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<?php class weird { var $myvar; function __construct() { $this->myvar = "A"; $this->$myvar = "B"; $this->${'myvar'} = "C"; $this->${'$myvar'} = "D"; echo 'this->myvar: '.$this->myvar."\n"; echo 'this->$myvar: '.$this->$myvar."\n"; echo 'this->${\'myvar\'}: '.$this->${'myvar'}."\n"; echo 'this->${\'$myvar\'}: '.$this->${'$myvar'}."\n"; echo 'this->$$$$$$$myvar: '.$this->$$$$$$$myvar."\n"; echo 'this->$$$$$$${\'$$$myvar\'}: ' . $this->$$$$$$${'$$$myvar'}."\n"; } } $obj = new weird; ?>
Output for 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Warning: Undefined variable $myvar in /in/3bfGs on line 9 Deprecated: Creation of dynamic property weird::$ is deprecated in /in/3bfGs on line 9 Warning: Undefined variable $myvar in /in/3bfGs on line 10 Warning: Undefined variable $$myvar in /in/3bfGs on line 11 this->myvar: A Warning: Undefined variable $myvar in /in/3bfGs on line 14 this->$myvar: D Warning: Undefined variable $myvar in /in/3bfGs on line 15 this->${'myvar'}: D Warning: Undefined variable $$myvar in /in/3bfGs on line 16 this->${'$myvar'}: D Warning: Undefined variable $myvar in /in/3bfGs on line 17 Warning: Undefined variable $ in /in/3bfGs on line 17 Warning: Undefined variable $ in /in/3bfGs on line 17 Warning: Undefined variable $ in /in/3bfGs on line 17 Warning: Undefined variable $ in /in/3bfGs on line 17 Warning: Undefined variable $ in /in/3bfGs on line 17 Warning: Undefined variable $ in /in/3bfGs on line 17 this->$$$$$$$myvar: D Warning: Undefined variable $$$$myvar in /in/3bfGs on line 19 Warning: Undefined variable $ in /in/3bfGs on line 19 Warning: Undefined variable $ in /in/3bfGs on line 19 Warning: Undefined variable $ in /in/3bfGs on line 19 Warning: Undefined variable $ in /in/3bfGs on line 19 Warning: Undefined variable $ in /in/3bfGs on line 19 Warning: Undefined variable $ in /in/3bfGs on line 19 this->$$$$$$${'$$$myvar'}: D
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28
Warning: Undefined variable $myvar in /in/3bfGs on line 9 Warning: Undefined variable $myvar in /in/3bfGs on line 10 Warning: Undefined variable $$myvar in /in/3bfGs on line 11 this->myvar: A Warning: Undefined variable $myvar in /in/3bfGs on line 14 this->$myvar: D Warning: Undefined variable $myvar in /in/3bfGs on line 15 this->${'myvar'}: D Warning: Undefined variable $$myvar in /in/3bfGs on line 16 this->${'$myvar'}: D Warning: Undefined variable $myvar in /in/3bfGs on line 17 Warning: Undefined variable $ in /in/3bfGs on line 17 Warning: Undefined variable $ in /in/3bfGs on line 17 Warning: Undefined variable $ in /in/3bfGs on line 17 Warning: Undefined variable $ in /in/3bfGs on line 17 Warning: Undefined variable $ in /in/3bfGs on line 17 Warning: Undefined variable $ in /in/3bfGs on line 17 this->$$$$$$$myvar: D Warning: Undefined variable $$$$myvar in /in/3bfGs on line 19 Warning: Undefined variable $ in /in/3bfGs on line 19 Warning: Undefined variable $ in /in/3bfGs on line 19 Warning: Undefined variable $ in /in/3bfGs on line 19 Warning: Undefined variable $ in /in/3bfGs on line 19 Warning: Undefined variable $ in /in/3bfGs on line 19 Warning: Undefined variable $ in /in/3bfGs on line 19 this->$$$$$$${'$$$myvar'}: D
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined variable: myvar in /in/3bfGs on line 9 Notice: Undefined variable: myvar in /in/3bfGs on line 10 Notice: Undefined variable: $myvar in /in/3bfGs on line 11 this->myvar: A Notice: Undefined variable: myvar in /in/3bfGs on line 14 this->$myvar: D Notice: Undefined variable: myvar in /in/3bfGs on line 15 this->${'myvar'}: D Notice: Undefined variable: $myvar in /in/3bfGs on line 16 this->${'$myvar'}: D Notice: Undefined variable: myvar in /in/3bfGs on line 17 Notice: Undefined variable: in /in/3bfGs on line 17 Notice: Undefined variable: in /in/3bfGs on line 17 Notice: Undefined variable: in /in/3bfGs on line 17 Notice: Undefined variable: in /in/3bfGs on line 17 Notice: Undefined variable: in /in/3bfGs on line 17 Notice: Undefined variable: in /in/3bfGs on line 17 this->$$$$$$$myvar: D Notice: Undefined variable: $$$myvar in /in/3bfGs on line 19 Notice: Undefined variable: in /in/3bfGs on line 19 Notice: Undefined variable: in /in/3bfGs on line 19 Notice: Undefined variable: in /in/3bfGs on line 19 Notice: Undefined variable: in /in/3bfGs on line 19 Notice: Undefined variable: in /in/3bfGs on line 19 Notice: Undefined variable: in /in/3bfGs on line 19 this->$$$$$$${'$$$myvar'}: D
Output for 7.3.32 - 7.3.33
this->myvar: A this->$myvar: D this->${'myvar'}: D this->${'$myvar'}: D this->$$$$$$$myvar: D this->$$$$$$${'$$$myvar'}: D
Output for 7.0.0 - 7.0.33
Notice: Undefined variable: myvar in /in/3bfGs on line 9 Fatal error: Uncaught Error: Cannot access empty property in /in/3bfGs:9 Stack trace: #0 /in/3bfGs(24): weird->__construct() #1 {main} thrown in /in/3bfGs on line 9
Process exited with code 255.
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Notice: Undefined variable: myvar in /in/3bfGs on line 9 Fatal error: Cannot access empty property in /in/3bfGs on line 9
Process exited with code 255.

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