diff --git a/pom.xml b/pom.xml
index d01f1bf066d..8b7adc8f50d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -1048,6 +1048,7 @@
                 <module>samples/client/petstore/php/OpenAPIClient-php</module>
                 <module>samples/openapi3/client/petstore/php/OpenAPIClient-php</module>
                 <module>samples/server/petstore/php-slim</module>
+                <module>samples/server/petstore/php-slim4</module>
                 <module>samples/client/petstore/javascript</module>
                 <module>samples/client/petstore/javascript-es6</module>
                 <module>samples/openapi3/client/petstore/javascript-es6</module>
diff --git a/samples/server/petstore/php-slim4/php_syntax_checker.bash b/samples/server/petstore/php-slim4/php_syntax_checker.bash
new file mode 100755
index 00000000000..09c32c89511
--- /dev/null
+++ b/samples/server/petstore/php-slim4/php_syntax_checker.bash
@@ -0,0 +1,11 @@
+#!/bin/bash
+# a simple script to perform a syntax check on php files using "php -l"
+
+for i in $( find . -name "*.php" ); do
+    result=`php -l $i | grep "No syntax errors detected"`
+    exit_status=$?
+    if [ $exit_status -eq 1 ]; then
+        echo "Syntax errors with $i"
+        exit 1;
+    fi
+done
diff --git a/samples/server/petstore/php-slim4/pom.xml b/samples/server/petstore/php-slim4/pom.xml
new file mode 100644
index 00000000000..30f1410a70c
--- /dev/null
+++ b/samples/server/petstore/php-slim4/pom.xml
@@ -0,0 +1,43 @@
+<project>
+    <modelVersion>4.0.0</modelVersion>
+    <groupId>org.opoenapitools</groupId>
+    <artifactId>Slim4PetstoreServerTests</artifactId>
+    <packaging>pom</packaging>
+    <version>1.0-SNAPSHOT</version>
+    <name>Slim4 Petstore Server</name>
+    <build>
+        <plugins>
+            <plugin>
+                <artifactId>maven-dependency-plugin</artifactId>
+                <executions>
+                    <execution>
+                        <phase>package</phase>
+                        <goals>
+                            <goal>copy-dependencies</goal>
+                        </goals>
+                        <configuration>
+                            <outputDirectory>${project.build.directory}</outputDirectory>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
+            <plugin>
+                <groupId>org.codehaus.mojo</groupId>
+                <artifactId>exec-maven-plugin</artifactId>
+                <version>1.2.1</version>
+                <executions>
+                    <execution>
+                        <id>syntax-check</id>
+                        <phase>integration-test</phase>
+                        <goals>
+                            <goal>exec</goal>
+                        </goals>
+                        <configuration>
+                            <executable>./php_syntax_checker.bash</executable>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
+        </plugins>
+    </build>
+</project>