phpでファイルをコピーした後にファイル名を変更するコード例

<?php
header("Content-type:text/html;charset=utf-8");
$file = 'test.txt';
$newfile = 'newtest.txt';
if(copy($file, $newfile)){
    echo 'File copied successfully!' ;
}else{
    echo 'File copy failed!' ;
}
? >

<?php 
header("Content-type: text/html; charset=utf-8"); 
// Copy the original file
 function recurse_copy($src,$des){
 	$dir = opendir($src);
 	mkdir($des);
 	while(($file=readdir($dir)) ! == false){
 		if ($file ! = '.' && $file ! = '...') {
 			if (is_dir($src.'/'. $file)) {
 				recurse_copy($src.'/'. $file,$des.'/'. $file);
 			}else{
 				copy($src.'/'. $file,$des.'/'. $file);
 			}
 
 		}
 	}
 	closedir($dir);
 }
 recurse_copy('. /img','. /header');
 // Rename the copied file and output it
$dir = '. /header';
$filename = scandir($dir);
$match = null;
 
foreach($filename as $k=>$v){
	if ($v!='.' && $v!='...') {
		$v = @iconv('GB2312','UTF-8',$v); 
		preg_match('/\d+\s*(. *).jpg/',$v,$match);
		// preg_match('/(. *).jpg/',$v,$match);
		// var_dump($v);
		if($v ! = false){
			$name = $match[1];
			// echo $dir.'/'. $v.'<br>';
			// echo ($k-1).' --'. $name.'<br>';
			$oldname = $dir.'/'. $v;
			$newname = $dir.'/'. ($k-1).' .jpg';
			// echo $newname.'---'. $oldname.'<br>';
			if (file_exists($newname)) {
				echo "Target file is saved";
				// return false;
			}else{
				// The default encoding of Chinese in WINDOW is GBK, so I've been getting errors modifying Chinese files.
				// rename($oldname,$newname);
				 rename(iconv('UTF-8','GBK',$oldname), iconv('UTF-8','GBK',$newname));
			}
				
		}
 
		echo '<img src="'. $newname.'"" alt="'. $name.'">';
	}
}
 
 ? >