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run code in 300+ PHP versions simultaneously
<?php $array[something] = "Something is not a string. It's a constant. But because it's not found, PHP will assume you meant a string."; //And if you error reporting is off, you'll never know.
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught Error: Undefined constant "something" in /in/0CXk3:3 Stack trace: #0 {main} thrown in /in/0CXk3 on line 3
Process exited with code 255.

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