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run code in 300+ PHP versions simultaneously
<?php ${'petsound'}["cat"] = "meow"; var_dump($petsound); $petsound{"dog"} = "bark"; var_dump($petsound);
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/1JKX2 on line 5
Process exited with code 255.
Output for 7.4.0 - 7.4.33
Deprecated: Array and string offset access syntax with curly braces is deprecated in /in/1JKX2 on line 5 array(1) { ["cat"]=> string(4) "meow" } array(2) { ["cat"]=> string(4) "meow" ["dog"]=> string(4) "bark" }
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33
array(1) { ["cat"]=> string(4) "meow" } array(2) { ["cat"]=> string(4) "meow" ["dog"]=> string(4) "bark" }

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226.88 ms | 405 KiB | 310 Q