3v4l.org

run code in 300+ PHP versions simultaneously
<?php $obj = new stdClass(); $obj->bar = "xyz"; $data = ["foo" => "bar"]; $key = "foo"; echo $obj->{ $data[$key] },"\n"; echo $obj->{ ${'data'}[$key] },"\n"; echo "{$obj->{ $data[$key] }}\n"; echo "{$obj->{ ${'data'}[$key] }}\n"; echo "{$['obj']->{ ${'data'}[$key] }}\n";
Output for 7.0.0 - 7.0.1
Parse error: syntax error, unexpected '[', expecting variable (T_VARIABLE) or '{' or '$' in /in/DDWvp on line 11
Process exited with code 255.
Output for 5.5.24 - 5.5.30, 5.6.8 - 5.6.16
Parse error: syntax error, unexpected '[', expecting variable (T_VARIABLE) or '$' in /in/DDWvp on line 11
Process exited with code 255.
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