- MFH: Fixed bug #47616 (curl keeps crashing)

ext/curl/interface.c

@@ -1684,6 +1684,7 @@ static int _php_curl_setopt(php_curl *ch, long option, zval **zvalue, zval *retu
 
 			} else {
 #if LIBCURL_VERSION_NUM >= 0x071101
+				convert_to_string_ex(zvalue);
 				/* with curl 7.17.0 and later, we can use COPYPOSTFIELDS, but we have to provide size before */
 				error = curl_easy_setopt(ch->cp, CURLOPT_POSTFIELDSIZE, Z_STRLEN_PP(zvalue));
 				error = curl_easy_setopt(ch->cp, CURLOPT_COPYPOSTFIELDS, Z_STRVAL_PP(zvalue));