我在 google 中发现这篇文章是第二个最佳结果,首先是使用 exec :(
无论如何,虽然这并不完全符合我的需求。我决定用我的快速但扩展的版本为其他人发布答案。
脚本功能
- 备份文件按天命名,PREFIX-YYYY-MM-DD-POSTFIX.EXTENSION
- 文件报告/丢失
- 以前的备份列表
- 不压缩/包括以前的备份;)
- 适用于 windows/linux
无论如何,在脚本上。虽然它可能看起来很多..记住这里有多余的..所以随意删除报告部分根据需要...
它也可能看起来很乱,并且某些东西可以很容易地清理......所以不要评论它,它只是一个包含基本 cmets 的快速脚本.. 不适合现场使用.. 但易于清理现场使用!
在本例中,它是从位于根 www / public_html 文件夹内的目录运行的。因此只需向上移动一个文件夹即可到达根目录。
<?php
// DIRECTORY WE WANT TO BACKUP
$pathBase = '../'; // Relate Path
// ZIP FILE NAMING ... This currently is equal to = sitename_www_YYYY_MM_DD_backup.zip
$zipPREFIX = "sitename_www";
$zipDATING = '_' . date('Y_m_d') . '_';
$zipPOSTFIX = "backup";
$zipEXTENSION = ".zip";
// SHOW PHP ERRORS... REMOVE/CHANGE FOR LIVE USE
ini_set('display_errors',1);
ini_set('display_startup_errors',1);
error_reporting(-1);
// ############################################################################################################################
// NO CHANGES NEEDED FROM THIS POINT
// ############################################################################################################################
// SOME BASE VARIABLES WE MIGHT NEED
$iBaseLen = strlen($pathBase);
$iPreLen = strlen($zipPREFIX);
$iPostLen = strlen($zipPOSTFIX);
$sFileZip = $pathBase . $zipPREFIX . $zipDATING . $zipPOSTFIX . $zipEXTENSION;
$oFiles = array();
$oFiles_Error = array();
$oFiles_Previous = array();
// SIMPLE HEADER ;)
echo '<center><h2>PHP Example: ZipArchive - Mayhem</h2></center>';
// CHECK IF BACKUP ALREADY DONE
if (file_exists($sFileZip)) {
// IF BACKUP EXISTS... SHOW MESSAGE AND THATS IT
echo "<h3 style='margin-bottom:0px;'>Backup Already Exists</h3><div style='width:800px; border:1px solid #000;'>";
echo '<b>File Name: </b>',$sFileZip,'<br />';
echo '<b>File Size: </b>',$sFileZip,'<br />';
echo "</div>";
exit; // No point loading our function below ;)
} else {
// NO BACKUP FOR TODAY.. SO START IT AND SHOW SCRIPT SETTINGS
echo "<h3 style='margin-bottom:0px;'>Script Settings</h3><div style='width:800px; border:1px solid #000;'>";
echo '<b>Backup Directory: </b>',$pathBase,'<br /> ';
echo '<b>Backup Save File: </b>',$sFileZip,'<br />';
echo "</div>";
// CREATE ZIPPER AND LOOP DIRECTORY FOR SUB STUFF
$oZip = new ZipArchive;
$oZip->open($sFileZip, ZipArchive::CREATE | ZipArchive::OVERWRITE);
$oFilesWrk = new RecursiveIteratorIterator(new RecursiveDirectoryIterator($pathBase),RecursiveIteratorIterator::LEAVES_ONLY);
foreach ($oFilesWrk as $oKey => $eFileWrk) {
// VARIOUS NAMING FORMATS OF THE CURRENT FILE / DIRECTORY.. RELATE & ABSOLUTE
$sFilePath = substr($eFileWrk->getPathname(),$iBaseLen, strlen($eFileWrk->getPathname())- $iBaseLen);
$sFileReal = $eFileWrk->getRealPath();
$sFile = $eFileWrk->getBasename();
// WINDOWS CORRECT SLASHES
$sMyFP = str_replace('\\', '/', $sFileReal);
if (file_exists($sMyFP)) { // CHECK IF THE FILE WE ARE LOOPING EXISTS
if ($sFile!="." && $sFile!="..") { // MAKE SURE NOT DIRECTORY / . || ..
// CHECK IF FILE HAS BACKUP NAME PREFIX/POSTFIX... If So, Dont Add It,, List It
if (substr($sFile,0, $iPreLen)!=$zipPREFIX && substr($sFile,-1, $iPostLen + 4)!= $zipPOSTFIX.$zipEXTENSION) {
$oFiles[] = $sMyFP; // LIST FILE AS DONE
$oZip->addFile($sMyFP, $sFilePath); // APPEND TO THE ZIP FILE
} else {
$oFiles_Previous[] = $sMyFP; // LIST PREVIOUS BACKUP
}
}
} else {
$oFiles_Error[] = $sMyFP; // LIST FILE THAT DOES NOT EXIST
}
}
$sZipStatus = $oZip->getStatusString(); // GET ZIP STATUS
$oZip->close(); // WARNING: Close Required to append files, dont delete any files before this.
// SHOW BACKUP STATUS / FILE INFO
echo "<h3 style='margin-bottom:0px;'>Backup Stats</h3><div style='width:800px; height:120px; border:1px solid #000;'>";
echo "<b>Zipper Status: </b>" . $sZipStatus . "<br />";
echo "<b>Finished Zip Script: </b>",$sFileZip,"<br />";
echo "<b>Zip Size: </b>",human_filesize($sFileZip),"<br />";
echo "</div>";
// SHOW ANY PREVIOUS BACKUP FILES
echo "<h3 style='margin-bottom:0px;'>Previous Backups Count(" . count($oFiles_Previous) . ")</h3><div style='overflow:auto; width:800px; height:120px; border:1px solid #000;'>";
foreach ($oFiles_Previous as $eFile) {
echo basename($eFile) . ", Size: " . human_filesize($eFile) . "<br />";
}
echo "</div>";
// SHOW ANY FILES THAT DID NOT EXIST??
if (count($oFiles_Error)>0) {
echo "<h3 style='margin-bottom:0px;'>Error Files, Count(" . count($oFiles_Error) . ")</h3><div style='overflow:auto; width:800px; height:120px; border:1px solid #000;'>";
foreach ($oFiles_Error as $eFile) {
echo $eFile . "<br />";
}
echo "</div>";
}
// SHOW ANY FILES THAT HAVE BEEN ADDED TO THE ZIP
echo "<h3 style='margin-bottom:0px;'>Added Files, Count(" . count($oFiles) . ")</h3><div style='overflow:auto; width:800px; height:120px; border:1px solid #000;'>";
foreach ($oFiles as $eFile) {
echo $eFile . "<br />";
}
echo "</div>";
}
// CONVERT FILENAME INTO A FILESIZE AS Bytes/Kilobytes/Megabytes,Giga,Tera,Peta
function human_filesize($sFile, $decimals = 2) {
$bytes = filesize($sFile);
$sz = 'BKMGTP';
$factor = floor((strlen($bytes) - 1) / 3);
return sprintf("%.{$decimals}f", $bytes / pow(1024, $factor)) . @$sz[$factor];
}
?>
它有什么作用??
它会简单地压缩变量 $pathBase 的完整内容并将压缩文件存储在同一个文件夹中。它对以前的备份进行简单检测并跳过它们。
CRON 备份
我刚刚在 linux 上测试过这个脚本,并且在使用绝对 url 作为 pathBase 的 cron 作业中运行良好。