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run code in 150+ php & hhvm versions
Bugs & Features
<?php function show($v) { echo "$v\n"; } for($i = 0; $i < 1000; $i++) { if (pow(2, $i) !== 1 << $i) { var_dump($i); break; } }
Output for 4.3.6 - 7.1.0
int(63)
Output for 4.3.0 - 4.3.5
int(64)