Add PHP Extension for GmSSL

View http://gmssl.org/docs/php-api.html for more info.

php/ext/openssl/tests/openssl_x509_read_basic.phpt

@@ -0,0 +1,37 @@
+--TEST--
+openssl_x509_read() tests
+--SKIPIF--
+<?php if (!extension_loaded("openssl")) print "skip"; ?>
+--FILE--
+<?php
+$fp = fopen(dirname(__FILE__) . "/cert.crt","r");
+$a = fread($fp,8192);
+fclose($fp); 
+
+$b = "file://" . dirname(__FILE__) . "/cert.crt";
+$c = "invalid cert";
+$d = openssl_x509_read($a);
+$e = array();
+$f = array($b);
+
+var_dump(openssl_x509_read($a)); // read cert as a string
+var_dump(openssl_x509_read($b)); // read cert as a filename string
+var_dump(openssl_x509_read($c)); // read an invalid cert, fails
+var_dump(openssl_x509_read($d)); // read cert from a resource
+var_dump(openssl_x509_read($e)); // read an array
+var_dump(openssl_x509_read($f)); // read an array with the filename
+?>
+--EXPECTF--
+resource(%d) of type (OpenSSL X.509)
+resource(%d) of type (OpenSSL X.509)
+
+Warning: openssl_x509_read(): supplied parameter cannot be coerced into an X509 certificate! in %s on line %d
+bool(false)
+resource(%d) of type (OpenSSL X.509)
+
+Warning: openssl_x509_read(): supplied parameter cannot be coerced into an X509 certificate! in %s on line %d
+bool(false)
+
+Warning: openssl_x509_read(): supplied parameter cannot be coerced into an X509 certificate! in %s on line %d
+bool(false)
+