What is the method to delete files in a directory in php

The method for PHP to delete files in a directory is: first use the scandir function to traverse all files in a directory and return an array; then use the unlink function and rmdir function to delete files and empty folders respectively.

Goal:

Use PHP to traverse all directories and files in a directory and delete the directory and all subdirectories under it. and documents.

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Function used:

scandir($path) Traverses all files in a directory and returns an array .

unlink($filename) Delete the file.

rmdir($path) only deletes empty folders.

Example:

/**
 * 删除当前目录及其目录下的所有目录和文件
 * @param string $path 待删除的目录
 * @note  $path路径结尾不要有斜杠/(例如:正确[$path='./static/image'],错误[$path='./static/image/'])
 */
function deleteDir($path) {
	if (is_dir($path)) {
		//扫描一个目录内的所有目录和文件并返回数组
		$dirs = scandir($path);
		foreach ($dirs as $dir) {
			//排除目录中的当前目录(.)和上一级目录(..)
			if ($dir != '.' && $dir != '..') {
				//如果是目录则递归子目录，继续操作
				$sonDir = $path.'/'.$dir;
				if (is_dir($sonDir)) {
					//递归删除
					deleteDir($sonDir);
					//目录内的子目录和文件删除后删除空目录
					@rmdir($sonDir);
				} else {
					//如果是文件直接删除
					@unlink($sonDir);
				}
			}
		}
		@rmdir($path);
	}
}

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