EasyXLS

FontSettings.inc

<?php
$FONTSETTINGS_UNDERLINE_STYLE_NONE = 0;
$FONTSETTINGS_UNDERLINE_STYLE_SINGLE = 1;
$FONTSETTINGS_UNDERLINE_STYLE_DOUBLE = 2;
$FONTSETTINGS_UNDERLINE_STYLE_SINGLE_ACCOUNTING = 33;
$FONTSETTINGS_UNDERLINE_STYLE_DOUBLE_ACCOUNTING = 34;
$FONTSETTINGS_HEADINGS_FONT = "HEADINGS";
$FONTSETTINGS_BODY_FONT = "BODY";
?>

EasyXLS Excel components:

.NET
Excel Library for PHP
full COM+ version to import, export or convert Excel files
Excel Writer for PHP
COM+ version to create and export Excel files
Download EasyXLS™ Excel Component for PHP

File formats:

Office 365
MS Excel 2021 - 2024
MS Excel 2007 - 2019
MS Excel 97 - 2003
XLSXXLSMXLSBXLS
XMLHTMLCSVTXT