php - Read Excel Data (Rich Excel Data) -

i want read data form excel file , show in html. know there several libraries phpexcel, php-exelreader so.

but, want keep format in excel file.
example :

−19×10⁻¹⁷ j should parsed −19&times;10<sup>−17</sup> j and
m₁r₁ : m₂r₂ m<sub>1</sub>r<sub>1</sub> : m<sub>2</sub>r<sub>2</sub>.

is there library so? have googled did not solution this. please recommend libraries or tutorial task.

any highly appreciated.

update - want store data in database.

got solution. it's phpexcel.

while fetching values cells, did following.

$value = $cell->getvalue(); if($value instanceof phpexcel_richtext) {     $cellvalueasstring = '';     $elements = $value->getrichtextelements();     foreach ($elements $element)     {         if ($element instanceof phpexcel_richtext_run)          {             if ($element->getfont()->getsuperscript())              {                 $cellvalueasstring .= '<sup>';             }              else if ($element->getfont()->getsubscript())              {                 $cellvalueasstring .= '<sub>';             }         }          $celltext = $element->gettext();         $cellvalueasstring .= htmlspecialchars($celltext);         if ($element instanceof phpexcel_richtext_run)          {             if ($element->getfont()->getsuperscript())              {                 $cellvalueasstring .= '</sup>';             }              else if ($element->getfont()->getsubscript())              {                 $cellvalueasstring .= '</sub>';             }         }     }      $value = $cellvalueasstring; }