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Output for 4.4.0 - 4.4.9, 5.0.5 - 5.5.14, php7@20140507 - p7@20140701, hhvm-3.0.1 - 3.1.0
float(9.2233720368548E+18)
Output for 4.3.0 - 4.3.11, 5.0.0 - 5.0.4
Notice: Use of undefined constant PHP_INT_MAX - assumed 'PHP_INT_MAX' in /in/P0dHm on line 3 string(11) "PHP_INT_MAY"