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run code in 300+ PHP versions simultaneously
<?php ini_set('session.hash_function','sha512'); session_start(); $orig = session_id(); session_regenerate_id(); $new = session_id(); var_dump($orig,$new);
Output for git.master
string(32) "aff50610ec21946a50025df2c1f5dcb8" string(32) "94859bebce28f8b6380a10fdb9756f53"
Output for git.master_jit
string(32) "b8570f965ba9b60e039c9cc3be1501e5" string(32) "eff55c1fc5d1b2b17b4556cbef2f134a"
Output for rfc.property-hooks
string(32) "a89e5a2436044d3e77bd5594a4ff2371" string(32) "9298c6c4ae35d2b76b89d4b45a810b1a"

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