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run code in 150+ php & hhvm versions
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<?php $i = '0'; echo (is_int($i))? 'int' : 'not int'; echo (is_numeric($i))? 'int' : 'not int';
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
not intint