Writing into a file in php

How to write in to file using php?


For testing purpose we have a file ./test1.txt with read, write permissions
Step 1:
We will open a stream (connection) with the file using the php method or function fopen('filename','type')
Example: $open = fopen("./test1.txt", "w");
The method fopen takes two arguments, first the file name and second argument that determines the file opening mode. To write in to a file it should be 'w'.
- This method will create a new file if file does not exist.
- It will overwrite the contents in the file if it exists
Step 2:
Now we can write in to the file using the method fwrite()
Example: fwrite($open, "Any thing to be written");
This method takes two arguments. First the stream to file obtained as in step1. Second the content to be written. We can call as many write statements as required before closing the stream.
Step 3:
After writing in the file we can close the stream opened on the file using the function fclose()
Example: fclose($open);
The function fclose() takes the stream to be closed as an argument and closes the stream.
Example Code:
$file = "./test1.txt";
$open = fopen($file, "w");
fwrite($open,"Hai this is test message");

The Result : view the file test1.txt
Note: For writing in (next) new lines use n.
Example: "Test n Message" will be written as

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