<?php
class foo
{
public $a;
public function __construct()
{
$this->$a = 'hola';
}
public function b()
{
print_r($this->$a);
}
}
$f = new foo();
$f->b();
Warning: Undefined variable $a in /in/q1Emo on line 9
Deprecated: Creation of dynamic property foo::$ is deprecated in /in/q1Emo on line 9
Warning: Undefined variable $a in /in/q1Emo on line 14
hola
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28
Warning: Undefined variable $a in /in/q1Emo on line 9
Warning: Undefined variable $a in /in/q1Emo on line 14
hola
Notice: Undefined variable: a in /in/q1Emo on line 9
Notice: Undefined variable: a in /in/q1Emo on line 14
hola
Output for 7.3.32 - 7.3.33, 7.4.26
hola
Output for 7.0.0 - 7.0.33
Notice: Undefined variable: a in /in/q1Emo on line 9
Fatal error: Uncaught Error: Cannot access empty property in /in/q1Emo:9
Stack trace:
#0 /in/q1Emo(18): foo->__construct()
#1 {main}
thrown in /in/q1Emo on line 9
Process exited with code 255.
Notice: Undefined variable: a in /in/q1Emo on line 9
Fatal error: Cannot access empty property in /in/q1Emo on line 9
Process exited with code 255.
Output for 5.0.0 - 5.0.3
Notice: Undefined variable: a in /in/q1Emo on line 9
Notice: Undefined variable: a in /in/q1Emo on line 14
hola
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/q1Emo 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/q1Emo 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/q1Emo on line 5
Process exited with code 255.