What should I do if php unlink cannot be deleted?

php unlink cannot be deleted because fclose is not executed. The solution is: first create a PHP sample file; then open the file through fopen; then close the file through "fclose($fp);"; and finally delete it through unlink Just file.

The operating environment of this article: windows7 system, PHP7.1 version, DELL G3 computer

php encountered the problem that unlink cannot delete files today

//打开文件
$fp = fopen(文件名路径,'r');
......
//注意关闭文件
fclose( $fp );
//再删除文件
unlink( 文件名路径 );

I forgot about fclose, so I never deleted the files, dizzy...

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