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Fixed bug #34137 (assigning array element by reference causes binary mess)

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This commit is contained in:
Dmitry Stogov 2005-09-01 13:21:04 +00:00
parent 176a76dbec
commit bd307bc0bd
3 changed files with 18 additions and 6 deletions
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2
NEWS
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@ -22,5 +22,7 @@ PHP NEWS
(Derick)
- Fixed bug #34277 (array_filter() crashes with references and objects).
(Dmitry)
- Fixed bug #34137 (assigning array element by reference causes binary mess).
(Dmitry)
- Fixed bug #33957 (gmdate('W')/date('W') sometimes returns wrong week number).
(Derick)

10
Zend/tests/bug34137.phpt Executable file
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@ -0,0 +1,10 @@
--TEST--
Bug #34137 (assigning array element by reference causes binary mess)
--FILE--
<?php
$arr1 = array('a1' => array('alfa' => 'ok'));
$arr1 =& $arr1['a1'];
echo '-'.$arr1['alfa']."-\n";
?>
--EXPECT--
-ok-

12
Zend/zend_execute.c
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@ -415,12 +415,6 @@ static void zend_assign_to_variable_reference(zval **variable_ptr_ptr, zval **va
if (variable_ptr == EG(error_zval_ptr) || value_ptr==EG(error_zval_ptr)) {
variable_ptr_ptr = &EG(uninitialized_zval_ptr);
} else if (variable_ptr != value_ptr) {
variable_ptr->refcount--;
if (variable_ptr->refcount==0) {
zendi_zval_dtor(*variable_ptr);
FREE_ZVAL(variable_ptr);
}
if (!PZVAL_IS_REF(value_ptr)) {
/* break it away */
value_ptr->refcount--;
@ -436,6 +430,12 @@ static void zend_assign_to_variable_reference(zval **variable_ptr_ptr, zval **va
*variable_ptr_ptr = value_ptr;
value_ptr->refcount++;
variable_ptr->refcount--;
if (variable_ptr->refcount==0) {
zendi_zval_dtor(*variable_ptr);
FREE_ZVAL(variable_ptr);
}
} else if (!variable_ptr->is_ref) {
if (variable_ptr_ptr == value_ptr_ptr) {
SEPARATE_ZVAL(variable_ptr_ptr);