What are common issues faced when using PEAR Spreadsheet_Excel_Writer in PHP for editing Excel files?

One common issue faced when using PEAR Spreadsheet_Excel_Writer in PHP for editing Excel files is the inability to set cell values containing leading zeros. To solve this issue, you can use the setFormatCode method to set the cell format as text, ensuring that leading zeros are preserved.

// Set cell format as text to preserve leading zeros
$format = $workbook->addFormat();
$format->setFormatCode('@');

// Set cell value with leading zeros
$worksheet->write(0, 0, '001', $format);