<?php
class a
{
public $prop;
public function change()
{
$prop=2;
}
public function output()
{
echo $prop;
}
}
class b
{
public function change()
{
$this->prop=2;
}
public function output()
{
echo $this->prop;
echo $this;
}
}
$objA=new a();
$objB=new b();
$objA->change();
$objA->output();
$objB->change();
$objB->output();
Warning: Undefined variable $prop in /in/WSY7H on line 13
Deprecated: Creation of dynamic property b::$prop is deprecated in /in/WSY7H on line 21
2
Fatal error: Uncaught Error: Object of class b could not be converted to string in /in/WSY7H:27
Stack trace:
#0 /in/WSY7H(39): b->output()
#1 {main}
thrown in /in/WSY7H on line 27
Process exited with code 255.
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28
Warning: Undefined variable $prop in /in/WSY7H on line 13
2
Fatal error: Uncaught Error: Object of class b could not be converted to string in /in/WSY7H:27
Stack trace:
#0 /in/WSY7H(39): b->output()
#1 {main}
thrown in /in/WSY7H on line 27
Process exited with code 255.
Output for 7.4.0 - 7.4.33
Notice: Undefined variable: prop in /in/WSY7H on line 13
2
Fatal error: Uncaught Error: Object of class b could not be converted to string in /in/WSY7H:27
Stack trace:
#0 /in/WSY7H(39): b->output()
#1 {main}
thrown in /in/WSY7H on line 27
Process exited with code 255.
Output for 7.3.32 - 7.3.33
2
Recoverable fatal error: Object of class b could not be converted to string in /in/WSY7H on line 27
Process exited with code 255.
Notice: Undefined variable: prop in /in/WSY7H on line 13
2
Recoverable fatal error: Object of class b could not be converted to string in /in/WSY7H on line 27
Process exited with code 255.
Notice: Undefined variable: prop in /in/WSY7H on line 13
2
Catchable fatal error: Object of class b could not be converted to string in /in/WSY7H on line 27
Process exited with code 255.
Output for 5.0.4 - 5.0.5, 5.1.0 - 5.1.6
Notice: Undefined variable: prop in /in/WSY7H on line 13
2Object id #2
Output for 5.0.0 - 5.0.3
Notice: Undefined variable: prop in /in/WSY7H on line 13
2Object id #2
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/WSY7H on line 4
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/WSY7H on line 4
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/WSY7H on line 4
Process exited with code 255.