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add leading zeros

/ Published in: PHP
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This PHP code snippet checks each integer in an array. If necessary, one or more leading zeros are added to an integer. Note that each integer becomes a string.

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  1. /* EXAMPLE
  2.  
  3. print_r(add_leading_zeros(range(1,100)));
  4.  
  5. */
  6.  
  7. function add_leading_zeros($array) {
  8.  
  9. 	foreach($array as $key=>$value) $array[$key] = str_pad($value,strlen(max($array)),'0',STR_PAD_LEFT);
  10.  
  11. 	return $array;
  12. }

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