuration::getDefaultConfiguration()->getDebugFile());
             }
 
             return $deserialized;
diff --git a/modules/swagger-codegen/src/main/resources/php/README.mustache b/modules/swagger-codegen/src/main/resources/php/README.mustache
index 1f96e378f1..16694d0dad 100644
--- a/modules/swagger-codegen/src/main/resources/php/README.mustache
+++ b/modules/swagger-codegen/src/main/resources/php/README.mustache
@@ -82,7 +82,7 @@ try {
     {{#returnType}}$result = {{/returnType}}$api_instance->{{{operationId}}}({{#allParams}}${{paramName}}{{#hasMore}}, {{/hasMore}}{{/allParams}});{{#returnType}}
     print_r($result);{{/returnType}}
 } catch (Exception $e) {
-    echo 'Exception when calling {{classname}}->{{operationId}}: ', $e->getMessage(), "\n";
+    echo 'Exception when calling {{classname}}->{{operationId}}: ', $e->getMessage(), PHP_EOL;
 }
 {{/-first}}{{/operation}}{{/operations}}{{/-first}}{{/apis}}{{/apiInfo}}
 ?>
diff --git a/modules/swagger-codegen/src/main/resources/php/api_doc.mustache b/modules/swagger-codegen/src/main/resources/php/api_doc.mustache
index be2cb895fe..1edcf0a3f3 100644
--- a/modules/swagger-codegen/src/main/resources/php/api_doc.mustache
+++ b/modules/swagger-codegen/src/main/resources/php/api_doc.mustache
@@ -41,7 +41,7 @@ try {
     {{#returnType}}$result = {{/returnType}}$api_instance->{{{operationId}}}({{#allParams}}${{paramName}}{{#hasMore}}, {{/hasMore}}{{/allParams}});{{#returnType}}
     print_r($result);{{/returnType}}
 } catch (Exception $e) {
-    echo 'Exception when calling {{classname}}->{{operationId}}: ', $e->getMessage(), "\n";
+    echo 'Exception when calling {{classname}}->{{operationId}}: ', $e->getMessage(), PHP_EOL;
 }
 ?>
 ```
diff --git a/modules/swagger-codegen/src/main/resources/php/configuration.mustache b/modules/swagger-codegen/src/main/resources/php/configuration.mustache
index 1b920e4835..704edbe0f6 100644
--- a/modules/swagger-codegen/src/main/resources/php/configuration.mustache
+++ b/modules/swagger-codegen/src/main/resources/php/configuration.mustache
@@ -513,12 +513,12 @@ class Configuration
      */
     public static function toDebugReport()
     {
-        $report  = "PHP SDK ({{invokerPackage}}) Debug Report:\n";
-        $report .= "    OS: ".php_uname()."\n";
-        $report .= "    PHP Version: ".phpversion()."\n";
-        $report .= "    OpenAPI Spec Version: {{version}}\n";
-        $report .= "    SDK Package Version: {{artifactVersion}}\n";
-        $report .= "    Temp Folder Path: ".self::getDefaultConfiguration()->getTempFolderPath()."\n";
+        $report  = "PHP SDK ({{invokerPackage}}) Debug Report:".PHP_EOL;
+        $report .= "    OS: ".php_uname().PHP_EOL;
+        $report .= "    PHP Version: ".phpversion().PHP_EOL;
+        $report .= "    OpenAPI Spec Version: {{version}}".PHP_EOL;
+        $report .= "    SDK Package Version: {{artifactVersion}}".PHP_EOL;
+        $report .= "    Temp Folder Path: ".self::getDefaultConfiguration()->getTempFolderPath().PHP_EOL;
 
         return $report;
     }