Home >Backend Development >PHP Tutorial >How to copy and move files in php, _PHP tutorial
The example in this article describes the method of copying and moving files in php. Share it with everyone for your reference. The details are as follows:
A simple example of imitating elFinder and extracting key member methods
The implemented function is:
Realize multiple file copy or move operations
Note: In order to facilitate testing, some judgments have been simplified. And it will be in the directory where the program file is located
Create a new test folder as the destination folder. Modification is required if actual use is required.
The copy.php file is as follows:
<?php /** * 复制/移动操作简单示例 : >PHP5 * */ /** * 判断文件是否存在 * */ function _isFind($filename) { return @file_exists($filename); } /** * 判断文件夹是否存在? 简单处理: 仅对根目录进行判断 * */ function _isFindDir($dir) { $ls = scandir(dirname(__FILE__)); foreach ($ls as $val) { if ($val == $dir) return TRUE; } return FALSE; } /** * 复制或移动 * * @param array 源文件夹数组: 简单处理:采用文件名作为元素值 * @param string 目的文件夹 * @param string 操作数: move - 移动 ; copy - 复制 * @return bool */ function _copy_move($src = array(), $dst = '', $op = 'move') { if ( ! is_array($src)) { $src = array($src); } //判断源文件是否存在? foreach ($src as $val) { if ( _isFind($val) === FALSE) { return _log('Src file not find', $val); } } //判断目的文件夹是否存在? 如果不存在就生成 //简单处理: 实际应用需要修改 if (_isFindDir($dst) === FALSE) { @mkdir($dst); } //执行移动或复制操作 foreach ($src as $val) { $_dst = $dst.'/'.basename($val); //判断目的文件是否存在? 存在不允许进行操作 if (_isFind($_dst) === TRUE) { return _log('Dst file is exists', $dst); } else if (strpos($dst, $val) === 0) { return _log('Unable to copy/move into itself'); } if (strtolower($op) === 'move') { if ( ! rename($val, $_dst)) { return _log('Unable to move files', $val); } } else if (strtolower($op) === 'copy') { if ( ! _copy($val, $_dst)) { return _log('Unable to copy files', $val); } } } return 'Success!'; } /** * 复制操作 * */ function _copy($src, $dst) { if ( ! is_dir($src)) { if ( ! copy($src, $dst)) { return _log('Unable to copy files', $src); } } else { mkdir($dst); $ls = scandir($src); for ($i = 0; $i < count($ls); $i++) { if ($ls[$i] == '.' OR $ls[$i] == '..') continue; $_src = $src.'/'.$ls[$i]; $_dst = $dst.'/'.$ls[$i]; if ( is_dir($_src)) { if ( ! _copy($_src, $_dst)) { return _log('Unable to copy files', $_src); } } else { if ( ! copy($_src, $_dst)) { return _log('Unable to copy files', $_src); } } } } return TRUE; } /** * 日志记录 * */ function _log($msg, $arg = '') { if ($arg != '') { $msg = "date[".date('Y-m-d H:i:s')."]\tmsg[".$msg."]\targ[".$arg."]\n"; } else { $msg = "date[".date('Y-m-d H:i:s')."]\tmsg[".$msg."]\n"; } echo $msg; return @file_put_contents('copy.log', $msg, FILE_APPEND); } /** * 示例 * 1. 需要修改$src的数组参数 ; 2. 可以修改_copy_move的第三个参数以分别测试move/copy操作 * */ $src = array('img', 'min', 'phpinfo.php'); $dst = 'test'; var_dump(_copy_move($src, $dst, 'copy')); /*end of php*/
I hope this article will be helpful to everyone’s PHP programming design.