How can i write data into an excel using PHP

Question

Is it possible to append content to an .xls file using PHP fwrite()?

When i try this using fwrite(), the resulting file causes an error message in Excel 2007.

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Answer 1

if you just want/need to create a very simple table, you just need to make a *.csv-file which can be opened by excel - but not: you can't use formulas in this and you can't do any kind of formatting.