diff --git a/php/test/ExchangeTest.php b/php/test/ExchangeTest.php
new file mode 100644
index 0000000000000..9fe726d54b1c5
--- /dev/null
+++ b/php/test/ExchangeTest.php
@@ -0,0 +1,14 @@
+<?php
+
+use ccxt\Exchange;
+use PHPUnit\Framework\TestCase;
+
+class ExchangeTest extends TestCase {
+
+    public function testSum () {
+        $this->assertSame (0,   Exchange::sum ());
+        $this->assertSame (2,   Exchange::sum (2));
+        $this->assertSame (432, Exchange::sum (2, 30, 400));
+        $this->assertSame (439, Exchange::sum (2, null, [88], 30, '7', 400, null));
+    }
+}
diff --git a/php/test/bootstrap.php b/php/test/bootstrap.php
new file mode 100644
index 0000000000000..48b34a7a581b8
--- /dev/null
+++ b/php/test/bootstrap.php
@@ -0,0 +1,3 @@
+<?php
+
+require_once __DIR__ . '/../../vendor/autoload.php';
diff --git a/phpunit.xml.dist b/phpunit.xml.dist
new file mode 100644
index 0000000000000..3ff6169ae1df4
--- /dev/null
+++ b/phpunit.xml.dist
@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<phpunit bootstrap="php/test/bootstrap.php"
+         backupGlobals="false"
+         backupStaticAttributes="false"
+         colors="true"
+         verbose="true"
+         convertErrorsToExceptions="true"
+         convertNoticesToExceptions="true"
+         convertWarningsToExceptions="true"
+         processIsolation="true"
+         stopOnFailure="false">
+
+    <testsuites>
+        <testsuite name="ccxt Test Suite">
+            <directory>php/test</directory>
+        </testsuite>
+    </testsuites>
+
+    <filter>
+        <whitelist>
+            <directory suffix=".php">php</directory>
+        </whitelist>
+    </filter>
+
+    <php>
+        <ini name="memory_limit" value="-1" />
+    </php>
+</phpunit>