[php-src] Issue #20842: Stack overflow from recursive `AppendIterator` self-reference
[email protected] (bendrissou)
| Newsgroups | php.bugs |
|---|---|
| Message-ID | <[email protected]> |
Issue: https://github.com/php/php-src/issues/20842
Author: bendrissou
### Description
The following code:
```php
<?php
$array_a = new ArrayIterator(array('a', 'b', 'c'));
$array_b = new ArrayIterator(array('d', 'e', 'f'));
$iterator = new AppendIterator;
$iterator->append($iterator)->append($array_a);
$iterator2 = new AppendIterator;
$iterator2->append($iterator);
$iterator2->append($array_b);
foreach ($iterator2 as $current) {
echo $current;
}
?>
<?php
```
Resulted in this output:
```
AddressSanitizer:DEADLYSIGNAL
=================================================================
==2764114==ERROR: AddressSanitizer: stack-overflow on address 0x7fff10712f30 (pc 0x563016dc61ef bp 0x7fff10713070 sp 0x7fff10712ea0 T0)
#0 0x563016dc61ee in zend_call_function /home/php-src/Zend/zend_execute_API.c:810
#1 0x563016dca569 in zend_call_known_function /home/php-src/Zend/zend_execute_API.c:1104
#2 0x5630171b6cda in zend_call_known_instance_method /home/php-src/Zend/zend_API.h:860
#3 0x5630171b6cda in zend_call_known_instance_method_with_0_params /home/php-src/Zend/zend_API.h:866
#4 0x5630171b6cda in zend_user_it_rewind /home/php-src/Zend/zend_interfaces.c:181
#5 0x563016683ea4 in spl_dual_it_rewind /home/php-src/ext/spl/spl_iterators.c:1471
#6 0x563016683ea4 in spl_append_it_next_iterator /home/php-src/ext/spl/spl_iterators.c:2788
#7 0x563016690161 in zim_AppendIterator_rewind /home/php-src/ext/spl/spl_iterators.c:2877
#8 0x563016dc7a02 in zend_call_function /home/php-src/Zend/zend_execute_API.c:1025
#9 0x563016dca569 in zend_call_known_function /home/php-src/Zend/zend_execute_API.c:1104
#10 0x5630171b6cda in zend_call_known_instance_method /home/php-src/Zend/zend_API.h:860
#11 0x5630171b6cda in zend_call_known_instance_method_with_0_params /home/php-src/Zend/zend_API.h:866
#12 0x5630171b6cda in zend_user_it_rewind /home/php-src/Zend/zend_interfaces.c:181
#13 0x563016683ea4 in spl_dual_it_rewind /home/php-src/ext/spl/spl_iterators.c:1471
#14 0x563016683ea4 in spl_append_it_next_iterator /home/php-src/ext/spl/spl_iterators.c:2788
#15 0x563016690161 in zim_AppendIterator_rewind /home/php-src/ext/spl/spl_iterators.c:2877
#16 0x563016dc7a02 in zend_call_function /home/php-src/Zend/zend_execute_API.c:1025
#17 0x563016dca569 in zend_call_known_function /home/php-src/Zend/zend_execute_API.c:1104
#18 0x5630171b6cda in zend_call_known_instance_method /home/php-src/Zend/zend_API.h:860
#19 0x5630171b6cda in zend_call_known_instance_method_with_0_params /home/php-src/Zend/zend_API.h:866
#20 0x5630171b6cda in zend_user_it_rewind /home/php-src/Zend/zend_interfaces.c:181
#21 0x563016683ea4 in spl_dual_it_rewind /home/php-src/ext/spl/spl_iterators.c:1471
#22 0x563016683ea4 in spl_append_it_next_iterator /home/php-src/ext/spl/spl_iterators.c:2788
#23 0x563016690161 in zim_AppendIterator_rewind /home/php-src/ext/spl/spl_iterators.c:2877
#24 0x563016dc7a02 in zend_call_function /home/php-src/Zend/zend_execute_API.c:1025
#25 0x563016dca569 in zend_call_known_function /home/php-src/Zend/zend_execute_API.c:1104
#26 0x5630171b6cda in zend_call_known_instance_method /home/php-src/Zend/zend_API.h:860
#27 0x5630171b6cda in zend_call_known_instance_method_with_0_params /home/php-src/Zend/zend_API.h:866
#28 0x5630171b6cda in zend_user_it_rewind /home/php-src/Zend/zend_interfaces.c:181
#29 0x563016683ea4 in spl_dual_it_rewind /home/php-src/ext/spl/spl_iterators.c:1471
#30 0x563016683ea4 in spl_append_it_next_iterator /home/php-src/ext/spl/spl_iterators.c:2788
#31 0x563016690161 in zim_AppendIterator_rewind /home/php-src/ext/spl/spl_iterators.c:2877
#32 0x563016dc7a02 in zend_call_function /home/php-src/Zend/zend_execute_API.c:1025
#33 0x563016dca569 in zend_call_known_function /home/php-src/Zend/zend_execute_API.c:1104
#34 0x5630171b6cda in zend_call_known_instance_method /home/php-src/Zend/zend_API.h:860
#35 0x5630171b6cda in zend_call_known_instance_method_with_0_params /home/php-src/Zend/zend_API.h:866
#36 0x5630171b6cda in zend_user_it_rewind /home/php-src/Zend/zend_interfaces.c:181
#37 0x563016683ea4 in spl_dual_it_rewind /home/php-src/ext/spl/spl_iterators.c:1471
#38 0x563016683ea4 in spl_append_it_next_iterator /home/php-src/ext/spl/spl_iterators.c:2788
#39 0x563016690161 in zim_AppendIterator_rewind /home/php-src/ext/spl/spl_iterators.c:2877
#40 0x563016dc7a02 in zend_call_function /home/php-src/Zend/zend_execute_API.c:1025
#41 0x563016dca569 in zend_call_known_function /home/php-src/Zend/zend_execute_API.c:1104
#42 0x5630171b6cda in zend_call_known_instance_method /home/php-src/Zend/zend_API.h:860
#43 0x5630171b6cda in zend_call_known_instance_method_with_0_params /home/php-src/Zend/zend_API.h:866
#44 0x5630171b6cda in zend_user_it_rewind /home/php-src/Zend/zend_interfaces.c:181
#45 0x563016683ea4 in spl_dual_it_rewind /home/php-src/ext/spl/spl_iterators.c:1471
#46 0x563016683ea4 in spl_append_it_next_iterator /home/php-src/ext/spl/spl_iterators.c:2788
#47 0x563016690161 in zim_AppendIterator_rewind /home/php-src/ext/spl/spl_iterators.c:2877
#48 0x563016dc7a02 in zend_call_function /home/php-src/Zend/zend_execute_API.c:1025
#49 0x563016dca569 in zend_call_known_function /home/php-src/Zend/zend_execute_API.c:1104
#50 0x5630171b6cda in zend_call_known_instance_method /home/php-src/Zend/zend_API.h:860
#51 0x5630171b6cda in zend_call_known_instance_method_with_0_params /home/php-src/Zend/zend_API.h:866
#52 0x5630171b6cda in zend_user_it_rewind /home/php-src/Zend/zend_interfaces.c:181
#53 0x563016683ea4 in spl_dual_it_rewind /home/php-src/ext/spl/spl_iterators.c:1471
#54 0x563016683ea4 in spl_append_it_next_iterator /home/php-src/ext/spl/spl_iterators.c:2788
#55 0x563016690161 in zim_AppendIterator_rewind /home/php-src/ext/spl/spl_iterators.c:2877
#56 0x563016dc7a02 in zend_call_function /home/php-src/Zend/zend_execute_API.c:1025
#57 0x563016dca569 in zend_call_known_function /home/php-src/Zend/zend_execute_API.c:1104
#58 0x5630171b6cda in zend_call_known_instance_method /home/php-src/Zend/zend_API.h:860
#59 0x5630171b6cda in zend_call_known_instance_method_with_0_params /home/php-src/Zend/zend_API.h:866
#60 0x5630171b6cda in zend_user_it_rewind /home/php-src/Zend/zend_interfaces.c:181
#61 0x563016683ea4 in spl_dual_it_rewind /home/php-src/ext/spl/spl_iterators.c:1471
#62 0x563016683ea4 in spl_append_it_next_iterator /home/php-src/ext/spl/spl_iterators.c:2788
#63 0x563016690161 in zim_AppendIterator_rewind /home/php-src/ext/spl/spl_iterators.c:2877
#64 0x563016dc7a02 in zend_call_function /home/php-src/Zend/zend_execute_API.c:1025
#65 0x563016dca569 in zend_call_known_function /home/php-src/Zend/zend_execute_API.c:1104
#66 0x5630171b6cda in zend_call_known_instance_method /home/php-src/Zend/zend_API.h:860
#67 0x5630171b6cda in zend_call_known_instance_method_with_0_params /home/php-src/Zend/zend_API.h:866
#68 0x5630171b6cda in zend_user_it_rewind /home/php-src/Zend/zend_interfaces.c:181
#69 0x563016683ea4 in spl_dual_it_rewind /home/php-src/ext/spl/spl_iterators.c:1471
#70 0x563016683ea4 in spl_append_it_next_iterator /home/php-src/ext/spl/spl_iterators.c:2788
#71 0x563016690161 in zim_AppendIterator_rewind /home/php-src/ext/spl/spl_iterators.c:2877
#72 0x563016dc7a02 in zend_call_function /home/php-src/Zend/zend_execute_API.c:1025
#73 0x563016dca569 in zend_call_known_function /home/php-src/Zend/zend_execute_API.c:1104
#74 0x5630171b6cda in zend_call_known_instance_method /home/php-src/Zend/zend_API.h:860
#75 0x5630171b6cda in zend_call_known_instance_method_with_0_params /home/php-src/Zend/zend_API.h:866
#76 0x5630171b6cda in zend_user_it_rewind /home/php-src/Zend/zend_interfaces.c:181
#77 0x563016683ea4 in spl_dual_it_rewind /home/php-src/ext/spl/spl_iterators.c:1471
#78 0x563016683ea4 in spl_append_it_next_iterator /home/php-src/ext/spl/spl_iterators.c:2788
#79 0x563016690161 in zim_AppendIterator_rewind /home/php-src/ext/spl/spl_iterators.c:2877
#80 0x563016dc7a02 in zend_call_function /home/php-src/Zend/zend_execute_API.c:1025
#81 0x563016dca569 in zend_call_known_function /home/php-src/Zend/zend_execute_API.c:1104
#82 0x5630171b6cda in zend_call_known_instance_method /home/php-src/Zend/zend_API.h:860
#83 0x5630171b6cda in zend_call_known_instance_method_with_0_params /home/php-src/Zend/zend_API.h:866
#84 0x5630171b6cda in zend_user_it_rewind /home/php-src/Zend/zend_interfaces.c:181
#85 0x563016683ea4 in spl_dual_it_rewind /home/php-src/ext/spl/spl_iterators.c:1471
#86 0x563016683ea4 in spl_append_it_next_iterator /home/php-src/ext/spl/spl_iterators.c:2788
#87 0x563016690161 in zim_AppendIterator_rewind /home/php-src/ext/spl/spl_iterators.c:2877
#88 0x563016dc7a02 in zend_call_function /home/php-src/Zend/zend_execute_API.c:1025
#89 0x563016dca569 in zend_call_known_function /home/php-src/Zend/zend_execute_API.c:1104
#90 0x5630171b6cda in zend_call_known_instance_method /home/php-src/Zend/zend_API.h:860
#91 0x5630171b6cda in zend_call_known_instance_method_with_0_params /home/php-src/Zend/zend_API.h:866
#92 0x5630171b6cda in zend_user_it_rewind /home/php-src/Zend/zend_interfaces.c:181
#93 0x563016683ea4 in spl_dual_it_rewind /home/php-src/ext/spl/spl_iterators.c:1471
#94 0x563016683ea4 in spl_append_it_next_iterator /home/php-src/ext/spl/spl_iterators.c:2788
#95 0x563016690161 in zim_AppendIterator_rewind /home/php-src/ext/spl/spl_iterators.c:2877
#96 0x563016dc7a02 in zend_call_function /home/php-src/Zend/zend_execute_API.c:1025
#97 0x563016dca569 in zend_call_known_function /home/php-src/Zend/zend_execute_API.c:1104
#98 0x5630171b6cda in zend_call_known_instance_method /home/php-src/Zend/zend_API.h:860
#99 0x5630171b6cda in zend_call_known_instance_method_with_0_params /home/php-src/Zend/zend_API.h:866
#100 0x5630171b6cda in zend_user_it_rewind /home/php-src/Zend/zend_interfaces.c:181
#101 0x563016683ea4 in spl_dual_it_rewind /home/php-src/ext/spl/spl_iterators.c:1471
#102 0x563016683ea4 in spl_append_it_next_iterator /home/php-src/ext/spl/spl_iterators.c:2788
#103 0x563016690161 in zim_AppendIterator_rewind /home/php-src/ext/spl/spl_iterators.c:2877
#104 0x563016dc7a02 in zend_call_function /home/php-src/Zend/zend_execute_API.c:1025
#105 0x563016dca569 in zend_call_known_function /home/php-src/Zend/zend_execute_API.c:1104
#106 0x5630171b6cda in zend_call_known_instance_method /home/php-src/Zend/zend_API.h:860
#107 0x5630171b6cda in zend_call_known_instance_method_with_0_params /home/php-src/Zend/zend_API.h:866
#108 0x5630171b6cda in zend_user_it_rewind /home/php-src/Zend/zend_interfaces.c:181
#109 0x563016683ea4 in spl_dual_it_rewind /home/php-src/ext/spl/spl_iterators.c:1471
#110 0x563016683ea4 in spl_append_it_next_iterator /home/php-src/ext/spl/spl_iterators.c:2788
#111 0x563016690161 in zim_AppendIterator_rewind /home/php-src/ext/spl/spl_iterators.c:2877
#112 0x563016dc7a02 in zend_call_function /home/php-src/Zend/zend_execute_API.c:1025
#113 0x563016dca569 in zend_call_known_function /home/php-src/Zend/zend_execute_API.c:1104
#114 0x5630171b6cda in zend_call_known_instance_method /home/php-src/Zend/zend_API.h:860
#115 0x5630171b6cda in zend_call_known_instance_method_with_0_params /home/php-src/Zend/zend_API.h:866
#116 0x5630171b6cda in zend_user_it_rewind /home/php-src/Zend/zend_interfaces.c:181
#117 0x563016683ea4 in spl_dual_it_rewind /home/php-src/ext/spl/spl_iterators.c:1471
#118 0x563016683ea4 in spl_append_it_next_iterator /home/php-src/ext/spl/spl_iterators.c:2788
#119 0x563016690161 in zim_AppendIterator_rewind /home/php-src/ext/spl/spl_iterators.c:2877
#120 0x563016dc7a02 in zend_call_function /home/php-src/Zend/zend_execute_API.c:1025
#121 0x563016dca569 in zend_call_known_function /home/php-src/Zend/zend_execute_API.c:1104
#122 0x5630171b6cda in zend_call_known_instance_method /home/php-src/Zend/zend_API.h:860
#123 0x5630171b6cda in zend_call_known_instance_method_with_0_params /home/php-src/Zend/zend_API.h:866
#124 0x5630171b6cda in zend_user_it_rewind /home/php-src/Zend/zend_interfaces.c:181
#125 0x563016683ea4 in spl_dual_it_rewind /home/php-src/ext/spl/spl_iterators.c:1471
#126 0x563016683ea4 in spl_append_it_next_iterator /home/php-src/ext/spl/spl_iterators.c:2788
#127 0x563016690161 in zim_AppendIterator_rewind /home/php-src/ext/spl/spl_iterators.c:2877
#128 0x563016dc7a02 in zend_call_function /home/php-src/Zend/zend_execute_API.c:1025
#129 0x563016dca569 in zend_call_known_function /home/php-src/Zend/zend_execute_API.c:1104
#130 0x5630171b6cda in zend_call_known_instance_method /home/php-src/Zend/zend_API.h:860
#131 0x5630171b6cda in zend_call_known_instance_method_with_0_params /home/php-src/Zend/zend_API.h:866
#132 0x5630171b6cda in zend_user_it_rewind /home/php-src/Zend/zend_interfaces.c:181
#133 0x563016683ea4 in spl_dual_it_rewind /home/php-src/ext/spl/spl_iterators.c:1471
#134 0x563016683ea4 in spl_append_it_next_iterator /home/php-src/ext/spl/spl_iterators.c:2788
#135 0x563016690161 in zim_AppendIterator_rewind /home/php-src/ext/spl/spl_iterators.c:2877
#136 0x563016dc7a02 in zend_call_function /home/php-src/Zend/zend_execute_API.c:1025
#137 0x563016dca569 in zend_call_known_function /home/php-src/Zend/zend_execute_API.c:1104
#138 0x5630171b6cda in zend_call_known_instance_method /home/php-src/Zend/zend_API.h:860
#139 0x5630171b6cda in zend_call_known_instance_method_with_0_params /home/php-src/Zend/zend_API.h:866
#140 0x5630171b6cda in zend_user_it_rewind /home/php-src/Zend/zend_interfaces.c:181
#141 0x563016683ea4 in spl_dual_it_rewind /home/php-src/ext/spl/spl_iterators.c:1471
#142 0x563016683ea4 in spl_append_it_next_iterator /home/php-src/ext/spl/spl_iterators.c:2788
#143 0x563016690161 in zim_AppendIterator_rewind /home/php-src/ext/spl/spl_iterators.c:2877
#144 0x563016dc7a02 in zend_call_function /home/php-src/Zend/zend_execute_API.c:1025
#145 0x563016dca569 in zend_call_known_function /home/php-src/Zend/zend_execute_API.c:1104
#146 0x5630171b6cda in zend_call_known_instance_method /home/php-src/Zend/zend_API.h:860
#147 0x5630171b6cda in zend_call_known_instance_method_with_0_params /home/php-src/Zend/zend_API.h:866
#148 0x5630171b6cda in zend_user_it_rewind /home/php-src/Zend/zend_interfaces.c:181
#149 0x563016683ea4 in spl_dual_it_rewind /home/php-src/ext/spl/spl_iterators.c:1471
#150 0x563016683ea4 in spl_append_it_next_iterator /home/php-src/ext/spl/spl_iterators.c:2788
#151 0x563016690161 in zim_AppendIterator_rewind /home/php-src/ext/spl/spl_iterators.c:2877
#152 0x563016dc7a02 in zend_call_function /home/php-src/Zend/zend_execute_API.c:1025
#153 0x563016dca569 in zend_call_known_function /home/php-src/Zend/zend_execute_API.c:1104
#154 0x5630171b6cda in zend_call_known_instance_method /home/php-src/Zend/zend_API.h:860
#155 0x5630171b6cda in zend_call_known_instance_method_with_0_params /home/php-src/Zend/zend_API.h:866
#156 0x5630171b6cda in zend_user_it_rewind /home/php-src/Zend/zend_interfaces.c:181
#157 0x563016683ea4 in spl_dual_it_rewind /home/php-src/ext/spl/spl_iterators.c:1471
#158 0x563016683ea4 in spl_append_it_next_iterator /home/php-src/ext/spl/spl_iterators.c:2788
#159 0x563016690161 in zim_AppendIterator_rewind /home/php-src/ext/spl/spl_iterators.c:2877
#160 0x563016dc7a02 in zend_call_function /home/php-src/Zend/zend_execute_API.c:1025
#161 0x563016dca569 in zend_call_known_function /home/php-src/Zend/zend_execute_API.c:1104
#162 0x5630171b6cda in zend_call_known_instance_method /home/php-src/Zend/zend_API.h:860
#163 0x5630171b6cda in zend_call_known_instance_method_with_0_params /home/php-src/Zend/zend_API.h:866
#164 0x5630171b6cda in zend_user_it_rewind /home/php-src/Zend/zend_interfaces.c:181
#165 0x563016683ea4 in spl_dual_it_rewind /home/php-src/ext/spl/spl_iterators.c:1471
#166 0x563016683ea4 in spl_append_it_next_iterator /home/php-src/ext/spl/spl_iterators.c:2788
#167 0x563016690161 in zim_AppendIterator_rewind /home/php-src/ext/spl/spl_iterators.c:2877
#168 0x563016dc7a02 in zend_call_function /home/php-src/Zend/zend_execute_API.c:1025
#169 0x563016dca569 in zend_call_known_function /home/php-src/Zend/zend_execute_API.c:1104
#170 0x5630171b6cda in zend_call_known_instance_method /home/php-src/Zend/zend_API.h:860
#171 0x5630171b6cda in zend_call_known_instance_method_with_0_params /home/php-src/Zend/zend_API.h:866
#172 0x5630171b6cda in zend_user_it_rewind /home/php-src/Zend/zend_interfaces.c:181
#173 0x563016683ea4 in spl_dual_it_rewind /home/php-src/ext/spl/spl_iterators.c:1471
#174 0x563016683ea4 in spl_append_it_next_iterator /home/php-src/ext/spl/spl_iterators.c:2788
#175 0x563016690161 in zim_AppendIterator_rewind /home/php-src/ext/spl/spl_iterators.c:2877
#176 0x563016dc7a02 in zend_call_function /home/php-src/Zend/zend_execute_API.c:1025
#177 0x563016dca569 in zend_call_known_function /home/php-src/Zend/zend_execute_API.c:1104
#178 0x5630171b6cda in zend_call_known_instance_method /home/php-src/Zend/zend_API.h:860
#179 0x5630171b6cda in zend_call_known_instance_method_with_0_params /home/php-src/Zend/zend_API.h:866
#180 0x5630171b6cda in zend_user_it_rewind /home/php-src/Zend/zend_interfaces.c:181
#181 0x563016683ea4 in spl_dual_it_rewind /home/php-src/ext/spl/spl_iterators.c:1471
#182 0x563016683ea4 in spl_append_it_next_iterator /home/php-src/ext/spl/spl_iterators.c:2788
#183 0x563016690161 in zim_AppendIterator_rewind /home/php-src/ext/spl/spl_iterators.c:2877
#184 0x563016dc7a02 in zend_call_function /home/php-src/Zend/zend_execute_API.c:1025
#185 0x563016dca569 in zend_call_known_function /home/php-src/Zend/zend_execute_API.c:1104
#186 0x5630171b6cda in zend_call_known_instance_method /home/php-src/Zend/zend_API.h:860
#187 0x5630171b6cda in zend_call_known_instance_method_with_0_params /home/php-src/Zend/zend_API.h:866
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#380 0x5630171b6cda in zend_user_it_rewind /home/php-src/Zend/zend_interfaces.c:181
#381 0x563016683ea4 in spl_dual_it_rewind /home/php-src/ext/spl/spl_iterators.c:1471
#382 0x563016683ea4 in spl_append_it_next_iterator /home/php-src/ext/spl/spl_iterators.c:2788
#383 0x563016690161 in zim_AppendIterator_rewind /home/php-src/ext/spl/spl_iterators.c:2877
#384 0x563016dc7a02 in zend_call_function /home/php-src/Zend/zend_execute_API.c:1025
#385 0x563016dca569 in zend_call_known_function /home/php-src/Zend/zend_execute_API.c:1104
#386 0x5630171b6cda in zend_call_known_instance_method /home/php-src/Zend/zend_API.h:860
#387 0x5630171b6cda in zend_call_known_instance_method_with_0_params /home/php-src/Zend/zend_API.h:866
#388 0x5630171b6cda in zend_user_it_rewind /home/php-src/Zend/zend_interfaces.c:181
#389 0x563016683ea4 in spl_dual_it_rewind /home/php-src/ext/spl/spl_iterators.c:1471
#390 0x563016683ea4 in spl_append_it_next_iterator /home/php-src/ext/spl/spl_iterators.c:2788
#391 0x563016690161 in zim_AppendIterator_rewind /home/php-src/ext/spl/spl_iterators.c:2877
#392 0x563016dc7a02 in zend_call_function /home/php-src/Zend/zend_execute_API.c:1025
#393 0x563016dca569 in zend_call_known_function /home/php-src/Zend/zend_execute_API.c:1104
#394 0x5630171b6cda in zend_call_known_instance_method /home/php-src/Zend/zend_API.h:860
#395 0x5630171b6cda in zend_call_known_instance_method_with_0_params /home/php-src/Zend/zend_API.h:866
#396 0x5630171b6cda in zend_user_it_rewind /home/php-src/Zend/zend_interfaces.c:181
#397 0x563016683ea4 in spl_dual_it_rewind /home/php-src/ext/spl/spl_iterators.c:1471
#398 0x563016683ea4 in spl_append_it_next_iterator /home/php-src/ext/spl/spl_iterators.c:2788
SUMMARY: AddressSanitizer: stack-overflow /home/php-src/Zend/zend_execute_API.c:810 in zend_call_function
==2764114==ABORTING
```
But I expected this output instead:
```
abcdef
```
### PHP Version
```plain
PHP 8.6.0-dev (cli) (built: Jan 5 2026 18:19:11) (NTS)
Copyright (c) The PHP Group
Zend Engine v4.6.0-dev, Copyright (c) Zend Technologies
with Zend OPcache v8.6.0-dev, Copyright (c), by Zend Technologies
```
### Operating System
Ubuntu 20.04