1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
|
/*
+----------------------------------------------------------------------+
| Copyright (c) The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 3.01 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| https://www.php.net/license/3_01.txt |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Authors: Georg Richter <georg@php.net> |
| Andrey Hristov <andrey@php.net> |
| Ulf Wendel <uw@php.net> |
+----------------------------------------------------------------------+
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <signal.h>
#include "php.h"
#include "php_mysqli_structs.h"
#include "mysqli_priv.h"
#include "zend_interfaces.h"
extern const zend_object_iterator_funcs php_mysqli_result_iterator_funcs;
typedef struct {
zend_object_iterator intern;
mysqli_object *result;
zval current_row;
my_longlong row_num;
} php_mysqli_result_iterator;
/* {{{ */
zend_object_iterator *php_mysqli_result_get_iterator(zend_class_entry *ce, zval *object, int by_ref)
{
php_mysqli_result_iterator *iterator;
if (by_ref) {
zend_throw_error(NULL, "An iterator cannot be used with foreach by reference");
return NULL;
}
iterator = ecalloc(1, sizeof(php_mysqli_result_iterator));
zend_iterator_init(&iterator->intern);
Z_ADDREF_P(object);
ZVAL_OBJ(&iterator->intern.data, Z_OBJ_P(object));
iterator->intern.funcs = &php_mysqli_result_iterator_funcs;
iterator->result = Z_MYSQLI_P(object);
iterator->row_num = -1;
return &iterator->intern;
}
/* }}} */
/* {{{ */
static void php_mysqli_result_iterator_dtor(zend_object_iterator *iter)
{
php_mysqli_result_iterator *iterator = (php_mysqli_result_iterator*)iter;
/* cleanup handled in sxe_object_dtor as we don't always have an iterator wrapper */
zval_ptr_dtor(&iterator->intern.data);
zval_ptr_dtor(&iterator->current_row);
}
/* }}} */
/* {{{ */
static zend_result php_mysqli_result_iterator_valid(zend_object_iterator *iter)
{
php_mysqli_result_iterator *iterator = (php_mysqli_result_iterator*) iter;
return Z_TYPE(iterator->current_row) == IS_ARRAY ? SUCCESS : FAILURE;
}
/* }}} */
/* {{{ */
static zval *php_mysqli_result_iterator_current_data(zend_object_iterator *iter)
{
php_mysqli_result_iterator *iterator = (php_mysqli_result_iterator*) iter;
return &iterator->current_row;
}
/* }}} */
/* {{{ */
static void php_mysqli_result_iterator_move_forward(zend_object_iterator *iter)
{
php_mysqli_result_iterator *iterator = (php_mysqli_result_iterator*) iter;
mysqli_object *intern = iterator->result;
MYSQL_RES *result;
MYSQLI_FETCH_RESOURCE_BY_OBJ(result, MYSQL_RES *, intern, "mysqli_result", MYSQLI_STATUS_VALID);
zval_ptr_dtor(&iterator->current_row);
php_mysqli_fetch_into_hash_aux(&iterator->current_row, result, MYSQLI_ASSOC);
if (Z_TYPE(iterator->current_row) == IS_ARRAY) {
iterator->row_num++;
}
}
/* }}} */
/* {{{ */
static void php_mysqli_result_iterator_rewind(zend_object_iterator *iter)
{
php_mysqli_result_iterator *iterator = (php_mysqli_result_iterator*) iter;
mysqli_object *intern = iterator->result;
MYSQL_RES *result;
MYSQLI_FETCH_RESOURCE_BY_OBJ(result, MYSQL_RES *, intern, "mysqli_result", MYSQLI_STATUS_VALID);
if (mysqli_result_is_unbuffered(result)) {
if (result->unbuf->eof_reached) {
zend_error(E_WARNING, "Data fetched with MYSQLI_USE_RESULT can be iterated only once");
return;
}
} else {
mysql_data_seek(result, 0);
}
iterator->row_num = -1;
php_mysqli_result_iterator_move_forward(iter);
}
/* }}} */
/* {{{ php_mysqli_result_iterator_current_key */
static void php_mysqli_result_iterator_current_key(zend_object_iterator *iter, zval *key)
{
php_mysqli_result_iterator *iterator = (php_mysqli_result_iterator*) iter;
ZVAL_LONG(key, iterator->row_num);
}
/* }}} */
/* {{{ php_mysqli_result_iterator_funcs */
const zend_object_iterator_funcs php_mysqli_result_iterator_funcs = {
php_mysqli_result_iterator_dtor,
php_mysqli_result_iterator_valid,
php_mysqli_result_iterator_current_data,
php_mysqli_result_iterator_current_key,
php_mysqli_result_iterator_move_forward,
php_mysqli_result_iterator_rewind,
NULL,
NULL, /* get_gc */
};
/* }}} */
|
