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run code in 300+ PHP versions simultaneously
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Output for git.master, git.master_jit, rfc.property-hooks
\w without the \u flag should result in int(0) in all PHP versions int(0) \w with the \u flag used to result in int(1) in PHP <7.3! int(1) \pL instead of \w used to result in int(1) in all PHP versions int(1)

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