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run code in 300+ PHP versions simultaneously
<?hh $x = 4; $y = Map {1=>2}; var_dump((array)$x); var_dump((array)$y);
Output for 5.4.0 - 5.4.32, 7.2.29 - 7.2.33, 7.3.16 - 7.3.31, 7.4.3 - 7.4.32, 8.0.0 - 8.0.12, 8.0.14 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
<?hh $x = 4; $y = Map {1=>2}; var_dump((array)$x); var_dump((array)$y);
Output for 8.0.13
Parse error: syntax error, unexpected variable "$x" in /in/cBQpa on line 2
Process exited with code 255.
Output for 7.3.32 - 7.3.33, 7.4.33
Parse error: syntax error, unexpected '$x' (T_VARIABLE) in /in/cBQpa on line 2
Process exited with code 255.

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