PHP file_put_contents() Function
 Complete PHP Filesystem Reference
Definition and Usage
The file_put_contents() writes a string to a file.
This function follows these rules when accessing a file:
- If FILE_USE_INCLUDE_PATH is set, check the include path for a copy of
*filename*
- Create the file if it does not exist
- Open the file
- Lock the file if LOCK_EX is set
- If FILE_APPEND is set, move to the end of the file. Otherwise, clear the
file content
- Write the data into the file
- Close the file and release any locks
This function returns the number of character written into the file on
success, or FALSE on failure.
Syntax
file_put_contents(file,data,mode,context)
|
| Parameter |
Description |
| file |
Required. Specifies the file to write to. If the file
does not exist, this function will create one |
| data |
Required. The data to write to the file. Can be a string,
an array or a data stream |
| mode |
Optional. Specifies how to open/write to the file. Possible
values:
- FILE_USE_INCLUDE_PATH
- FILE_APPEND
- LOCK_EX
|
| context |
Optional. Specifies the context of the file handle. Context
is a set of options that can modify the behavior of a stream. |
Tips and Notes
Note: Use FILE_APPEND to avoid deleting the existing content of the
file.
Example
<?php
echo file_put_contents("test.txt","Hello World. Testing!");
?>
|
The output of the code above will be:
Complete PHP Filesystem Reference
Learn how your website performs under various load conditions
 |
|
WAPT
is a load, stress and performance testing tool for websites and web-based applications.
In contrast to "800-pound gorilla" load testing tools, it is designed to minimize the learning
curve and give you an ability to create a heavy load from a regular workstation.
WAPT is able to generate up to 3000 simultaneously acting virtual users using standard hardware configuration.
Virtual users in each profile are fully customizable. Basic and NTLM authentication methods are supported.
Graphs and reports are shown in real-time at different levels of detail, thus helping to manage the testing process.
Download the free 30-day trial!
|
|
