Phpexcel validate file type

How can i edit the existing excel file using php. How do I download only filtered data in excel format using PHP? How to upload file using php. Validate excel worksheets. Layout: fixed fluid. Web01 2. Strip HTML. Encode HTML. Paste as-is. Code block. Quoted Text. Best guess. Optional Password. Chris Copeland. View Excel file. Related sections How to add data validation to Excel cells? See also How to export Excel formulas?

How to export to XLSX file? How to export to XLSM file? How to export to XLSB file? How to export to XLS file? By using this functionality user can easily transfer excel data to Mysql database table using PHP. In post user can easily read excel sheet data and insert into mysql database table and show on webpage. This functionality is mainly used in enterprise level application and even small application we can use this type of functionality.

I hope you will enjoy this post. Over their make a new file index. Preview of excel file which we need to move that data into sql database. We need to connect Database server to index.

We need to include PHPExcel file into index. In Microsoft Office Excel, the above operation would correspond to selecting the cells B2:G8, launching the style dialog, choosing a thick red border, and clicking on the "Outline" border component.

Note that the border outline is applied to the rectangular selection B2:G8 as a whole, not on each cell individually. You can achieve any border effect by using just the 5 basic borders and operating on a single cell at a time:. Additional shortcut borders come in handy like in the example above. These are the shortcut borders available:. If you simultaneously set e. This border hierarchy can be utilized to achieve various effects in an easy manner. A cell can be formatted conditionally, based on a specific rule.

For example, one can set the foreground colour of a cell to red if its value is below zero, and to green if its value is zero or more. To add a comment to a cell, use the following code. The example below adds a comment to cell E Make sure that you always include the complete filter range! Make sure you enable worksheet protection if you need any of the worksheet protection features! Data validation is a powerful feature of Excel It allows to specify an input filter on the data that can be inserted in a specific cell.

This filter can be a range i. The following piece of code only allows an item picked from a list of data to be entered in cell B If you want PHPExcel to perform an automatic width calculation, use the following code. PHPExcel will approximate the column with to the width of the widest column value. The first line explicitly shows the column C, the second line hides column D. You can also collapse the column. Note that you should also set the column invisible, otherwise the collapse will not be visible in Excel You can instruct PHPExcel to add a summary to the right default , or to the left.

The following code adds the summary to the left:. The following example hides row number You can also collapse the row. Note that you should also set the row invisible, otherwise the collapse will not be visible in Excel You can instruct PHPExcel to add a summary below the collapsible rows default , or above. The following code adds the summary above:. If you have a big piece of data you want to display in a worksheet, you can merge two or more cells together, to become one cell.

This can be done using the following code:. The following code inserts 2 new rows, right before row A drawing is always represented as a separate object, which can be added to a worksheet. To add the above drawing to the worksheet, use the following snippet of code. PHPExcel creates the link between the drawing and the worksheet:. Optionally, a fourth parameter can be passed defining the named range local i.

Named ranges are global by default. There are some easy steps that can be followed to do this:. This may not be safe for unauthorized viewing! Depending on the configuration of your operating system, temporary storage can be read by anyone using the same temporary storage folder.

There might be a situation where you want to generate an in-memory image using GD and add it to a PHPExcel worksheet without first having to save this file to a temporary location. As PHPExcel represents an in-memory spreadsheet, it also offers formula calculation capabilities. A cell can be of a value type containing a number or text , or a formula type containing a formula which can be evaluated. If you write the following line of code in the invoice demo included with PHPExcel, it evaluates to the value "64":.

Here's an example:. Now, when I write the following line of code, two new product lines are added:. Did you notice? Also, the inserted cells duplicate style information of the previous cell, just like Excel's behaviour. Note that you can both insert rows and columns.

There are some known limitations to the PHPExcel calculation engine. Most of them are due to the fact that an Excel formula is converted into PHP code before being executed. The former rule is not what one finds using the calculation engine shipped with PHPExcel. Formulas involving numbers and text may produce unexpected results or even unreadable file contents.

This also causes the Excel document being generated as containing unreadable content. As you already know from part Readers and writers Readers and writers, reading and writing to a persisted storage is not possible using the base PHPExcel classes. All examples underneath demonstrate the direct creation method.

There are 2 methods for reading in a file into PHPExcel: using automatic file type resolving or explicitly. If you need to set some properties on the reader, e.

Excel file format is the main file format of PHPExcel. It allows outputting the in-memory spreadsheet to a. You can set the option setReadDataOnly on the reader, to instruct the reader to ignore styling, data validation, … and just read cell data:. You can set the option setLoadSheetsOnly on the reader, to instruct the reader to only load the sheets with a given name:.

You can set the option setReadFilter on the reader, to instruct the reader to only load the cells which match a given rule. By default, this writer pre-calculates all formulas in the spreadsheet.

This can be slow on large spreadsheets, and maybe even unwanted. You can however disable formula pre-calculation:.