3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo PHP_INT_SIZE . "\n"; function pickBitsFromInput($val, $amtBits, $arraySize) { $itrs = ceil($amtBits / 8); $results = array(); $ret = array(); for ($i = 0; $i < $itrs; $i++) { $val = hash('sha256', $val, true); $results = array_merge($results, unpack('L8', $val)); } for ($i = 0; $i < $amtBits; $i++) { $ret[] = $results[$i] % $arraySize; } return $ret; } var_dump(pickBitsFromInput('woohoo', 9, 1000000));
Output for 5.1.2 - 5.2.0, 5.2.10 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
8 array(9) { [0]=> int(909622) [1]=> int(769468) [2]=> int(351656) [3]=> int(627807) [4]=> int(415545) [5]=> int(633584) [6]=> int(421488) [7]=> int(151217) [8]=> int(321995) }
Output for 5.2.1 - 5.2.9
8 array(9) { [0]=> int(909622) [1]=> int(769468) [2]=> int(351656) [3]=> int(-339489) [4]=> int(415545) [5]=> int(-333712) [6]=> int(421488) [7]=> int(151217) [8]=> int(321995) }
Output for 5.0.5 - 5.1.1
8 Fatal error: Call to undefined function hash() in /in/IAZ1W on line 11
Process exited with code 255.
Output for 5.0.0 - 5.0.4
Notice: Use of undefined constant PHP_INT_SIZE - assumed 'PHP_INT_SIZE' in /in/IAZ1W on line 3 PHP_INT_SIZE Fatal error: Call to undefined function hash() in /in/IAZ1W on line 11
Process exited with code 255.
Output for 4.4.5 - 4.4.9
8 Fatal error: Call to undefined function: hash() in /in/IAZ1W on line 11
Process exited with code 255.
Output for 4.4.0 - 4.4.4
8 Fatal error: Call to undefined function: hash() in /in/IAZ1W on line 11
Process exited with code 255.
Output for 4.3.2 - 4.3.11
Notice: Use of undefined constant PHP_INT_SIZE - assumed 'PHP_INT_SIZE' in /in/IAZ1W on line 3 PHP_INT_SIZE Fatal error: Call to undefined function: hash() in /in/IAZ1W on line 11
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Notice: Use of undefined constant PHP_INT_SIZE - assumed 'PHP_INT_SIZE' in /in/IAZ1W on line 3 PHP_INT_SIZE Fatal error: Call to undefined function: hash() in /in/IAZ1W on line 11