<?php
class User
{
public $profile;
}
class Profile
{
public $user;
public function __construct(User $user)
{
$this->user = $user;
$user->profile = $this;
}
}
$user1 = new User();
$profile1 = new Profile($user);
$user2 = new User();
$profile2 = new Profile($user);
$profile1 == $profile2;
Warning: Undefined variable $user in /in/bkZrq on line 22
Fatal error: Uncaught TypeError: Profile::__construct(): Argument #1 ($user) must be of type User, null given, called in /in/bkZrq on line 22 and defined in /in/bkZrq:13
Stack trace:
#0 /in/bkZrq(22): Profile->__construct(NULL)
#1 {main}
thrown in /in/bkZrq on line 13
Process exited with code 255.
Notice: Undefined variable: user in /in/bkZrq on line 22
Fatal error: Uncaught TypeError: Argument 1 passed to Profile::__construct() must be an instance of User, null given, called in /in/bkZrq on line 22 and defined in /in/bkZrq:13
Stack trace:
#0 /in/bkZrq(22): Profile->__construct(NULL)
#1 {main}
thrown in /in/bkZrq on line 13
Process exited with code 255.
Output for 7.3.32 - 7.3.33
Fatal error: Uncaught TypeError: Argument 1 passed to Profile::__construct() must be an instance of User, null given, called in /in/bkZrq on line 22 and defined in /in/bkZrq:13
Stack trace:
#0 /in/bkZrq(22): Profile->__construct(NULL)
#1 {main}
thrown in /in/bkZrq on line 13
Process exited with code 255.
Notice: Undefined variable: user in /in/bkZrq on line 22
Catchable fatal error: Argument 1 passed to Profile::__construct() must be an instance of User, null given, called in /in/bkZrq on line 22 and defined in /in/bkZrq on line 13
Process exited with code 255.
Output for 5.1.0 - 5.1.6
Notice: Undefined variable: user in /in/bkZrq on line 22
Fatal error: Argument 1 passed to Profile::__construct() must not be null, called in /in/bkZrq on line 22 and defined in /in/bkZrq on line 13
Process exited with code 255.
Output for 5.0.4 - 5.0.5
Notice: Undefined variable: user in /in/bkZrq on line 22
Fatal error: Argument 1 must not be null in /in/bkZrq on line 13
Process exited with code 255.
Output for 5.0.0 - 5.0.3
Notice: Undefined variable: user in /in/bkZrq on line 22
Fatal error: Argument 1 must not be null in /in/bkZrq on line 13
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/bkZrq on line 6
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/bkZrq on line 6
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/bkZrq on line 6
Process exited with code 255.