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run code in 150+ php & hhvm versions
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<?php printf("%u\n",0xffffffff); printf("%d\n", (int)0xffffffff); var_dump( 0xffffffff); var_dump( 0xffffffff & 0xefffffff);
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
4294967295 4294967295 int(4294967295) int(4026531839)