Home >Backend Development >PHP Problem >How to force delete files in php
In PHP, you can use the unlink() function to forcefully delete files. This function can delete the specified file. It returns TRUE when the function is executed successfully, and FALSE when it fails; the syntax format is "unlink(filename,context) ".
The operating environment of this tutorial: windows7 system, PHP7.1 version, DELL G3 computer
In php, you can use unlink () function to force file deletion.
unlink() function can delete the specified file. It returns TRUE when the function is successfully executed and FALSE when it fails. The syntax format is as follows:
unlink(filename,context)
| Parameters | Description |
|---|---|
| filename | Required. Specifies the files to be deleted. |
| context | Optional. Specifies the environment for a file handle. context is a set of options that can modify the behavior of the stream. |
Example: Use the unlink() function to delete the specified file
<?php
$file = 'newtest.txt';
if(file_exists($file)){
if(unlink($file)){
echo $file.' 删除成功！';
}else{
echo $file.' 删除失败！';
}
}else{
echo $file.' 不存在！';
}
?>Running the above code will delete the newtest.txt file in the root directory and return The following content:
newtest.txt 删除成功！
Recommended learning: "PHP Video Tutorial"
The above is the detailed content of How to force delete files in php. For more information, please follow other related articles on the PHP Chinese website!