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run code in 150+ php & hhvm versions
Bugs & Features
<?php $value = 5; $value = decbin($value); var_dump($value); $value = str_split(strrev($value)); $bitValues = array(); foreach($value as $pos => $bit) { if (0 != $bit) { $bitValues[] = pow(2, $pos); } } var_dump($bitValues);
Output for 5.0.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
string(3) "101" array(2) { [0]=> int(1) [1]=> int(4) }
Output for 4.4.5 - 4.4.9
string(3) "101" Fatal error: Call to undefined function: str_split() in /in/qOn40 on line 8
Process exited with code 255.
Output for 4.3.2 - 4.4.4
string(3) "101" Fatal error: Call to undefined function: str_split() in /in/qOn40 on line 8
Process exited with code 255.
Output for 4.3.0 - 4.3.1
string(3) "101" Fatal error: Call to undefined function: str_split() in /in/qOn40 on line 8