lj11

I thought about that, but I think there is a faster way to do it., thx

if I have: <?php $cell=array(0=>array('r1','c1','b1'),1=>array('r1','c2','b1'),2=>array('r1','c2','b2')) ?> is there a way to call for all the keys who's array contains a value 'c2'?

I coded this long long script that solves the soduku puzzle from puzz.txt. but every time I run it, it resets the server. If you have any time, could you please loook over my code and help me figure out what went wrong? ??? ??? ??? :-X solver.php: <?php $filename = "puzz.txt"; // open puzzle $handle = fopen($filename, "r"); $contents = fread($handle, filesize($filename)-1); fclose($handle); $cell = array(); $cell = explode(',', $contents); // make puzzle into $cell array $cellgroups = array ( // group cells by: "r1"=>array(0,1,2,3,4,5,6,7,, // rows "r2"=>array(9,10,11,12,13,14,15,16,17), "r3"=>array(18,19,20,21,22,23,24,25,26), "r4"=>array(27,28,29,30,31,32,33,34,35), "r5"=>array(36,37,38,39,40,41,42,43,44), "r6"=>array(45,46,47,48,49,50,51,52,53), "r7"=>array(54,55,56,57,58,59,60,61,62), "r8"=>array(63,64,65,66,67,68,69,70,71), "r9"=>array(72,73,74,75,76,77,78,79,80), "c1"=>array(0,9,18,27,36,45,54,63,72), // columns "c2"=>array(1,10,19,28,37,46,55,64,73), "c3"=>array(2,11,20,29,38,47,56,65,74), "c4"=>array(3,12,21,30,39,48,57,66,75), "c5"=>array(4,13,22,31,40,49,58,67,76), "c6"=>array(5,14,23,32,41,50,59,68,77), "c7"=>array(6,15,24,33,42,51,60,69,78), "c8"=>array(7,16,25,34,43,52,61,70,79), "c9"=>array(8,17,26,35,44,53,62,71,80), "b1"=>array(0,1,2,9,10,11,18,19,20), // blocks "b2"=>array(27,28,29,36,37,38,45,46,47), "b3"=>array(54,55,56,63,64,65,72,73,74), "b4"=>array(3,4,5,12,13,14,21,22,23), "b5"=>array(30,31,32,39,40,41,48,49,50), "b6"=>array(57,58,59,66,67,68,75,76,77), "b7"=>array(6,7,8,15,16,17,24,25,26), "b8"=>array(33,34,35,42,43,44,51,52,53), "b9"=>array(60,61,62,69,70,71,78,79,80), ); foreach ($cell as $key => $value) { if ($cell[$key] == null) { $cell[$key] = array(1,2,3,4,5,6,7,8,9); // make empty cells an array from 1-9 } } checkNine('r', 1); // begins the logic process function checkNine($type, $spot) { global $cell, $cellgroups; $taken=array(); $takenpairs=array(); $pairs=array(); $setnum=$type.$spot; $thisNine; foreach ($cellgroups[$setnum] as $o => $n) { if (($type == 'c') || ($type == 'b')) { global $thisNine; $thisNine = $cellgroups[$setnum]; } if ((count($cell[$n])) == 1) { $taken[]=$n; } else if ((count($cell[$n])) == 2) { if ((count($pairs) != 0)) { foreach($pairs as $c => $p) { if ((count(array_diff($cell[$n],$pairs[$c])) == 0)) { $taken[]=$cell[$n][0]; $taken[]=$cell[$n][1]; $taken=array_unique($taken); $takenpairs[$n]=array(($cell[$n][0]),($cell[$n][1])); } else { $pairs[$n]=array(($cell[$n][0]),($cell[$n][1])); } unset($c, $p); } } else { $pairs[$n]=array(($cell[$n][0]),($cell[$n][1])); } } else { continue; } unset($o, $n); } foreach ($cellgroups[$setnum] as $o => $n) { global $cell, $cellgroups, $thisNine; if ((count($cell[$n])) == 1) { continue; } else if ((count($cell[$n])) == 2) { if ((count($takenpairs)) != 0) { foreach ($takenpairs as $c => $p) { if ((count(array_diff($cell[$n],$takenpairs[$c])) == 0)) { continue; } else { $cell[$n] = array_diff($cell[$n], $taken); $cell[$n] = array_values($cell[$n]); } unset($c, $p); } } else { $cell[$n] = array_diff($cell[$n], $taken); $cell[$n] = array_values($cell[$n]); } } else { $cell[$n] = array_diff($cell[$n], $taken); $cell[$n] = array_values($cell[$n]); } if (($type == 'c') || ($type == 'b')) { if (count(array_diff($cellgroups[$setnum],$thisNine)) != 0) { unsetVars(); $type = 'r'; $spot = 1; unset($thisNine); checkNine($type, $spot); } else { unset($thisNine); } } unset($o, $n); } unsetVars(); if ($spot < { $spot++; checkNine($type, $spot); } else if ($type = 'r') { $type = 'c'; $spot = 1; checkNine($type, $spot); } else if ($type = 'c') { $type = 'b'; $spot = 1; checkNine($type, $spot); } else if ($type = 'b') { outputFin(); } } function unsetVars() { unset($taken); unset($takenpairs); unset($pairs); unset($setnum); return; } function outputFin() { print_r ($cell); stop(); } here's puzz.txt, the puzzle solver.php tries to solve: 4,,7,,3,,,1,,,,1,7,,4,,,,6,,,8,,1,,,4,,7,,3,4,,8,9,,,9,4,,,,2,6,,,3,2,,1,6,,4,,2,,,1,,7,,,9,,,,4,,3,6,,,,4,,,9,,1,,8e

WOWO that was simple, thanks for the help!

sorry, yeah $cells=array("r4"=>array(1,2,3,4,5,"pie"),"r5"=>5); $row=5; $type="r"; $rownum=$type.$row; print_r ($cells); $cells[$rownum][] = 7; print_r ($cells);

I am trying to add a value to $cells[r2] array: <?php $cells=array("r1=>array("A","B"), "r2"=>array(1, 2, 3, 4)); print_r (cells['r2']); $cells['r2'][]=5; \\ <---- THIS IS WHATS WRONG?? print_r (cells['r2']); ?> I run this, but always get: Array ( [r1] => Array ( [0] => A [1] => B ) [r2] => [0] => 1 [1] => 2 [2] => 3 [3] => 4 ) Warning: Cannot use a scalar value as an array in ... on line 3 Array ( [r1] => Array ( [0] => A [1] => B ) [r2] => [0] => 1 [1] => 2 [2] => 3 [3] => 4 ) plz help ???

THANKYOU ALL SO MUCH!! :D ;D

if I have an array that looks like this: $taken=array(3,6,5,2,4); how do i create an array that has all numbers from 1 to 9 in it that are not any of the values in the $taken array? I guess it impossible, thanks anyway