<?php
class A
{
private $a;
private $b;
public function __construct($a)
{
$this->a = $a;
$this->b = $a;
}
public function __sleep()
{
return array('a');
}
public function __wakeUp()
{
$this->__construct($this->a);
}
public function getA()
{
return $this->a;
}
public function getB()
{
return $this->b;
}
}
class B implements \Serializable
{
private $a;
private $b;
public function __construct($a)
{
$this->a = $a;
$this->b = $a;
}
public function serialize()
{
return array($this->a);
}
public function unserialize($serialized)
{
list($this->a) = unserialize($serialized);
$this->__construct($this->a);
}
public function getA()
{
return $this->a;
}
public function getB()
{
return $this->b;
}
}
$a = new A('a');
$b = new B('b');
$serializedA = serialize($a);
$serializedB = serialize($b);
var_dump($serializedA);
var_dump($serializedB);
Deprecated: B 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/kE5tF on line 35
Fatal error: Uncaught Exception: B::serialize() must return a string or NULL in /in/kE5tF:72
Stack trace:
#0 /in/kE5tF(72): serialize(Object(B))
#1 {main}
thrown in /in/kE5tF on line 72
Process exited with code 255.
Fatal error: Uncaught Exception: B::serialize() must return a string or NULL in /in/kE5tF:72
Stack trace:
#0 /in/kE5tF(72): serialize(Object(B))
#1 {main}
thrown in /in/kE5tF on line 72
Process exited with code 255.
Fatal error: Uncaught exception 'Exception' with message 'B::serialize() must return a string or NULL' in /in/kE5tF:72
Stack trace:
#0 /in/kE5tF(72): serialize(Object(B))
#1 {main}
thrown in /in/kE5tF on line 72
Process exited with code 255.
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/kE5tF on line 35
Fatal error: Uncaught exception 'Exception' with message 'B::serialize() must return a string or NULL' in /in/kE5tF:72
Stack trace:
#0 /in/kE5tF(72): serialize(Object(B))
#1 {main}
thrown in /in/kE5tF on line 72
Process exited with code 255.
Output for 5.0.5
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/kE5tF on line 35
Fatal error: Interface 'Serializable' not found in /in/kE5tF on line 35
Process exited with code 255.
Output for 5.0.0 - 5.0.4
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/kE5tF on line 35
Fatal error: Class 'Serializable' not found in /in/kE5tF on line 35
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/kE5tF on line 5
Process exited with code 255.
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/kE5tF on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/kE5tF on line 5
Process exited with code 255.