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PHP擴展之壓縮與歸檔擴展3——Zip

瀏覽:111日期:2022-09-15 15:14:44

此擴展可以讓你透明地讀寫ZIP壓縮文檔以及它們里面的文件。

在PHP5.2以后,為了使用這些函數,必須在編譯 PHP 時用?--enable-zip?配置選項來提供 zip 支持。

Example #1 創建一個 Zip 歸檔

<?php $zip = new ZipArchive(); $filename = './test112.zip'; if ($zip->open($filename, ZIPARCHIVE::CREATE)!==TRUE) {exit('cannot open <$filename>n'); } $zip->addFromString('testfilephp.txt' . time(), '#1 This is a test string added as testfilephp.txt.n'); $zip->addFromString('testfilephp2.txt' . time(), '#2 This is a test string added as testfilephp2.txt.n'); $zip->addFile($thisdir . '/too.php','/testfromfile.php'); echo 'numfiles: ' . $zip->numFiles . 'n'; echo 'status:' . $zip->status . 'n'; $zip->close();?>

Example #2 輸出文檔細節和列表

<?php $za = new ZipArchive(); $za->open(’test_with_comment.zip’); print_r($za); var_dump($za); echo 'numFiles: ' . $za->numFiles . 'n'; echo 'status: ' . $za->status . 'n'; echo 'statusSys: ' . $za->statusSys . 'n'; echo 'filename: ' . $za->filename . 'n'; echo 'comment: ' . $za->comment . 'n'; for ($i=0; $i<$za->numFiles;$i++) {echo 'index: $in';print_r($za->statIndex($i)); } echo 'numFile:' . $za->numFiles . 'n';?>

Example #3 Zip 流封裝,讀取一個 OpenOffice 文件的元信息

<?php $reader = new XMLReader(); $reader->open(’zip://’ . dirname(__FILE__) . ’/test.odt#meta.xml’); $odt_meta = array(); while ($reader->read()) {if ($reader->nodeType == XMLREADER::ELEMENT) { $elm = $reader->name;} else { if ($reader->nodeType == XMLREADER::END_ELEMENT && $reader->name == ’office:meta’) {break; } if (!trim($reader->value)) {continue; } $odt_meta[$elm] = $reader->value;} } print_r($odt_meta);?>

此例使用了舊的 API(PHP 4),它打開了一個 ZIP 文件歸檔,讀取歸檔里的每個文件,并輸出文件內容。此例用到的?test2.zip?文檔是 ZZIPlib 源分布里測試文檔中的一個。

Example #4 Zip 使用范例

<?php $zip = zip_open('/tmp/test2.zip'); if ($zip) {while ($zip_entry = zip_read($zip)) { echo 'Name: ' . zip_entry_name($zip_entry) . 'n'; echo 'Actual Filesize: ' . zip_entry_filesize($zip_entry) . 'n'; echo 'Compressed Size: ' . zip_entry_compressedsize($zip_entry) . 'n'; echo 'Compression Method: ' . zip_entry_compressionmethod($zip_entry) . 'n'; if (zip_entry_open($zip, $zip_entry, 'r')) { echo 'File Contents:n'; $buf = zip_entry_read($zip_entry, zip_entry_filesize($zip_entry)); echo '$bufn'; zip_entry_close($zip_entry); } echo 'n';}zip_close($zip); }?>

?ZipArchive 類

ZipArchive::addEmptyDir?— Add a new directoryZipArchive::addFile?— Adds a file to a ZIP archive from the given pathZipArchive::addFromString?— Add a file to a ZIP archive using its contentsZipArchive::addGlob?— Add files from a directory by glob patternZipArchive::addPattern?— Add files from a directory by PCRE patternZipArchive::close?— Close the active archive (opened or newly created)ZipArchive::deleteIndex?— delete an entry in the archive using its indexZipArchive::deleteName?— delete an entry in the archive using its nameZipArchive::extractTo?— Extract the archive contentsZipArchive::getArchiveComment?— Returns the Zip archive commentZipArchive::getCommentIndex?— Returns the comment of an entry using the entry indexZipArchive::getCommentName?— Returns the comment of an entry using the entry nameZipArchive::getFromIndex?— Returns the entry contents using its indexZipArchive::getFromName?— Returns the entry contents using its nameZipArchive::getNameIndex?— Returns the name of an entry using its indexZipArchive::getStatusString?— Returns the status error message, system and/or zip messagesZipArchive::getStream?— Get a file handler to the entry defined by its name (read only).ZipArchive::locateName?— Returns the index of the entry in the archiveZipArchive::open?— Open a ZIP file archiveZipArchive::renameIndex?— Renames an entry defined by its indexZipArchive::renameName?— Renames an entry defined by its nameZipArchive::setArchiveComment?— Set the comment of a ZIP archiveZipArchive::setCommentIndex?— Set the comment of an entry defined by its indexZipArchive::setCommentName?— Set the comment of an entry defined by its nameZipArchive::statIndex?— Get the details of an entry defined by its index.ZipArchive::statName?— Get the details of an entry defined by its name.ZipArchive::unchangeAll?— Undo all changes done in the archiveZipArchive::unchangeArchive?— Revert all global changes done in the archive.ZipArchive::unchangeIndex?— Revert all changes done to an entry at the given indexZipArchive::unchangeName?— Revert all changes done to an entry with the given name.

相關函數

zip_close?— Close a ZIP file archivezip_entry_close?— Close a directory entryzip_entry_compressedsize?— Retrieve the compressed size of a directory entryzip_entry_compressionmethod?— Retrieve the compression method of a directory entryzip_entry_filesize?— Retrieve the actual file size of a directory entryzip_entry_name?— Retrieve the name of a directory entryzip_entry_open?— Open a directory entry for readingzip_entry_read?— Read from an open directory entryzip_open?— Open a ZIP file archivezip_read?— Read next entry in a ZIP file archive
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