Online PHP editor | output for tMTs7

@ 2014-03-10T12:20:25Z

<?php
fgets(STDIN);
$numbers = explode(' ', rtrim(fgets(STDIN)));
$valuePerWife = array_sum($numbers) / 2;

// Taken from here: http://stackoverflow.com/a/13194803/603003
// Credits to dAngelov: http://stackoverflow.com/users/955185/dangelov
function pc_permute($items, $perms = array( )) {
    if (empty($items)) {
        $return = array($perms);
    }  else {
        $return = array();
        for ($i = count($items) - 1; $i >= 0; --$i) {
             $newitems = $items;
             $newperms = $perms;
         list($foo) = array_splice($newitems, $i, 1);
             array_unshift($newperms, $foo);
             $return = array_merge($return, pc_permute($newitems, $newperms));
         }
    }
    return $return;
}


foreach (pc_permute($numbers) as $permutation) {
    $sum = 0;
    $rest = [];

    for ($i=0; $i<count($permutation); $i++) {
        $sum += $permutation[$i];
        if ($sum == $valuePerWife) {
            $rest = array_slice($permutation, $i + 1);
            break;
        }
    }

    if (array_sum($rest) == $valuePerWife) {
        echo implode(' ', array_slice($permutation, 0, $i + 1)), "\n";
        echo implode(' ', array_slice($permutation, $i + 1)), "\n";
        echo 'diff=0';
        exit;
    }
}
exit('DIDNT FOUND ANY COMBINATION!');

Output for 8.3.0 - 8.3.7: Warning: array_sum(): Addition is not supported on type string in /in/tMTs7 on line 4 Fatal error: Uncaught TypeError: Unsupported operand types: int + string in /in/tMTs7:30 Stack trace: #0 {main} thrown in /in/tMTs7 on line 30
Process exited with code 255.
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19: Fatal error: Uncaught TypeError: Unsupported operand types: int + string in /in/tMTs7:30 Stack trace: #0 {main} thrown in /in/tMTs7 on line 30
Process exited with code 255.
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33: Warning: A non-numeric value encountered in /in/tMTs7 on line 30 diff=0
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33: diff=0
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29: Parse error: syntax error, unexpected '[' in /in/tMTs7 on line 27
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5: Parse error: parse error, unexpected '[' in /in/tMTs7 on line 27
Process exited with code 255.
Output for 4.3.2 - 4.3.4: Parse error: parse error in /in/tMTs7 on line 27
Process exited with code 255.

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