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Convert seconds to hh:mm:ss

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  1. function sec2hms ($sec, $padHours = false) {
  2.  
  3.     $hms = "";
  4.  
  5.     // there are 3600 seconds in an hour, so if we
  6.     // divide total seconds by 3600 and throw away
  7.     // the remainder, we've got the number of hours
  8.     $hours = intval(intval($sec) / 3600); 
  9.  
  10.     // add to $hms, with a leading 0 if asked for
  11.     $hms .= ($padHours) 
  12.           ? str_pad($hours, 2, "0", STR_PAD_LEFT). ':'
  13.           : $hours. ':';
  14.  
  15.     // dividing the total seconds by 60 will give us
  16.     // the number of minutes, but we're interested in 
  17.     // minutes past the hour: to get that, we need to 
  18.     // divide by 60 again and keep the remainder
  19.     $minutes = intval(($sec / 60) % 60); 
  20.  
  21.     // then add to $hms (with a leading 0 if needed)
  22.     $hms .= str_pad($minutes, 2, "0", STR_PAD_LEFT). ':';
  23.  
  24.     // seconds are simple - just divide the total
  25.     // seconds by 60 and keep the remainder
  26.     $seconds = intval($sec % 60); 
  27.  
  28.     // add to $hms, again with a leading 0 if needed
  29.     $hms .= str_pad($seconds, 2, "0", STR_PAD_LEFT);
  30.  
  31.     return $hms;
  32. }

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