Accessing global variables $ _ post, $ _ get, and $ _ server in PHP Extension

Write extension, unable to access global variables such as $ _ post, $ _ Get, $ _ server, etc,

 

The following are provided by yaf:Code, I removed the yaf-related macros...

 1 /** Yaf documentationHttp://yaf.laruence.com/manual/**/

2
3
4 Zval * yaf_request_query ( Uint Type, Char * Name, Uint Len tsrmls_dc ){
5 Zval ** carrier, ** ret;
6
7 # If (Php_major_version = 5) & (php_minor_version <4)
8 Zend_bool jit_initialization = (PG (auto_globals_jit )&&! PG (register_globals )&&! PG (register_long_arrays ));
9 # Else
10 Zend_bool jit_initialization = PG (auto_globals_jit );
11 # Endif
12
13 /* For phpunit test requirements */
14 Switch (Type ){
15 Case Track_vars_post:
16 Case Track_vars_get:
17 Case Track_vars_files:
18 Case Track_vars_cookie:
19 Carrier = & PG (http_globals) [type];
20 Break ;
21 Case Track_vars_env:
22 If (Jit_initialization ){
23 Zend_is_auto_global (zend_strl ( " _ Env " ) Tsrmls_cc );
24 }
25 Carrier = & PG (http_globals) [type];
26 Break ;
27 Case Track_vars_server:
28 If (Jit_initialization ){
29 Zend_is_auto_global (zend_strl ( " _ Server " ) Tsrmls_cc );
30 }
31 Carrier = & PG (http_globals) [type];
32 Break ;
33 Case Track_vars_request:
34 If (Jit_initialization ){
35 Zend_is_auto_global (zend_strl ( " _ Request " ) Tsrmls_cc );
36 }
37 ( Void ) Zend_hash_find (& EG (symbol_table ), " _ Request " , Sizeof ( " _ Request " )- 1 ,( Void **) & Carrier );
38 Break ;
39 Default :
40 Break ;
41 }
42
43 If (! Carrier |! (* Carrier )){
44 Zval * empty;
45 Make_std_zval (empty );
46 Zval_null (empty );
47 Return Empty;
48 }
49
50 If (! Len ){
51 Z_addref_p (* carrier );
52 Return * Carrier;
53 }
54
55 If (Zend_hash_find (z_arrval_pp (carrier), name, Len + 1 ,( Void **) & RET) = failure ){
56 Zval * empty;
57 Make_std_zval (empty );
58 Zval_null (empty );
59 Return Empty;
60 }
61
62 Z_addref_p (* RET );
63 Return * Ret;
64 }