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run code in 200+ php & hhvm versions
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<?php $numArray = number_list($input); $prime = 2; $count = 0; while ($prime <= $input) { foreach ($numArray as $key => $num) { if (($num !== $prime) && ($num % $prime === 0)) { unset($numArray[$key]); } } $count++; $prime = $numArray[$count]; }
Output for 7.0.0 - 7.2.0
Fatal error: Uncaught Error: Call to undefined function number_list() in /in/lYkO1:2 Stack trace: #0 {main} thrown in /in/lYkO1 on line 2
Process exited with code 255.
Output for 5.3.19 - 5.6.28
Fatal error: Call to undefined function number_list() in /in/lYkO1 on line 2
Process exited with code 255.