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<?php var_dump(0e540853622400160407992788832284); var_dump('0x1234Ab' == '1193131'); var_dump(dechex(1193131));
based on K3ljr
Output for 7.0.0 - 7.2.0
float(0) bool(false) string(6) "1234ab"
Output for 4.3.0 - 5.6.28
float(0) bool(true) string(6) "1234ab"