Make LDAPCONF test work on windows

Rather than using putenv(), use the ENV section. This also
required adding {PWD} support for it.

Author: nikic

ext/ldap/tests/ldap_connect_ldap_conf.conf

@@ -0,0 +1 @@
+uri ldaps://example.com:3141/

ext/ldap/tests/ldap_connect_ldap_conf.phpt

@@ -10,15 +10,13 @@ phpinfo();
 if (!preg_match("/vendor name => openldap/i", ob_get_clean()))
     die("skip not openldap");
 ?>
+--ENV--
+LDAPCONF={PWD}/ldap_connect_ldap_conf.conf
 --FILE--
 <?php
-$conf=tempnam("/tmp","ldap.conf");
-file_put_contents($conf, "uri ldaps://example.com:3141/");
-putenv("LDAPCONF=$conf");
 $link = ldap_connect();
 ldap_get_option($link, LDAP_OPT_HOST_NAME, $host);
 var_dump($host);
-unlink($conf);
 ?>
 --EXPECT--
 string(16) "example.com:3141"

run-tests.php

@@ -2047,7 +2047,8 @@ function run_test(string $php, $file, array $env): string
     $env['TZ'] = '';
 
     if ($test->sectionNotEmpty('ENV')) {
-        foreach (explode("\n", $test->getSection('ENV')) as $e) {
+        $env_str = str_replace('{PWD}', dirname($file), $test->getSection('ENV'));
+        foreach (explode("\n", $env_str) as $e) {
             $e = explode('=', trim($e), 2);
 
             if (!empty($e[0]) && isset($e[1])) {