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<?php class A { public static $a = "Hello"; public $b = "World"; } $a = new A(); echo $a::$a; echo $a::$b; A::$a = "Nino"; $b = new A(); echo "\n\n"; echo $b::$a; echo $b::$b;
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Hello Fatal error: Uncaught Error: Access to undeclared static property A::$b in /in/8tAVg:11 Stack trace: #0 {main} thrown in /in/8tAVg on line 11
Process exited with code 255.
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Hello Fatal error: Uncaught Error: Access to undeclared static property: A::$b in /in/8tAVg:11 Stack trace: #0 {main} thrown in /in/8tAVg on line 11
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Hello Fatal error: Access to undeclared static property: A::$b in /in/8tAVg on line 11
Process exited with code 255.

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