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run code in 200+ php & hhvm versions
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<?php var_dump(PHP_INT_MAX + 1); var_dump("trakakaka " . PHP_INT_MAX + 1 . " xoxoxo");
based on nPNUU
Output for 7.1.0 - 7.2.0
float(9.2233720368548E+18) Warning: A non-numeric value encountered in /in/CjiuL on line 4 string(8) "1 xoxoxo"
Output for 5.3.20 - 7.0.20
float(9.2233720368548E+18) string(8) "1 xoxoxo"