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<?php class Test { function test1(){ return 'Test1'; } public $t2 = 'pi'; } $t = new Test(); $t1 = 'test1'; echo 't1=' . $t->$t1() . PHP_EOL; echo 't2=' . $t->$t2() . PHP_EOL;
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
t1=Test1 Warning: Undefined variable $t2 in /in/hHpCX on line 14 Fatal error: Uncaught Error: Method name must be a string in /in/hHpCX:14 Stack trace: #0 {main} thrown in /in/hHpCX on line 14
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
t1=Test1 Notice: Undefined variable: t2 in /in/hHpCX on line 14 Fatal error: Uncaught Error: Method name must be a string in /in/hHpCX:14 Stack trace: #0 {main} thrown in /in/hHpCX on line 14
Process exited with code 255.
Output for 7.3.32 - 7.3.33
t1=Test1 Fatal error: Uncaught Error: Method name must be a string in /in/hHpCX:14 Stack trace: #0 {main} thrown in /in/hHpCX on line 14
Process exited with code 255.
Output for 5.4.2 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28
t1=Test1 Notice: Undefined variable: t2 in /in/hHpCX on line 14 Fatal error: Method name must be a string in /in/hHpCX on line 14
Process exited with code 255.

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