Introduction: PHPSpreadsheet is a library written in PHP which helps to read from and write to different types of spreadsheet file formats with the help of a given set of classes. The various format which support spreadsheet are Excel(.xlsx), Open Document Format(.ods),SpreadsheetML(.xml), CSV and many more....

In PHP Spreadsheet, the date or time values are stored in an excel sheet in the form of timestamp which is a floating point value. So in order to store date/time in a human-readable format, need to calculate the correct excel timestamp and finally set a number format mask....

The setCellValue() function is an inbuilt function in PHPSpreadsheet which is used to set the value of a cell in a spreadsheet....

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

The setBgColor() function is an inbuilt function in PHP | Spreadsheet_Excel_Writer which is used to set the background color of the cell of the spreadsheet. In order to use this function use the setPattern function....

Introduction: Spreadsheet_Excel_Writer is a library written in PHP which helps to read from and write to different types of spreadsheet file formats with the help of given set of classes....

The setTextWrap() function is an inbuilt function in PHP | Spreadsheet_Excel_Writer which is used to set text wrapping for text in a spreadsheet....

The setFontFamily() function is an inbuilt function in PHP | Spreadsheet_Excel_Writer which is used to set the font family....

The addFormat() function is an inbuilt function in PHP | Spreadsheet_Excel_Writer which is used to set the format of a spreadsheet....

The close() function is an inbuilt function in PHP | Spreadsheet_Excel_Writer which is used to finalize the spreadsheet after which all the operations are done. This method should always be the last one to be called on every workbook....

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

The send() function is an inbuilt function in PHP | Spreadsheet_Excel_Writer which is used to send HTTP headers with the correct content-type (application/vnd.ms-excel), cache control and filename for the file....