3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $value = PHP_INT_MAX; $highMap = 0xffffffff00000000; $lowMap = 0x00000000ffffffff; $higher = ($value & $highMap) >>32; $lower = $value & $lowMap; $packed = pack('NN', $higher, $lower); list($higher, $lower) = array_values(unpack('N2', $packed)); $originalValue = $higher << 32 | $lower;
Output for 4.4.0 - 4.4.9, 5.0.5 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
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/R2rXv on line 2