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Fixed bug #72943 (assign_dim on string doesn't reset hval)

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This commit is contained in:
Xinchen Hui 2016-08-26 18:30:08 +08:00
parent 57509fb969
commit c67fa3c91d
3 changed files with 22 additions and 0 deletions
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1
NEWS
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@ -3,6 +3,7 @@ PHP NEWS
?? ??? 2016 PHP 7.0.11
- Core:
. Fixed bug #72943 (assign_dim on string doesn't reset hval). (Laruence)
. Fixed bug #72911 (Memleak in zend_binary_assign_op_obj_helper). (Laruence)
. Fixed bug #72813 (Segfault with __get returned by ref). (Laruence)
. Fixed bug #72767 (PHP Segfaults when trying to expand an infinite operator).

20
Zend/tests/bug72943.phpt Normal file
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@ -0,0 +1,20 @@
--TEST--
Bug #72943 (assign_dim on string doesn't reset hval)
--FILE--
<?php
$array = array("test" => 1);
$a = "lest";
var_dump($array[$a]);
$a[0] = "f";
var_dump($array[$a]);
$a[0] = "t";
var_dump($array[$a]);
?>
--EXPECTF--
Notice: Undefined index: lest in %sbug72943.php on line %d
NULL
Notice: Undefined index: fest in %sbug72943.php on line %d
NULL
int(1)

1
Zend/zend_execute.c
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@ -1335,6 +1335,7 @@ static void zend_assign_to_string_offset(zval *str, zend_long offset, zval *valu
zend_string_release(tmp);
} else {
Z_STRVAL_P(str)[offset] = Z_STRVAL_P(value)[0];
zend_string_forget_hash_val(Z_STR_P(str));
}
/*
* the value of an assignment to a string offset is undefined