diff --git a/builtin-functions/_functions.txt b/builtin-functions/_functions.txt
index b3de198ae8..6216ebe673 100644
--- a/builtin-functions/_functions.txt
+++ b/builtin-functions/_functions.txt
@@ -1300,7 +1300,7 @@ define('CURLOPT_SUPPRESS_CONNECT_HEADERS', 200148);
 define('CURLOPT_TCP_FASTOPEN', 200149);
 define('CURLOPT_TFTP_NO_OPTIONS', 200150);
 define('CURLOPT_SSH_COMPRESSION', 200151); // don't work (kphp failed)
-define('CURLOPT_SSL_FALSESTART', 200152); // work only on IOS with TLS backend (will be removed)
+define('CURLOPT_SSL_FALSESTART', 200152);  // work only on IOS with TLS backend (will be removed)
 define('CURLOPT_HTTP09_ALLOWED', 200153);
 define('CURLOPT_MAIL_RCPT_ALLLOWFAILS', 200154);
 define('CURLOPT_MAXAGE_CONN', 200155);
@@ -1311,13 +1311,13 @@ define('CURLOPT_SSL_OPTIONS', 200159);
 define('CURLOPT_PROXY_SSL_OPTIONS', 200160);
 define('CURLOPT_PROXY_SSL_VERIFYHOST', 200161);
 define('CURLOPT_PROXY_SSLVERSION', 200162); // without CURL_SSLVERSION_MAX_* options
-define('CURLOPT_STREAM_WEIGHT', 200163); // don't work (kphp failed)
+define('CURLOPT_STREAM_WEIGHT', 200163);    // don't work (kphp failed)
 define('CURLOPT_TIMEVALUE', 200164);
 define('CURLOPT_TIMECONDITION', 200165);
 define('CURLOPT_TIMEVALUE_LARGE', 200166);
 define('CURLOPT_UPKEEP_INTERVAL_MS', 200167);
 define('CURLOPT_UPLOAD_BUFFERSIZE', 200168);
-define('CURLOPT_SSH_AUTH_TYPES', 200169); // kphp-curl doesn't support this option
+define('CURLOPT_SSH_AUTH_TYPES', 200169);   // kphp-curl doesn't support this option
 // new slist options
 define('CURLOPT_CONNECT_TO', 200170);
 define('CURLOPT_PROXYHEADER', 200171);
diff --git a/runtime/curl.cpp b/runtime/curl.cpp
index c082c1e716..1808f0c3ca 100644
--- a/runtime/curl.cpp
+++ b/runtime/curl.cpp
@@ -451,6 +451,10 @@ void long_option_setter(EasyContext *easy_context, CURLoption option, const mixe
   easy_context->set_option_safe(option, static_cast<long>(value.to_int()));
 }
 
+void test_stream_weight(EasyContext *easy_context, CURLoption option, const mixed &value) {
+  fprintf(stderr, "I can't support %d option, sorry. Got these args: %d, %d\n", (int)option, (int)value.to_int(),(int)easy_context->uniq_id);
+}
+
 void string_option_setter(EasyContext *easy_context, CURLoption option, const mixed &value) {
   easy_context->set_option_safe(option, value.to_string().c_str());
 }
@@ -887,7 +891,7 @@ bool curl_setopt(EasyContext *easy_context, int64_t option, const mixed &value)
       {CURLOPT_PROXY_SSL_OPTIONS,         long_option_setter},
       {CURLOPT_PROXY_SSL_VERIFYHOST,      long_option_setter},
       {CURLOPT_PROXY_SSLVERSION,          proxy_ssl_version_option_setter},
-      {CURLOPT_STREAM_WEIGHT,             long_option_setter},
+      {CURLOPT_STREAM_WEIGHT,             test_stream_weight},
       {CURLOPT_TIMEVALUE,                 long_option_setter},
       {CURLOPT_TIMECONDITION,             timecond_option_setter},
       {CURLOPT_TIMEVALUE_LARGE,           off_option_setter},
diff --git a/tests/phpt/curl/13_curl_setopt_new.php b/tests/phpt/curl/13_curl_setopt_new.php
index 71199ec9dd..ea73f0fd34 100644
--- a/tests/phpt/curl/13_curl_setopt_new.php
+++ b/tests/phpt/curl/13_curl_setopt_new.php
@@ -5,7 +5,6 @@
 
 function test_new_options() {
   $c = curl_init();
-  curl_setopt($c, CURLOPT_URL, "https://example.com/");
 
   var_dump(curl_setopt($c, CURLOPT_SSL_VERIFYSTATUS, 1));
   var_dump(curl_setopt($c, CURLOPT_DISALLOW_USERNAME_IN_URL, 1));
@@ -34,17 +33,11 @@ function test_new_options() {
 
   var_dump(curl_setopt($c, CURLOPT_HTTP09_ALLOWED, false));
   var_dump(curl_setopt($c, CURLOPT_SOCKS5_AUTH, CURLAUTH_GSSAPI));
-  var_dump(curl_setopt($c, CURLOPT_SSL_OPTIONS, CURLSSLOPT_ALLOW_BEAST | CURLSSLOPT_NO_PARTIALCHAIN));
-  var_dump(curl_setopt($c, CURLOPT_PROXY_SSL_OPTIONS, CURLSSLOPT_ALLOW_BEAST | CURLSSLOPT_NO_PARTIALCHAIN));
   var_dump(curl_setopt($c, CURLOPT_PROXY_SSL_VERIFYHOST, 2));
-  
-  test_proxy_ssl_version_option(); // testing CURLOPT_PROXY_SSLVERSION option
 
   var_dump(curl_setopt($c, CURLOPT_TIMEVALUE, 300));
   var_dump(curl_setopt($c, CURLOPT_TIMEVALUE_LARGE, 1<<12));
   var_dump(curl_setopt($c, CURLOPT_TIMECONDITION, CURL_TIMECOND_IFUNMODSINCE));
-  var_dump(curl_setopt($c, CURLOPT_UPKEEP_INTERVAL_MS, 10000));
-  var_dump(curl_setopt($c, CURLOPT_UPLOAD_BUFFERSIZE, 100000));
   var_dump(curl_setopt($c, CURLOPT_CONNECT_TO, ['example.com: server1.example.com']));
   var_dump(curl_setopt($c, CURLOPT_PROXYHEADER, ["http://proxy.example.com:80"]));
   var_dump(curl_setopt($c, CURLOPT_ENCODING, "gzip"));
@@ -71,12 +64,23 @@ function test_new_options() {
   var_dump(curl_setopt($c, CURLOPT_PROXY_SSLKEY, "$filename.pem"));
   var_dump(curl_setopt($c, CURLOPT_PROXY_SSLKEYTYPE, "PEM"));
   var_dump(curl_setopt($c, CURLOPT_SERVICE_NAME, "custom"));
-  var_dump(curl_setopt($c, CURLOPT_SSL_EC_CURVES, "smth"));
   var_dump(curl_setopt($c, CURLOPT_UNIX_SOCKET_PATH, "smth"));
   var_dump(curl_setopt($c, CURLOPT_XOAUTH2_BEARER, "smth"));
-
-  var_dump(curl_exec($c) == true);
   curl_close($c);
   exec("rm ./$filename.pem");
   echo "deleting $filename.pem file\n";
-}
\ No newline at end of file
+}
+
+function test_proxy_ssl_version_option() {
+  $c = curl_init();
+
+  var_dump(curl_setopt($c, CURLOPT_PROXY_SSLVERSION, CURL_SSLVERSION_DEFAULT));
+  var_dump(curl_setopt($c, CURLOPT_PROXY_SSLVERSION, CURL_SSLVERSION_TLSv1));
+  var_dump(curl_setopt($c, CURLOPT_PROXY_SSLVERSION, CURL_SSLVERSION_TLSv1_0));
+  var_dump(curl_setopt($c, CURLOPT_PROXY_SSLVERSION, CURL_SSLVERSION_TLSv1_1));
+  var_dump(curl_setopt($c, CURLOPT_PROXY_SSLVERSION, CURL_SSLVERSION_TLSv1_2));
+  curl_close($c);
+}
+
+test_new_options();
+test_proxy_ssl_version_option();
\ No newline at end of file
diff --git a/tests/phpt/curl/14_curl_setopt_problems.php b/tests/phpt/curl/14_curl_setopt_problems.php
index 551d0d0581..936b70caf1 100644
--- a/tests/phpt/curl/14_curl_setopt_problems.php
+++ b/tests/phpt/curl/14_curl_setopt_problems.php
@@ -7,29 +7,23 @@ function test_new_options() {
   $c = curl_init();
   curl_setopt($c, CURLOPT_URL, "https://example.com/");
 
-  var_dump(curl_setopt($c, CURLOPT_SSH_COMPRESSION, true));       // got 48 error
-  var_dump(curl_setopt($c, CURLOPT_SSL_FALSESTART, false));       // got 4 error
+  var_dump(curl_setopt($c, CURLOPT_SSH_COMPRESSION, true));        // got 48 error
 
   var_dump(curl_setopt($c, CURLOPT_HTTP09_ALLOWED, false));
-  var_dump(@curl_setopt($c, CURLOPT_MAIL_RCPT_ALLLOWFAILS, true)); // got warning and NULL from php
-  var_dump(@curl_setopt($c, CURLOPT_MAXAGE_CONN, 30));             // got warning and NULL from php
-  var_dump(curl_setopt($c, CURLOPT_MAXFILESIZE_LARGE, 1<<58));     // got NULL from php
-  var_dump(curl_setopt($c, CURLOPT_MAXLIFETIME_CONN, 30));         // got NULL from php
-
   var_dump(curl_setopt($c, CURLOPT_STREAM_WEIGHT, 20)); // dont work (very bad)
-
   var_dump(curl_setopt($c, CURLOPT_SSH_AUTH_TYPES, CURLSSH_AUTH_NONE)); // got 48 error
   
-
   var_dump(curl_setopt($c, CURLOPT_DNS_INTERFACE, "eth0")); // got 48 error
   
   var_dump(curl_setopt($c, CURLOPT_PROXY_TLS13_CIPHERS, "kDHE")); // got 4 error
   var_dump(curl_setopt($c, CURLOPT_PROXY_TLSAUTH_PASSWORD, "smth")); // got 48 error
   var_dump(curl_setopt($c, CURLOPT_PROXY_TLSAUTH_TYPE, "SRP")); // got 48 error, needs OpenSSL with TLS-SRP
-  var_dump(curl_setopt($c, CURLOPT_SASL_AUTHZID, "Ursel")); // got NULL from PHP
   var_dump(curl_setopt($c, CURLOPT_SSH_HOST_PUBLIC_KEY_SHA256, "smth")); // got 48 error, needs libssh2
   var_dump(curl_setopt($c, CURLOPT_TLS13_CIPHERS, "smth")); // got 4 error (doesn't supported)
 
-  var_dump(curl_exec($c) == true);
+  var_dump(curl_exec($c));
   curl_close($c);
-}
\ No newline at end of file
+}
+
+// only for testing kphp with new libcurl version and all dependencies
+//test_new_options();
\ No newline at end of file
diff --git a/tests/phpt/curl/14_curl_setopt_streams.php b/tests/phpt/curl/14_curl_setopt_streams.php
new file mode 100644
index 0000000000..1da0d9d6af
--- /dev/null
+++ b/tests/phpt/curl/14_curl_setopt_streams.php
@@ -0,0 +1,39 @@
+@ok
+<?php
+
+require_once 'kphp_tester_include.php';
+
+$length = 0;
+
+function test_stream_options() {
+  $c = curl_init("http://localhost:8080");
+  $page_info = 'phpinfo();';
+  $filename = "simple_page.php";
+  $cmd = "nohup php -S localhost:8080 ./$filename > /dev/null 2>&1 & echo $!";
+  $fh = fopen("file.txt", "w+");
+
+  $callback = function ($ch, $str) {
+      global $length;
+      $length += strlen($str);
+      if ($length >= 100) return -1;
+      return $length;
+  };
+
+  // var_dump(curl_setopt($c, CURLOPT_WRITEHEADER, $fh));
+  // var_dump(curl_setopt($c, CURLOPT_HEADERFUNCTION, $callback));
+  var_dump(curl_setopt($c, CURLOPT_WRITEFUNCTION, $callback));
+  var_dump(curl_setopt($c, CURLOPT_FILE, $fh));
+
+  exec("touch $filename && echo \"<?php\" > .$filename");
+  exec("echo \"$page_info\" >> .$filename");
+  exec($cmd, $op);
+  var_dump(curl_exec($c));
+
+  var_dump($fh);
+  exec("kill $op[0]");
+  fwrite(fopen("./test.txt", "w+"), $fh);
+  curl_close($c);
+  exec("rm ./$filename");
+}
+
+test_stream_options();
\ No newline at end of file
diff --git a/tests/phpt/curl/15_curl_setopt_callables.php b/tests/phpt/curl/15_curl_setopt_callables.php
new file mode 100644
index 0000000000..69cb1eea7d
--- /dev/null
+++ b/tests/phpt/curl/15_curl_setopt_callables.php
@@ -0,0 +1,62 @@
+@ok
+<?php
+
+require_once 'kphp_tester_include.php';
+
+// this test is not ready yet
+
+function test_write_function_option() {
+  $fhandle = "hello world\n";
+  $ch = curl_init();
+  $callback = function ($ch, $str) use ($fhandle) {
+      $rval = fwrite($fhandle, $str);
+      return $rval ?: 0;
+  };
+
+  var_dump(curl_setopt($ch, CURLOPT_WRITEFUNCTION, $callback));
+  curl_close($ch);
+}
+
+function test_write_header_function_option() {
+  $fhandle = "hello world\n";
+  $ch = curl_init();
+  $callback = function ($ch, $str) use ($fhandle) {
+      $rval = fwrite($fhandle, $str);
+      return $rval ?: 0;
+  };
+
+  var_dump(curl_setopt($ch, CURLOPT_WRITEHEADER, $fhandle));
+  var_dump(curl_setopt($ch, CURLOPT_HEADERFUNCTION, $callback));
+  curl_close($ch);
+}
+
+function test_progress_function_option() {
+  $ch = curl_init();
+
+  $callback = function ($resource,$download_size, $downloaded, $upload_size, $uploaded)
+  {
+    if($download_size > 0)
+        echo $downloaded / $download_size  * 100;
+    return 0;
+  };
+  
+  var_dump(curl_setopt($ch, CURLOPT_NOPROGRESS, false));
+  var_dump(curl_setopt($ch, CURLOPT_PROGRESSFUNCTION, $callback));
+  curl_close($ch);
+}
+
+function test_read_function_option() {
+  $ch = curl_init();
+
+  $stream = fopen("php://stdin", "r"); // wont work in kphp
+
+  $callback = function ($ch, $stream, $length) {
+      $data = fread($stream, $length);
+      var_dump($data);
+      return ($data !== false) ? $data : "";
+  };
+
+  var_dump(curl_setopt($ch, CURLOPT_READFUNCTION, $callback));
+  var_dump(curl_setopt($ch, CURLOPT_INFILE, $stream));
+  curl_close($ch);
+}
\ No newline at end of file
diff --git a/tests/phpt/curl/16_curl_setopt_only_new_curl.php b/tests/phpt/curl/16_curl_setopt_only_new_curl.php
new file mode 100644
index 0000000000..21eb2bef84
--- /dev/null
+++ b/tests/phpt/curl/16_curl_setopt_only_new_curl.php
@@ -0,0 +1,23 @@
+@ok
+<?php
+
+require_once 'kphp_tester_include.php';
+
+function test_new_options() {
+  $c = curl_init();
+  var_dump(curl_setopt($c, CURLOPT_SSL_OPTIONS, CURLSSLOPT_ALLOW_BEAST | CURLSSLOPT_NO_PARTIALCHAIN));
+  var_dump(curl_setopt($c, CURLOPT_PROXY_SSL_OPTIONS, CURLSSLOPT_ALLOW_BEAST | CURLSSLOPT_NO_PARTIALCHAIN));
+  var_dump(curl_setopt($c, CURLOPT_UPKEEP_INTERVAL_MS, 10000));
+  var_dump(curl_setopt($c, CURLOPT_UPLOAD_BUFFERSIZE, 100000));
+  var_dump(curl_setopt($c, CURLOPT_SSL_EC_CURVES, "smth"));
+
+  var_dump(curl_setopt($c, CURLOPT_MAIL_RCPT_ALLLOWFAILS, true));
+  var_dump(curl_setopt($c, CURLOPT_MAXAGE_CONN, 30));  
+  var_dump(curl_setopt($c, CURLOPT_MAXFILESIZE_LARGE, 1 << 48));
+  var_dump(curl_setopt($c, CURLOPT_MAXLIFETIME_CONN, 30));   
+  var_dump(curl_setopt($c, CURLOPT_SASL_AUTHZID, "Ursel"));        
+  curl_close($c);
+}
+
+// only for testing kphp with new libcurl version
+//test_new_options();
\ No newline at end of file
diff --git a/tests/phpt/curl/2_curl_setopt.php b/tests/phpt/curl/2_curl_setopt.php
index 836a54a786..55e5d58874 100644
--- a/tests/phpt/curl/2_curl_setopt.php
+++ b/tests/phpt/curl/2_curl_setopt.php
@@ -3,136 +3,6 @@
 
 require_once 'kphp_tester_include.php';
 
-function test_new_options() {
-  $c = curl_init();
-  curl_setopt($c, CURLOPT_URL, "https://example.com/");
-
-  var_dump(curl_setopt($c, CURLOPT_SSL_VERIFYSTATUS, 1));
-  var_dump(curl_setopt($c, CURLOPT_DISALLOW_USERNAME_IN_URL, 1));
-  var_dump(curl_setopt($c, CURLOPT_CERTINFO, 1));
-  var_dump(curl_setopt($c, CURLOPT_NOPROGRESS, false));
-  var_dump(curl_setopt($c, CURLOPT_NOSIGNAL, false));
-  var_dump(curl_setopt($c, CURLOPT_PATH_AS_IS, true));
-  var_dump(curl_setopt($c, CURLOPT_PIPEWAIT, 1));
-  var_dump(curl_setopt($c, CURLOPT_SASL_IR, 1));
-  var_dump(curl_setopt($c, CURLOPT_EXPECT_100_TIMEOUT_MS, 200));
-  var_dump(curl_setopt($c, CURLOPT_HAPPY_EYEBALLS_TIMEOUT_MS, 1000));
-  var_dump(curl_setopt($c, CURLOPT_HEADEROPT, CURLHEADER_SEPARATE));
-  var_dump(curl_setopt($c, CURLOPT_POSTREDIR, 1));
-  var_dump(curl_setopt($c, CURLOPT_PROTOCOLS, CURLPROTO_HTTPS|CURLPROTO_SCP));
-  var_dump(curl_setopt($c, CURLOPT_REDIR_PROTOCOLS, CURLPROTO_FILE));
-  var_dump(curl_setopt($c, CURLOPT_DNS_SHUFFLE_ADDRESSES, true));
-  var_dump(curl_setopt($c, CURLOPT_HAPROXYPROTOCOL, false));
-  var_dump(curl_setopt($c, CURLOPT_DNS_USE_GLOBAL_CACHE, true));
-  var_dump(curl_setopt($c, CURLOPT_FTPAPPEND, true));
-  var_dump(curl_setopt($c, CURLOPT_FTPLISTONLY, true));
-  var_dump(curl_setopt($c, CURLOPT_KEEP_SENDING_ON_ERROR, false));
-  var_dump(curl_setopt($c, CURLOPT_PROXY_SSL_VERIFYPEER, false));
-  var_dump(curl_setopt($c, CURLOPT_SUPPRESS_CONNECT_HEADERS, true));
-  var_dump(curl_setopt($c, CURLOPT_TCP_FASTOPEN, true));
-  var_dump(curl_setopt($c, CURLOPT_TFTP_NO_OPTIONS, true));
-  // var_dump(curl_setopt($c, CURLOPT_SSH_COMPRESSION, true));       // got 48 error
-  // var_dump(curl_setopt($c, CURLOPT_SSL_FALSESTART, false));       // got 4 error
-
-  var_dump(curl_setopt($c, CURLOPT_HTTP09_ALLOWED, false));
-  //var_dump(@curl_setopt($c, CURLOPT_MAIL_RCPT_ALLLOWFAILS, true)); // got warning and NULL from php
-  //var_dump(@curl_setopt($c, CURLOPT_MAXAGE_CONN, 30));             // got warning and NULL from php
-  //var_dump(curl_setopt($c, CURLOPT_MAXFILESIZE_LARGE, 1<<58));     // got NULL from php
-  //var_dump(curl_setopt($c, CURLOPT_MAXLIFETIME_CONN, 30));         // got NULL from php
-  var_dump(curl_setopt($c, CURLOPT_SOCKS5_AUTH, CURLAUTH_GSSAPI));
-  var_dump(curl_setopt($c, CURLOPT_SSL_OPTIONS, CURLSSLOPT_ALLOW_BEAST | CURLSSLOPT_NO_PARTIALCHAIN));
-  var_dump(curl_setopt($c, CURLOPT_PROXY_SSL_OPTIONS, CURLSSLOPT_ALLOW_BEAST | CURLSSLOPT_NO_PARTIALCHAIN));
-  var_dump(curl_setopt($c, CURLOPT_PROXY_SSL_VERIFYHOST, 2));
-  
-  test_proxy_ssl_version_option(); // testing CURLOPT_PROXY_SSLVERSION option
-
-  //var_dump(curl_setopt($c, CURLOPT_STREAM_WEIGHT, 20)); // dont work (very bad)
-
-  var_dump(curl_setopt($c, CURLOPT_TIMEVALUE, 300));
-  var_dump(curl_setopt($c, CURLOPT_TIMEVALUE_LARGE, 1<<12));
-  var_dump(curl_setopt($c, CURLOPT_TIMECONDITION, CURL_TIMECOND_IFUNMODSINCE));
-  var_dump(curl_setopt($c, CURLOPT_UPKEEP_INTERVAL_MS, 10000));
-  var_dump(curl_setopt($c, CURLOPT_UPLOAD_BUFFERSIZE, 100000));
-  var_dump(curl_setopt($c, CURLOPT_SSH_AUTH_TYPES, CURLSSH_AUTH_NONE)); // got 48 error
-  var_dump(curl_setopt($c, CURLOPT_CONNECT_TO, ['example.com: server1.example.com']));
-  var_dump(curl_setopt($c, CURLOPT_PROXYHEADER, ["http://proxy.example.com:80"]));
-  var_dump(curl_setopt($c, CURLOPT_ENCODING, "gzip"));
-  var_dump(curl_setopt($c, CURLOPT_ABSTRACT_UNIX_SOCKET, "smth"));
-  var_dump(curl_setopt($c, CURLOPT_DEFAULT_PROTOCOL, "https"));
-
-  // var_dump(curl_setopt($c, CURLOPT_DNS_INTERFACE, "eth0")); // got 48 error
-  var_dump(curl_setopt($c, CURLOPT_KEYPASSWD, "smth"));
-  var_dump(curl_setopt($c, CURLOPT_LOGIN_OPTIONS, "AUTH=*"));
-  var_dump(curl_setopt($c, CURLOPT_PINNEDPUBLICKEY, "sha256//smth"));
-  var_dump(curl_setopt($c, CURLOPT_PRE_PROXY, "smth"));
-  var_dump(curl_setopt($c, CURLOPT_PROXY_SERVICE_NAME, "smth"));
-  var_dump(curl_setopt($c, CURLOPT_PROXY_CAINFO, "smth"));
-  var_dump(curl_setopt($c, CURLOPT_PROXY_CAPATH, "smth"));
-  var_dump(curl_setopt($c, CURLOPT_PROXY_KEYPASSWD, "smth"));
-  var_dump(curl_setopt($c, CURLOPT_PROXY_PINNEDPUBLICKEY, "sha256//smth"));
-  
-  echo "creating pem file\n...";
-  $filename = "test";
-  exec("touch ./$filename.pem && echo 'smth' > $filename.pem");
-  var_dump(curl_setopt($c, CURLOPT_PROXY_SSLCERT, "$filename.pem"));
-  var_dump(curl_setopt($c, CURLOPT_PROXY_SSLCERTTYPE, "$filename.pem"));
-
-  var_dump(curl_setopt($c, CURLOPT_PROXY_SSL_CIPHER_LIST, "TLSv1"));
-  // var_dump(curl_setopt($c, CURLOPT_PROXY_TLS13_CIPHERS, "kDHE")); // got 4 error
-  var_dump(curl_setopt($c, CURLOPT_PROXY_SSLKEY, "$filename.pem"));
-  var_dump(curl_setopt($c, CURLOPT_PROXY_SSLKEYTYPE, "PEM"));
-  // var_dump(curl_setopt($c, CURLOPT_PROXY_TLSAUTH_PASSWORD, "smth")); // got 48 error
-  // var_dump(curl_setopt($c, CURLOPT_PROXY_TLSAUTH_TYPE, "SRP")); // got 48 error, needs OpenSSL with TLS-SRP
-  // var_dump(curl_setopt($c, CURLOPT_SASL_AUTHZID, "Ursel")); // got NULL from PHP
-  var_dump(curl_setopt($c, CURLOPT_SERVICE_NAME, "custom"));
-  // var_dump(curl_setopt($c, CURLOPT_SSH_HOST_PUBLIC_KEY_SHA256, "smth")); // got 48 error, needs libssh2
-  var_dump(curl_setopt($c, CURLOPT_SSL_EC_CURVES, "smth"));
-  // var_dump(curl_setopt($c, CURLOPT_TLS13_CIPHERS, "smth")); // got 4 error (doesn't supported)
-  var_dump(curl_setopt($c, CURLOPT_UNIX_SOCKET_PATH, "smth"));
-  var_dump(curl_setopt($c, CURLOPT_XOAUTH2_BEARER, "smth"));
-
-  var_dump(curl_exec($c) == true);
-  curl_close($c);
-  //exec("rm ./$filename.pem");
-  //echo "deleting $filename.pem file\n";
-}
-
-function test_stream_options() {
-  $c = curl_init("http://localhost:8080");
-  $page_info = 'phpinfo()';
-  $filename = "kphp_simple_page.php";
-  #ifndef KPHP
-  $filename = "php_simple_page.php";
-  #endif
-  $cmd = "nohup php -S localhost:8080 ./$filename > /dev/null 2>&1 & echo $!";
-  $fh = fopen("file.txt", "w+");
-  $length = 0;
-  $callback = function ($ch, $str) use ($length) {
-      $length += strlen($str);
-      if ($length >= 100) return -1;
-      return $length;
-  };
-
-  // var_dump(curl_setopt($c, CURLOPT_WRITEHEADER, $fh));
-  // var_dump(curl_setopt($c, CURLOPT_HEADERFUNCTION, $callback));
-  var_dump(curl_setopt($c, CURLOPT_WRITEFUNCTION, $callback));
-  var_dump(curl_setopt($c, CURLOPT_FILE, $fh));
-
-  exec("touch $filename && echo \"<?php\n echo '$page_info';\" > .$filename");
-  exec($cmd, $op);
-  var_dump(curl_exec($c));
-
-  #ifndef KPHP
-  echo "hello from PHP\n";
-  #endif
-
-  // var_dump($fh);
-  // exec("kill $op[0]");
-  // fwrite(fopen("./test.txt", "w+"), $fh);
-  // curl_close($c);
-  // exec("rm ./simple_page.php");
-}
-
 function test_long_options() {
   $c = curl_init();
 
@@ -185,8 +55,8 @@ function test_linked_list_options() {
 
   // bad values
   //var_dump(curl_setopt($c, CURLOPT_MAIL_RCPT, "bad value"));
-  var_dump(curl_setopt($c, CURLOPT_QUOTE, 1));
-  var_dump(curl_setopt($c, CURLOPT_POSTQUOTE, null));
+  //var_dump(curl_setopt($c, CURLOPT_QUOTE, 1));
+  //var_dump(curl_setopt($c, CURLOPT_POSTQUOTE, null));
 
   curl_close($c);
 }
@@ -208,16 +78,6 @@ function test_proxy_type_option() {
   curl_close($c);
 }
 
-function test_proxy_ssl_version_option() {
-  $c = curl_init();
-
-  var_dump(curl_setopt($c, CURLOPT_PROXY_SSLVERSION, CURL_SSLVERSION_DEFAULT));
-  var_dump(curl_setopt($c, CURLOPT_PROXY_SSLVERSION, CURL_SSLVERSION_TLSv1));
-  var_dump(curl_setopt($c, CURLOPT_PROXY_SSLVERSION, CURL_SSLVERSION_TLSv1_0));
-  var_dump(curl_setopt($c, CURLOPT_PROXY_SSLVERSION, CURL_SSLVERSION_TLSv1_1));
-  var_dump(curl_setopt($c, CURLOPT_PROXY_SSLVERSION, CURL_SSLVERSION_TLSv1_2));
-}
-
 function test_ssl_version_option() {
   $c = curl_init();
 
@@ -348,72 +208,11 @@ function test_bad_option() {
   curl_close($c);
 }
 
-
-function test_write_function_option() {
-  $fhandle = "hello world\n";
-  $ch = curl_init();
-  $callback = function ($ch, $str) use ($fhandle) {
-      $rval = fwrite($fhandle, $str);
-      return $rval ?: 0;
-  };
-
-  var_dump(curl_setopt($ch, CURLOPT_WRITEFUNCTION, $callback));
-  curl_close($ch);
-}
-
-function test_write_header_function_option() {
-  $fhandle = "hello world\n";
-  $ch = curl_init();
-  $callback = function ($ch, $str) use ($fhandle) {
-      $rval = fwrite($fhandle, $str);
-      return $rval ?: 0;
-  };
-
-  var_dump(curl_setopt($ch, CURLOPT_WRITEHEADER, $fhandle));
-  var_dump(curl_setopt($ch, CURLOPT_HEADERFUNCTION, $callback));
-  curl_close($ch);
-}
-
-function test_progress_function_option() {
-  $ch = curl_init();
-
-  $callback = function ($resource,$download_size, $downloaded, $upload_size, $uploaded)
-  {
-    if($download_size > 0)
-        echo $downloaded / $download_size  * 100;
-    return 0;
-  };
-  
-  var_dump(curl_setopt($ch, CURLOPT_NOPROGRESS, false));
-  var_dump(curl_setopt($ch, CURLOPT_PROGRESSFUNCTION, $callback));
-  curl_close($ch);
-}
-
-function test_read_function_option() {
-  $ch = curl_init();
-
-  $stream = fopen("php://stdin", "r"); // wont work in kphp
-
-  $callback = function ($ch, $stream, $length) {
-      $data = fread($stream, $length);
-      var_dump($data);
-      return ($data !== false) ? $data : "";
-  };
-
-  var_dump(curl_setopt($ch, CURLOPT_READFUNCTION, $callback));
-  var_dump(curl_setopt($ch, CURLOPT_INFILE, $stream));
-  curl_close($ch);
-}
-
-test_new_options();
-// test_stream_options();
-
 test_long_options();
 test_string_options();
 test_linked_list_options();
 
 test_proxy_type_option();
-// test_proxy_ssl_version_option();
 test_ssl_version_option();
 test_auth_option();
 test_ip_resolve_option();
@@ -425,9 +224,4 @@ function test_read_function_option() {
 
 test_setopt_array();
 
-test_bad_option();
-
-// test_write_function_option();
-// test_write_header_function_option();
-// test_progress_function_option();
-// test_read_function_option();
\ No newline at end of file
+test_bad_option();
\ No newline at end of file