PHP fwrite() Function
Definition and Usage
fwrite() function writes to a file (can be safely used for binary files).
Syntax
fwrite(the content of,string,length)
| Parameters | Description |
|---|---|
| the content of | Required. Specifies the file to write to. |
| string | Required. Specifies the string to write to the file. |
| length | Optional. Specifies the maximum number of bytes to write. |
Description
fwrite() writes string is written to the file pointer the content of If specified lengthwhen written at length bytes or the end of writing string From then on, writing will stop, depending on which condition is encountered first.
fwrite() returns the number of characters written, or false on error.
Example
<?php
$file = fopen("test.txt","w");
echo fwrite($file,"Hello World. Testing!");
fclose($file);
?>
Output:
21
