<?php
class Widget implements Serializable
{
public $references = array();
public function serialize()
{
$vars = get_object_vars($this);
$serialized = serialize($vars);
return $serialized;
}
public function unserialize($serialized)
{
$array = unserialize($serialized);
foreach($array as $k => $v)
$this->$k = $v;
}
}
class Placeholder
{
public $id;
public function __construct($id)
{
$this->id = $id;
}
}
$placeholder1 = new Placeholder(1);
$placeholder2 = new Placeholder(2);
$widgets = array(new Widget, new Widget, new Widget, new Widget);
$widgets[0]->references[] = $placeholder1;
$widgets[1]->references[] = $placeholder2;
$widgets[2]->references[] = $placeholder1;
$widgets[3]->references[] = $placeholder1;
var_dump(unserialize(serialize($widgets)));
- Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
- Deprecated: Widget implements the Serializable interface, which is deprecated. Implement __serialize() and __unserialize() instead (or in addition, if support for old PHP versions is necessary) in /in/and4g on line 2
array(4) {
[0]=>
object(Widget)#7 (1) {
["references"]=>
array(1) {
[0]=>
object(Placeholder)#8 (1) {
["id"]=>
int(1)
}
}
}
[1]=>
object(Widget)#9 (1) {
["references"]=>
array(1) {
[0]=>
object(Placeholder)#10 (1) {
["id"]=>
int(2)
}
}
}
[2]=>
object(Widget)#11 (1) {
["references"]=>
array(1) {
[0]=>
object(Placeholder)#8 (1) {
["id"]=>
int(1)
}
}
}
[3]=>
object(Widget)#12 (1) {
["references"]=>
array(1) {
[0]=>
object(Placeholder)#8 (1) {
["id"]=>
int(1)
}
}
}
}
- Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 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(4) {
[0]=>
object(Widget)#7 (1) {
["references"]=>
array(1) {
[0]=>
object(Placeholder)#8 (1) {
["id"]=>
int(1)
}
}
}
[1]=>
object(Widget)#9 (1) {
["references"]=>
array(1) {
[0]=>
object(Placeholder)#10 (1) {
["id"]=>
int(2)
}
}
}
[2]=>
object(Widget)#11 (1) {
["references"]=>
array(1) {
[0]=>
object(Placeholder)#8 (1) {
["id"]=>
int(1)
}
}
}
[3]=>
object(Widget)#12 (1) {
["references"]=>
array(1) {
[0]=>
object(Placeholder)#8 (1) {
["id"]=>
int(1)
}
}
}
}
- Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
- array(4) {
[0]=>
object(Widget)#7 (1) {
["references"]=>
array(1) {
[0]=>
object(Placeholder)#8 (1) {
["id"]=>
int(1)
}
}
}
[1]=>
object(Widget)#9 (1) {
["references"]=>
array(1) {
[0]=>
object(Placeholder)#10 (1) {
["id"]=>
int(2)
}
}
}
[2]=>
object(Widget)#11 (1) {
["references"]=>
array(1) {
[0]=>
object(Placeholder)#12 (1) {
["id"]=>
int(1)
}
}
}
[3]=>
object(Widget)#13 (1) {
["references"]=>
array(1) {
[0]=>
object(Placeholder)#14 (1) {
["id"]=>
int(1)
}
}
}
}
- Output for 5.0.5
- Fatal error: Interface 'Serializable' not found in /in/and4g on line 2
Process exited with code 255. - Output for 5.0.0 - 5.0.4
- Fatal error: Class 'Serializable' not found in /in/and4g on line 2
Process exited with code 255. - Output for 4.4.2 - 4.4.9
- Parse error: syntax error, unexpected T_STRING, expecting '{' in /in/and4g on line 2
Process exited with code 255. - Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
- Parse error: parse error, unexpected T_STRING, expecting '{' in /in/and4g on line 2
Process exited with code 255. - Output for 4.3.2 - 4.3.4
- Parse error: parse error, expecting `'{'' in /in/and4g on line 2
Process exited with code 255.
preferences:
234.95 ms | 401 KiB | 357 Q