Initial commit of LDAP plugin

vendor/symfony/ldap/Adapter/ExtLdap/ConnectionOptions.php

@@ -0,0 +1,78 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Ldap\Adapter\ExtLdap;
+
+use Symfony\Component\Ldap\Exception\LdapException;
+
+/**
+ * A class representing the Ldap extension's options, which can be used with
+ * ldap_set_option or ldap_get_option.
+ *
+ * @author Charles Sarrazin <charles@sarraz.in>
+ *
+ * @internal
+ */
+final class ConnectionOptions
+{
+    const API_INFO = 0x00;
+    const DEREF = 0x02;
+    const SIZELIMIT = 0x03;
+    const TIMELIMIT = 0x04;
+    const REFERRALS = 0x08;
+    const RESTART = 0x09;
+    const PROTOCOL_VERSION = 0x11;
+    const SERVER_CONTROLS = 0x12;
+    const CLIENT_CONTROLS = 0x13;
+    const API_FEATURE_INFO = 0x15;
+    const HOST_NAME = 0x30;
+    const ERROR_NUMBER = 0x31;
+    const ERROR_STRING = 0x32;
+    const MATCHED_DN = 0x33;
+    const DEBUG_LEVEL = 0x5001;
+    const NETWORK_TIMEOUT = 0x5005;
+    const X_SASL_MECH = 0x6100;
+    const X_SASL_REALM = 0x6101;
+    const X_SASL_AUTHCID = 0x6102;
+    const X_SASL_AUTHZID = 0x6103;
+
+    public static function getOptionName($name)
+    {
+        return sprintf('%s::%s', self::class, strtoupper($name));
+    }
+
+    /**
+     * Fetches an option's corresponding constant value from an option name.
+     * The option name can either be in snake or camel case.
+     *
+     * @param string $name
+     *
+     * @return int
+     *
+     * @throws LdapException
+     */
+    public static function getOption($name)
+    {
+        // Convert
+        $constantName = self::getOptionName($name);
+
+        if (!defined($constantName)) {
+            throw new LdapException(sprintf('Unknown option "%s".', $name));
+        }
+
+        return constant($constantName);
+    }
+
+    public static function isOption($name)
+    {
+        return defined(self::getOptionName($name));
+    }
+}