How to copy and move files in php_php tips

The example in this article describes how to copy and move 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:

&#65279;<&#63;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&#63; 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&#63;
  foreach ($src as $val) {
    if ( _isFind($val) === FALSE) {
      return _log('Src file not find', $val);
    }
  }
  //判断目的文件夹是否存在&#63; 如果不存在就生成
  //简单处理： 实际应用需要修改
  if (_isFindDir($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&#63; 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.