serialization_arrays_002.phpt [plain text]
--TEST--
serialization: arrays with references amonst elements
--FILE--
<?php
/* Prototype : proto string serialize(mixed variable)
* Description: Returns a string representation of variable (which can later be unserialized)
* Source code: ext/standard/var.c
* Alias to functions:
*/
/* Prototype : proto mixed unserialize(string variable_representation)
* Description: Takes a string representation of variable and recreates it
* Source code: ext/standard/var.c
* Alias to functions:
*/
function check(&$a) {
var_dump($a);
$ser = serialize($a);
var_dump($ser);
$b = unserialize($ser);
var_dump($b);
$b[0] = "b0.changed";
var_dump($b);
$b[1] = "b1.changed";
var_dump($b);
$b[2] = "b2.changed";
var_dump($b);
}
echo "\n\n--- No references:\n";
$a = array();
$a[0] = 1;
$a[1] = 1;
$a[2] = 1;
check($a);
echo "\n\n--- 0 refs 1:\n";
$a = array();
$a[0] = &$a[1];
$a[1] = 1;
$a[2] = 1;
check($a);
echo "\n\n--- 0 refs 2:\n";
$a = array();
$a[0] = &$a[2];
$a[1] = 1;
$a[2] = 1;
check($a);
echo "\n\n--- 1 refs 0:\n";
$a = array();
$a[0] = 1;
$a[1] = &$a[0];
$a[2] = 1;
check($a);
echo "\n\n--- 1 refs 2:\n";
$a = array();
$a[0] = 1;
$a[1] = &$a[2];
$a[2] = 1;
check($a);
echo "\n\n--- 2 refs 0:\n";
$a = array();
$a[0] = 1;
$a[1] = 1;
$a[2] = &$a[0];
check($a);
echo "\n\n--- 2 refs 1:\n";
$a = array();
$a[0] = 1;
$a[1] = 1;
$a[2] = &$a[1];
check($a);
echo "\n\n--- 0,1 ref 2:\n";
$a = array();
$a[0] = &$a[2];
$a[1] = &$a[2];
$a[2] = 1;
check($a);
echo "\n\n--- 0,2 ref 1:\n";
$a = array();
$a[0] = &$a[1];
$a[1] = 1;
$a[2] = &$a[1];
check($a);
echo "\n\n--- 1,2 ref 0:\n";
$a = array();
$a[0] = 1;
$a[1] = &$a[0];
$a[2] = &$a[0];
check($a);
echo "Done";
?>
--EXPECTF--
--- No references:
array(3) {
[0]=>
int(1)
[1]=>
int(1)
[2]=>
int(1)
}
string(30) "a:3:{i:0;i:1;i:1;i:1;i:2;i:1;}"
array(3) {
[0]=>
int(1)
[1]=>
int(1)
[2]=>
int(1)
}
array(3) {
[0]=>
string(10) "b0.changed"
[1]=>
int(1)
[2]=>
int(1)
}
array(3) {
[0]=>
string(10) "b0.changed"
[1]=>
string(10) "b1.changed"
[2]=>
int(1)
}
array(3) {
[0]=>
string(10) "b0.changed"
[1]=>
string(10) "b1.changed"
[2]=>
string(10) "b2.changed"
}
--- 0 refs 1:
array(3) {
[1]=>
&int(1)
[0]=>
&int(1)
[2]=>
int(1)
}
string(30) "a:3:{i:1;i:1;i:0;R:2;i:2;i:1;}"
array(3) {
[1]=>
&int(1)
[0]=>
&int(1)
[2]=>
int(1)
}
array(3) {
[1]=>
&string(10) "b0.changed"
[0]=>
&string(10) "b0.changed"
[2]=>
int(1)
}
array(3) {
[1]=>
&string(10) "b1.changed"
[0]=>
&string(10) "b1.changed"
[2]=>
int(1)
}
array(3) {
[1]=>
&string(10) "b1.changed"
[0]=>
&string(10) "b1.changed"
[2]=>
string(10) "b2.changed"
}
--- 0 refs 2:
array(3) {
[2]=>
&int(1)
[0]=>
&int(1)
[1]=>
int(1)
}
string(30) "a:3:{i:2;i:1;i:0;R:2;i:1;i:1;}"
array(3) {
[2]=>
&int(1)
[0]=>
&int(1)
[1]=>
int(1)
}
array(3) {
[2]=>
&string(10) "b0.changed"
[0]=>
&string(10) "b0.changed"
[1]=>
int(1)
}
array(3) {
[2]=>
&string(10) "b0.changed"
[0]=>
&string(10) "b0.changed"
[1]=>
string(10) "b1.changed"
}
array(3) {
[2]=>
&string(10) "b2.changed"
[0]=>
&string(10) "b2.changed"
[1]=>
string(10) "b1.changed"
}
--- 1 refs 0:
array(3) {
[0]=>
&int(1)
[1]=>
&int(1)
[2]=>
int(1)
}
string(30) "a:3:{i:0;i:1;i:1;R:2;i:2;i:1;}"
array(3) {
[0]=>
&int(1)
[1]=>
&int(1)
[2]=>
int(1)
}
array(3) {
[0]=>
&string(10) "b0.changed"
[1]=>
&string(10) "b0.changed"
[2]=>
int(1)
}
array(3) {
[0]=>
&string(10) "b1.changed"
[1]=>
&string(10) "b1.changed"
[2]=>
int(1)
}
array(3) {
[0]=>
&string(10) "b1.changed"
[1]=>
&string(10) "b1.changed"
[2]=>
string(10) "b2.changed"
}
--- 1 refs 2:
array(3) {
[0]=>
int(1)
[2]=>
&int(1)
[1]=>
&int(1)
}
string(30) "a:3:{i:0;i:1;i:2;i:1;i:1;R:3;}"
array(3) {
[0]=>
int(1)
[2]=>
&int(1)
[1]=>
&int(1)
}
array(3) {
[0]=>
string(10) "b0.changed"
[2]=>
&int(1)
[1]=>
&int(1)
}
array(3) {
[0]=>
string(10) "b0.changed"
[2]=>
&string(10) "b1.changed"
[1]=>
&string(10) "b1.changed"
}
array(3) {
[0]=>
string(10) "b0.changed"
[2]=>
&string(10) "b2.changed"
[1]=>
&string(10) "b2.changed"
}
--- 2 refs 0:
array(3) {
[0]=>
&int(1)
[1]=>
int(1)
[2]=>
&int(1)
}
string(30) "a:3:{i:0;i:1;i:1;i:1;i:2;R:2;}"
array(3) {
[0]=>
&int(1)
[1]=>
int(1)
[2]=>
&int(1)
}
array(3) {
[0]=>
&string(10) "b0.changed"
[1]=>
int(1)
[2]=>
&string(10) "b0.changed"
}
array(3) {
[0]=>
&string(10) "b0.changed"
[1]=>
string(10) "b1.changed"
[2]=>
&string(10) "b0.changed"
}
array(3) {
[0]=>
&string(10) "b2.changed"
[1]=>
string(10) "b1.changed"
[2]=>
&string(10) "b2.changed"
}
--- 2 refs 1:
array(3) {
[0]=>
int(1)
[1]=>
&int(1)
[2]=>
&int(1)
}
string(30) "a:3:{i:0;i:1;i:1;i:1;i:2;R:3;}"
array(3) {
[0]=>
int(1)
[1]=>
&int(1)
[2]=>
&int(1)
}
array(3) {
[0]=>
string(10) "b0.changed"
[1]=>
&int(1)
[2]=>
&int(1)
}
array(3) {
[0]=>
string(10) "b0.changed"
[1]=>
&string(10) "b1.changed"
[2]=>
&string(10) "b1.changed"
}
array(3) {
[0]=>
string(10) "b0.changed"
[1]=>
&string(10) "b2.changed"
[2]=>
&string(10) "b2.changed"
}
--- 0,1 ref 2:
array(3) {
[2]=>
&int(1)
[0]=>
&int(1)
[1]=>
&int(1)
}
string(30) "a:3:{i:2;i:1;i:0;R:2;i:1;R:2;}"
array(3) {
[2]=>
&int(1)
[0]=>
&int(1)
[1]=>
&int(1)
}
array(3) {
[2]=>
&string(10) "b0.changed"
[0]=>
&string(10) "b0.changed"
[1]=>
&string(10) "b0.changed"
}
array(3) {
[2]=>
&string(10) "b1.changed"
[0]=>
&string(10) "b1.changed"
[1]=>
&string(10) "b1.changed"
}
array(3) {
[2]=>
&string(10) "b2.changed"
[0]=>
&string(10) "b2.changed"
[1]=>
&string(10) "b2.changed"
}
--- 0,2 ref 1:
array(3) {
[1]=>
&int(1)
[0]=>
&int(1)
[2]=>
&int(1)
}
string(30) "a:3:{i:1;i:1;i:0;R:2;i:2;R:2;}"
array(3) {
[1]=>
&int(1)
[0]=>
&int(1)
[2]=>
&int(1)
}
array(3) {
[1]=>
&string(10) "b0.changed"
[0]=>
&string(10) "b0.changed"
[2]=>
&string(10) "b0.changed"
}
array(3) {
[1]=>
&string(10) "b1.changed"
[0]=>
&string(10) "b1.changed"
[2]=>
&string(10) "b1.changed"
}
array(3) {
[1]=>
&string(10) "b2.changed"
[0]=>
&string(10) "b2.changed"
[2]=>
&string(10) "b2.changed"
}
--- 1,2 ref 0:
array(3) {
[0]=>
&int(1)
[1]=>
&int(1)
[2]=>
&int(1)
}
string(30) "a:3:{i:0;i:1;i:1;R:2;i:2;R:2;}"
array(3) {
[0]=>
&int(1)
[1]=>
&int(1)
[2]=>
&int(1)
}
array(3) {
[0]=>
&string(10) "b0.changed"
[1]=>
&string(10) "b0.changed"
[2]=>
&string(10) "b0.changed"
}
array(3) {
[0]=>
&string(10) "b1.changed"
[1]=>
&string(10) "b1.changed"
[2]=>
&string(10) "b1.changed"
}
array(3) {
[0]=>
&string(10) "b2.changed"
[1]=>
&string(10) "b2.changed"
[2]=>
&string(10) "b2.changed"
}
Done