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<?php $b = 10; $f = function() use ($b) { return $x = function($b) { return $b; }; }; var_dump( $f{(1)()});
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
Fatal error: Array and string offset access syntax with curly braces is no longer supported in /in/TFeGV on line 7
Process exited with code 255.
Output for 7.4.0 - 7.4.25, 7.4.27 - 7.4.33
Deprecated: Array and string offset access syntax with curly braces is deprecated in /in/TFeGV on line 7 Fatal error: Uncaught Error: Function name must be a string in /in/TFeGV:7 Stack trace: #0 {main} thrown in /in/TFeGV on line 7
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 - 7.3.33, 7.4.26
Fatal error: Uncaught Error: Function name must be a string in /in/TFeGV:7 Stack trace: #0 {main} thrown in /in/TFeGV on line 7
Process exited with code 255.
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.21
Parse error: syntax error, unexpected '(' in /in/TFeGV on line 7
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/TFeGV on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION in /in/TFeGV on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/TFeGV on line 3
Process exited with code 255.

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