PHP | Spreadsheet_Excel_Writer | setUnderline() Function

The setUnderline() function is an inbuilt function in PHP | Spreadsheet_Excel_Writer which is used to set the underline of the text.

Syntax:

void Format::setUnderline( $underline )

Parameters: This function accepts single parameter $underline. The possible value of this parameter is 1 for single line and 2 for double line.



Return Value: This function returns TRUE on success and PEAR_ERROR on failure.

Example 1:

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<?php
require_once 'Spreadsheet/Excel/Writer.php';
  
// Add Workbook
$workbook = new Spreadsheet_Excel_Writer();
  
// Add Format to spreadsheet
$format_italic =& $workbook->addFormat();
  
// Set Underline
$format_italic->setUnderline(1);
  
// Add Worksheet to Sprerdsheet
$worksheet =& $workbook->addWorksheet();
  
// Write to Worksheet
$worksheet->write(0, 0, "Details of GeeksforGeeks 
                    Contributors", $format_italic);
$worksheet->write(1, 0, "Author", $format_italic);
$worksheet->write(1, 1, "User Handle", $format_italic);
$worksheet->write(2, 0, "Sarthak", $format_italic);
$worksheet->write(2, 1, "sarthak_ishu11", $format_italic);
  
// Send .xlsx file to header
$workbook->send('test.xls');
  
// Close Workbook Object
$workbook->close();
?>

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Output:

Example 2:

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<?php
require_once 'Spreadsheet/Excel/Writer.php';
  
// Create Spreadsheet_Excel_Writer Object
$workbook = new Spreadsheet_Excel_Writer();
  
// Add Worksheet
$worksheet =& $workbook->addWorksheet();
  
// Set Font Family Times New Roman 
$format_setUnderline =& $workbook->addFormat();
$format_setUnderline->setFontFamily('Times New Roman');
  
// Set Italic Property
$format_setUnderline->setItalic();
  
// Set Underline to text
$format_setUnderline->setUnderline(2);
  
// Write to Worksheet
$worksheet->write(0, 0, "Information");
$worksheet->write(1, 0, "Website Name", $format_setUnderline);
$worksheet->write(1, 1, "Address", $format_setUnderline);
$worksheet->write(2, 0, "GeeksforGeeks", $format_setUnderline);
$worksheet->write(2, 1, "https://www.geeksforgeeks.org/"
                                 $format_setUnderline);
$workbook->send('test.xls');
  
$workbook->close();
?> 

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Output:

Reference: https://pear.php.net/manual/en/package.fileformats.spreadsheet-excel-writer.spreadsheet-excel-writer-format.setunderline.php



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