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PHP Convert Single Dimensional Array to Two Dimensional

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Function to convert a one dimensional array to two dimensional with option to specify how many columns. Returns two dimensional array on success or false on fail.

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  1. <?php
  2. $test = array(1,2,3,4,5,6,7,8,9);
  3.  
  4. function array_2d($array, $col_count=2){
  5. 	$result = false;
  6. 	if(!empty($array) && is_array($array)){
  7. 		$row_count = ceil( count($array) / $col_count);
  8. 		$pointer = 0;
  9. 		for($row=0; $row < $row_count; $row++) {
  10. 			for($col=0; $col < $col_count; ++$col){
  11. 				if(isset($array[$pointer])) {
  12. 					$result[$row][$col] = $array[$pointer];
  13. 					$pointer++;
  14. 				}
  15. 			}
  16. 		}
  17. 	}
  18. 	return $result;
  19. }
  20. $result = array_2d($test, 3);
  21. echo '<pre>'.print_r($result, 1).'</pre>';
  22. ?>

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