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<?php class A { static function hello(){ echo "Hello World\n"; } } $y[0] = 'hello'; echo "A::${y[0]}"; echo A::${y[0]};
Output for 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Deprecated: Using ${var} in strings is deprecated, use {$var} instead in /in/Mo2sV on line 11 A::hello Fatal error: Uncaught Error: Undefined constant "y" in /in/Mo2sV:12 Stack trace: #0 {main} thrown in /in/Mo2sV on line 12
Process exited with code 255.
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28
A::hello Fatal error: Uncaught Error: Undefined constant "y" in /in/Mo2sV:12 Stack trace: #0 {main} thrown in /in/Mo2sV on line 12
Process exited with code 255.
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
A::hello Warning: Use of undefined constant y - assumed 'y' (this will throw an Error in a future version of PHP) in /in/Mo2sV on line 12 Fatal error: Uncaught Error: Access to undeclared static property: A::$y in /in/Mo2sV:12 Stack trace: #0 {main} thrown in /in/Mo2sV on line 12
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33
A::hello Notice: Use of undefined constant y - assumed 'y' in /in/Mo2sV on line 12 Fatal error: Uncaught Error: Access to undeclared static property: A::$y in /in/Mo2sV:12 Stack trace: #0 {main} thrown in /in/Mo2sV on line 12
Process exited with code 255.
Output for 5.6.0 - 5.6.28
A::hello Notice: Use of undefined constant y - assumed 'y' in /in/Mo2sV on line 12 Fatal error: Access to undeclared static property: A::$y in /in/Mo2sV on line 12
Process exited with code 255.
Output for 5.5.0 - 5.5.38
Parse error: syntax error, unexpected '[' in /in/Mo2sV on line 12
Process exited with code 255.

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