Online PHP editor | output for MqPtG

@ 2014-06-26T07:38:04Z

<?php

function invChangeN($pattern, $inversion)
{
   $junc = array_slice(['r', '3', '5', '7'], 0, count($pattern));
   $pos  = [
      'r' => [ 1, 7, 14],
      '3' => [-3, 5, 14],
      '5' => [ 3, 5, 10],
      '7' => [-1, 7, 10]
   ];
   $inversion -= 2;
   $modScale   = [];
   foreach ($pattern as $p => $f)
   {
      $p += ($pos[$f][0]*pow($inversion,2) + $pos[$f][1]*$inversion + $pos[$f][2])/2;
      $j  = $junc[(array_search($f, $junc)+$inversion+2)%count($junc)];
      $modScale[$p] = $j; 
   }
   return $modScale;
}

var_dump(invChangeN([1=>"r",28=>"5",77=>"3"], 1));

Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.37, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6: array(3) { [5]=> string(1) "3" [32]=> string(1) "r" [80]=> string(1) "5" }
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 '[', expecting ')' in /in/MqPtG on line 5
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 '[', expecting ')' in /in/MqPtG on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4: Parse error: parse error, expecting `')'' in /in/MqPtG on line 5
Process exited with code 255.

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