<?php
$a[0] = 1;
echo '$a: '; debug_zval_dump($a);
$b =& $a[0];
echo "=============\n";
echo '$a: '; debug_zval_dump($a);
echo '$b: '; debug_zval_dump($b);
$c = $a;
echo "=============\n";
echo '$a: '; debug_zval_dump($a);
echo '$c: '; debug_zval_dump($c);
$c[0] = 2;
echo "=============\n";
echo '$a: '; debug_zval_dump($a);
echo '$c: '; debug_zval_dump($c);
- Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
- $a: array(1) refcount(2){
[0]=>
int(1)
}
=============
$a: array(1) refcount(2){
[0]=>
reference refcount(2) {
int(1)
}
}
$b: int(1)
=============
$a: array(1) refcount(3){
[0]=>
reference refcount(2) {
int(1)
}
}
$c: array(1) refcount(3){
[0]=>
reference refcount(2) {
int(1)
}
}
=============
$a: array(1) refcount(2){
[0]=>
reference refcount(3) {
int(2)
}
}
$c: array(1) refcount(2){
[0]=>
reference refcount(3) {
int(2)
}
}
- Output for 7.0.0 - 7.0.33, 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
- $a: array(1) refcount(2){
[0]=>
int(1)
}
=============
$a: array(1) refcount(2){
[0]=>
&int(1)
}
$b: int(1)
=============
$a: array(1) refcount(3){
[0]=>
&int(1)
}
$c: array(1) refcount(3){
[0]=>
&int(1)
}
=============
$a: array(1) refcount(2){
[0]=>
&int(2)
}
$c: array(1) refcount(2){
[0]=>
&int(2)
}
- Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
- $a: array(1) refcount(2){
[0]=>
long(1) refcount(1)
}
=============
$a: array(1) refcount(2){
[0]=>
&long(1) refcount(2)
}
$b: long(1) refcount(1)
=============
$a: array(1) refcount(3){
[0]=>
&long(1) refcount(2)
}
$c: array(1) refcount(3){
[0]=>
&long(1) refcount(2)
}
=============
$a: array(1) refcount(2){
[0]=>
&long(2) refcount(3)
}
$c: array(1) refcount(2){
[0]=>
&long(2) refcount(3)
}
preferences:
287.35 ms | 404 KiB | 459 Q