How to delete image files in php

In PHP, you can use the unlink() function to delete image 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 delete image files.

Let’s take a look at the code example below.

<?php
header("Content-type:text/html;charset=utf-8");
$file = &#39;1.jpg&#39;;
if(file_exists($file)){
    if(unlink($file)){
        echo $file.&#39; 删除成功！&#39;;
    }else{
        echo $file.&#39; 删除失败！&#39;;
    }
}else{
    echo $file.&#39; 不存在！&#39;;
}
?>

will delete the 1.jpg image file in the root directory and return the following content:

1.jpg删除成功！

After refreshing, the output will be:

1.jpg 不存在！

Description:

unlink() function can delete the specified file. It returns TRUE when the function is executed successfully, and FALSE when it fails. The syntax format is as follows

unlink(filename,context)

Parameter	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.

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