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<?php $data = ["foo"=>"bar"]; $key = "foo"; $obj = new stdClass; $obj->bar = 'xyz'; echo "$obj->{${data[$key]}}\n"; echo "{$obj->{ ${'data'}[$key] }}\n"; echo "{$obj->{ ${data}[$key] }}\n";
Output for 7.4.0 - 7.4.33, 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: Uncaught Error: Object of class stdClass could not be converted to string in /in/EkvkY:6 Stack trace: #0 {main} thrown in /in/EkvkY on line 6
Process exited with code 255.
Output for 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33
Recoverable fatal error: Object of class stdClass could not be converted to string in /in/EkvkY on line 6
Process exited with code 255.
Output for 5.6.8 - 5.6.28, 7.0.0 - 7.0.20
Catchable fatal error: Object of class stdClass could not be converted to string in /in/EkvkY on line 6
Process exited with code 255.
Output for 5.5.24 - 5.5.35
Parse error: syntax error, unexpected '[' in /in/EkvkY on line 6
Process exited with code 255.

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