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File Append
If you want to append to a file, that is, add on to the existing data, then you need to open the file in append mode. File Open:
Append If we want to add on to a file we need to open it up in append "a" mode. The code below does just that. PHP Code: $myFile
= "testFile.txt"; $fh = fopen($myfile, 'a'); If we were to write to the file it would begin writing data at the end of the file. File
Write: Appending Data Study the example shown below:- PHP Code: $myFile = "testFile.txt"; $fh = fopen($myFile, 'a') or die("can't open file"); $stringData = "New Stuff 1\n"; fwrite($fh, $stringData); $stringData = "New Stuff 2\n"; fwrite($fh, $stringData); fclose($fh); The contents of the file testFile.txt would now look like this: Contents
of the testFile.txt File: Floppy
Jalopy
Pointy Pinto New Stuff 1 New Stuff 2 Append: Why Use It
Appending data onto a file is actually used everyday. For example nearly all web servers have a log of some sort. These various logs keep track of all kinds of information, such as: errors, visitors, and even files that are installed on the machine. A log is basically used to document events that occur over a period of time, rather than all at once. Logs file is a perfect use for append. Note |
