php The fwrite() function is used to write files (safe for binary files).
php fwrite() function Syntax
Function: Write files (safe for binary files).
Syntax:
fwrite(file,string,length)
Parameters:
file Required. Specifies the open file to be written to.
string Required. Specifies the string to be written to the file.
length Optional. Specifies the maximum number of bytes to be written.
Description: fwrite() writes the contents of string to the file pointer file. If length is specified, writing will stop when length bytes have been written or when the string has been written, whichever situation is encountered first.
php fwrite() function example
<?php $file = fopen("./test.txt","w"); echo fwrite($file,"历经九九八十一难"); ?>
This article is an introduction to the PHP fwrite function. I hope it will be helpful to friends in need!
The above is the detailed content of How to use fwrite function. For more information, please follow other related articles on the PHP Chinese website!