<?php
function func(&$data) {
foreach ($data as $key => $value) {
if (is_array($value)) {
func($data[$key]);
}
}
}
$data = [
['zero' => [0]],
['one' => [1]],
];
debug_zval_dump($data); //refcount=2
for ($i = 0; $i < 10000; $i++) func($data);
debug_zval_dump($data); //refcount=3
- Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
- array(2) refcount(3){
[0]=>
array(1) refcount(1){
["zero"]=>
array(1) refcount(1){
[0]=>
int(0)
}
}
[1]=>
array(1) refcount(1){
["one"]=>
array(1) refcount(1){
[0]=>
int(1)
}
}
}
array(2) refcount(2){
[0]=>
reference refcount(1) {
array(1) refcount(1){
["zero"]=>
reference refcount(1) {
array(1) refcount(2){
[0]=>
int(0)
}
}
}
}
[1]=>
reference refcount(1) {
array(1) refcount(1){
["one"]=>
reference refcount(1) {
array(1) refcount(2){
[0]=>
int(1)
}
}
}
}
}
- Output for 8.3.5
- Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0
array(2) refcount(3){
[0]=>
array(1) refcount(1){
["zero"]=>
array(1) refcount(1){
[0]=>
int(0)
}
}
[1]=>
array(1) refcount(1){
["one"]=>
array(1) refcount(1){
[0]=>
int(1)
}
}
}
array(2) refcount(2){
[0]=>
reference refcount(1) {
array(1) refcount(1){
["zero"]=>
reference refcount(1) {
array(1) refcount(2){
[0]=>
int(0)
}
}
}
}
[1]=>
reference refcount(1) {
array(1) refcount(1){
["one"]=>
reference refcount(1) {
array(1) refcount(2){
[0]=>
int(1)
}
}
}
}
}
- Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30
- array(2) refcount(3){
[0]=>
array(1) refcount(1){
["zero"]=>
array(1) refcount(1){
[0]=>
int(0)
}
}
[1]=>
array(1) refcount(1){
["one"]=>
array(1) refcount(1){
[0]=>
int(1)
}
}
}
array(2) refcount(2){
[0]=>
array(1) refcount(1){
["zero"]=>
array(1) refcount(2){
[0]=>
int(0)
}
}
[1]=>
array(1) refcount(1){
["one"]=>
array(1) refcount(2){
[0]=>
int(1)
}
}
}
- Output for 7.0.0 - 7.0.33
- array(2) refcount(2){
[0]=>
array(1) refcount(2){
["zero"]=>
array(1) refcount(1){
[0]=>
int(0)
}
}
[1]=>
array(1) refcount(2){
["one"]=>
array(1) refcount(1){
[0]=>
int(1)
}
}
}
array(2) refcount(2){
[0]=>
array(1) refcount(1){
["zero"]=>
array(1) refcount(2){
[0]=>
int(0)
}
}
[1]=>
array(1) refcount(1){
["one"]=>
array(1) refcount(2){
[0]=>
int(1)
}
}
}
- Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
- array(2) refcount(2){
[0]=>
array(1) refcount(1){
["zero"]=>
array(1) refcount(1){
[0]=>
long(0) refcount(1)
}
}
[1]=>
array(1) refcount(1){
["one"]=>
array(1) refcount(1){
[0]=>
long(1) refcount(1)
}
}
}
array(2) refcount(2){
[0]=>
array(1) refcount(1){
["zero"]=>
array(1) refcount(1){
[0]=>
long(0) refcount(1)
}
}
[1]=>
array(1) refcount(1){
["one"]=>
array(1) refcount(1){
[0]=>
long(1) refcount(1)
}
}
}
preferences:
266.34 ms | 403 KiB | 327 Q