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run code in 200+ php & hhvm versions
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<?php var_dump('0x1234Ab' == '1193131'); var_dump(dechex(1193131));
Output for hhvm-3.10.1 - 3.22.0, 7.0.0 - 7.3.0rc4
bool(false) string(6) "1234ab"
Output for 4.3.0 - 5.6.30
bool(true) string(6) "1234ab"