X
HOME HTML CSS JAVASCRIPT SQL PHP JQUERY ANGULAR BOOTSTRAP XML ASP.NET MORE...
REFERENCES | EXAMPLES | FORUM | ABOUT

PHP fwrite() Function


PHP Filesystem Reference Complete PHP Filesystem Reference

Definition and Usage

The fwrite() writes to an open file.

The function will stop at the end of the file or when it reaches the specified length, whichever comes first.

This function returns the number of bytes written, or FALSE on failure.

Syntax

fwrite(file,string,length)

Parameter Description
file Required. Specifies the open file to write to
string Required. Specifies the string to write to the open file
length Optional. Specifies the maximum number of bytes to write


Tips and Notes

Tip: This function is binary-safe (meaning that both binary data, like images, and character data can be written with this function).


Example

<?php
$file = fopen("test.txt","w");
echo fwrite($file,"Hello World. Testing!");
fclose($file);
?>

The output of the code above will be:

21


PHP Filesystem Reference Complete PHP Filesystem Reference

Your suggestion:

Close [X]

Thank You For Helping Us!

Your message has been sent to W3Schools.

Close [X]
Search w3schools.com:

WEB HOSTING

UK Reseller Hosting

WEB BUILDING

Download XML Editor FREE Website BUILDER Free HTML5 Templates

SHARE THIS PAGE

facebook