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run code in 150+ php & hhvm versions
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<?php $value = 4294967295; echo 'value is int: ' . (($value >> 32 - 1) & 1) . '<br>'; $value = '4294967295'; echo 'value is string: ' . (($value >> 32 - 1) & 1); //OUTPUT
Output for 4.3.0 - 5.0.5, 5.1.1 - 5.6.21, hhvm-3.12.0, 7.0.0 - 7.1.0
value is int: 1<br>value is string: 1
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.1.0
Fatal error: fatal flex scanner internal error--end of buffer missed in /in/Hlt2J on line 5
Process exited with code 255.