PHP Write File

PHP fwrite() and fputs() functions are used to write data into file. To write data into file, you need to use w, r+, w+, x, x+, c or c+ mode.

PHP Write File - fwrite()

The PHP fwrite() function is used to write content of the string into file.

Syntax

snippet
int fwrite ( resource $handle , string $string [, int $length ] )

Example

snippet

Output: data.txt

Output
welcome to php file write

PHP Overwriting File

If you run the above code again, it will erase the previous data of the file and writes the new data. Let's see the code that writes only new data into data.txt file.

snippet

Output: data.txt

Output
hello

PHP Append to File

If you use a mode, it will not erase the data of the file. It will write the data at the end of the file. Visit the next page to see the example of appending data into file.

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