PHP递归和非递归遍历文件夹下文件

function readDirFiles($dir){

$files= [];

$queue=[realpath($dir)];

$currentPath = current($queue);

while($currentPath) {

$path = $currentPath;

if (is_dir($path) && $handle = opendir($path)) {

while ($file = readdir($handle)) {

if ($file == '.' || $file == '..') continue;

$filepath = $path . '/' . $file;

if (is_dir($filepath)) {

$queue[] = $filepath;

}else {

$files[] = $filepath;

}

}

closedir($handle);

}

$currentPath = next($queue);

}

return $files;

}

print_r($readDirFiles('./'));exit;

function readDirFiles2($path,&$files = []){

if (is_dir($path) && $handle = opendir($path)) {

while ($file = readdir($handle)) {

// if(strpos($file,'.') === 0) {

// continue;

// }

if ($file == '.' || $file == '..') continue;

$filePath = $path . '/' . $file;

if (is_dir($filePath)) {

readDirFiles2($filePath,$files);

}else {

$files[] = $filePath;

}

}

closedir($handle);

}

return $files;

}

readDirFiles2('./',$paths);

print_r($paths);exit;

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