Add test for openssl_csr_new multi dn entry

ext/openssl/tests/openssl_csr_new_array_dn_entry.phpt

@@ -0,0 +1,59 @@
+--TEST--
+openssl_csr_new() with array DN entry
+--EXTENSIONS--
+openssl
+--FILE--
+<?php
+
+$a = array();
+
+$conf = array('config' => __DIR__ . DIRECTORY_SEPARATOR . 'openssl.cnf');
+
+// options type check
+$x = openssl_pkey_new($conf);
+$csr = openssl_csr_new(
+    [    
+        "countryName" => "GB",
+        "stateOrProvinceName" => "Somerset",
+        "localityName" => "Glastonbury",
+        "organizationName" => ["o1" => "PHP", "o2" => "PHP Foundation"],
+        "organizationalUnitName" => ["PHP Doc team", "PHP Admin team", "PHP Core team"],
+        "commonName" => "test.php.net",
+        "emailAddress" => "[email protected]"
+    ],
+    $x,
+    $conf + ["x509_extensions" => 0xDEADBEEF]
+);
+
+var_dump(openssl_csr_get_subject($csr));
+
+?>
+--EXPECT--
+array(7) {
+  ["C"]=>
+  string(2) "GB"
+  ["ST"]=>
+  string(8) "Somerset"
+  ["L"]=>
+  string(11) "Glastonbury"
+  ["O"]=>
+  array(2) {
+    [0]=>
+    string(3) "PHP"
+    [1]=>
+    string(14) "PHP Foundation"
+  }
+  ["OU"]=>
+  array(3) {
+    [0]=>
+    string(12) "PHP Doc team"
+    [1]=>
+    string(14) "PHP Admin team"
+    [2]=>
+    string(13) "PHP Core team"
+  }
+  ["CN"]=>
+  string(12) "test.php.net"
+  ["emailAddress"]=>
+  string(20) "[email protected]"
+}