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run code in 150+ php & hhvm versions
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<?php mt_srand(11834); print mt_rand()."\n"; print mt_rand();
Output for 7.1.0
1751305109 1745628303
Output for 5.2.1 - 7.0.14
388579043 390584825
Output for 4.3.0 - 5.2.0
411984403 2066622105