--- /dev/null
+--TEST--
+Bug #40576 (double values are truncated to 6 decimal digits when encoding)
+--SKIPIF--
+<?php
+if (!extension_loaded("xmlrpc")) print "skip";
+if (PHP_INT_SIZE != 8) die("skip this test is for 64bit platform only");
+?>
+--INI--
+precision=12
+--FILE--
+<?php
+
+var_dump(xmlrpc_encode(1.123456789));
+var_dump(xmlrpc_encode(11234567891010));
+var_dump(xmlrpc_encode(11234567));
+var_dump(xmlrpc_encode(""));
+var_dump(xmlrpc_encode("test"));
+var_dump(xmlrpc_encode("1.22222222222222222222222"));
+
+echo "Done\n";
+?>
+--EXPECTF--
+string(125) "<?xml version="1.0" encoding="utf-8"?>
+<params>
+<param>
+ <value>
+ <double>1.123456789</double>
+ </value>
+</param>
+</params>
+"
+string(119) "<?xml version="1.0" encoding="utf-8"?>
+<params>
+<param>
+ <value>
+ <int>-1066555326</int>
+ </value>
+</param>
+</params>
+"
+string(116) "<?xml version="1.0" encoding="utf-8"?>
+<params>
+<param>
+ <value>
+ <int>11234567</int>
+ </value>
+</param>
+</params>
+"
+string(106) "<?xml version="1.0" encoding="utf-8"?>
+<params>
+<param>
+ <value>
+ <string/>
+ </value>
+</param>
+</params>
+"
+string(118) "<?xml version="1.0" encoding="utf-8"?>
+<params>
+<param>
+ <value>
+ <string>test</string>
+ </value>
+</param>
+</params>
+"
+string(139) "<?xml version="1.0" encoding="utf-8"?>
+<params>
+<param>
+ <value>
+ <string>1.22222222222222222222222</string>
+ </value>
+</param>
+</params>
+"
+Done