PHP Write File

Writing data in a file is another common feature of file handling. In PHP, there are various modes that facilitates different ways and features of writing data into a file, including: w, r+, w+, x, x+, c or c+ mode. PHP also supports some functions to write to a file.

PHP Write File functions are:

PHP fwrite()
PHP fputs()

PHP fwrite() function:

To write a file in PHP, fwrite() function is used.

Syntax:

int fwrite ( resource $filename , string $string )

Filename: This parameter represents the name of the file to write to.
String: This parameter represents the string to be written.

Example:

<!DOCTYPE html>
<html>
<body>
 
<?php
$samplefile = fopen("phpfile.txt", "w");  
fwrite($samplefile, "Hello PHP!");  
 
$samplefile = fopen("phpfile.txt", "r");
echo fread($samplefile, filesize("phpfile.txt"));
fclose($samplefile);
?>
 
</body>
</html>

Output

Hello PHP!

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