Your IP : 216.73.217.78
<?php
class MainWP_Backup {
protected static $instance = null;
protected $excludeZip;
protected $zip;
protected $zipArchiveFileCount;
protected $zipArchiveSizeCount;
protected $zipArchiveFileName;
protected $file_descriptors;
protected $loadFilesBeforeZip;
protected $timeout;
protected $lastRun;
/**
* @var Tar_Archiver
*/
protected $archiver = null;
public static function get() {
if ( null === self::$instance ) {
self::$instance = new MainWP_Backup();
}
return self::$instance;
}
/**
* Create full backup
*/
public function createFullBackup( $excludes, $filePrefix = '', $addConfig = false, $includeCoreFiles = false, $file_descriptors = 0, $fileSuffix = false, $excludezip = false, $excludenonwp = false, $loadFilesBeforeZip = true, $ext = 'zip', $pid = false, $append = false ) {
$this->file_descriptors = $file_descriptors;
$this->loadFilesBeforeZip = $loadFilesBeforeZip;
$dirs = MainWP_Helper::getMainWPDir( 'backup' );
$backupdir = $dirs[0];
if ( ! defined( 'PCLZIP_TEMPORARY_DIR' ) ) {
define( 'PCLZIP_TEMPORARY_DIR', $backupdir );
}
if ( false !== $pid ) {
$pid = trailingslashit( $backupdir ) . 'backup-' . $pid . '.pid';
}
//Verify if another backup is running, if so, return an error
$files = glob( $backupdir . '*.pid' );
foreach ( $files as $file ) {
if ( basename( $file ) == basename( $pid ) ) {
continue;
}
if ( ( time() - filemtime( $file ) ) < 160 ) {
MainWP_Helper::error( __( 'Another backup process is running. Please, try again later.', 'mainwp-child' ) );
}
}
$timestamp = time();
if ( '' !== $filePrefix ) {
$filePrefix .= '-';
}
if ( 'zip' == $ext ) {
$this->archiver = null;
$ext = '.zip';
} else {
$this->archiver = new Tar_Archiver( $this, $ext, $pid );
$ext = $this->archiver->getExtension();
}
// throw new Exception('Test 1 2 : ' . print_r($append,1));
if ( ( false !== $fileSuffix ) && ! empty( $fileSuffix ) ) {
$file = $fileSuffix . ( true === $append ? '' : $ext ); //Append already contains extension!
} else {
$file = 'backup-' . $filePrefix . $timestamp . $ext;
}
$filepath = $backupdir . $file;
$fileurl = $file;
// if (!$append)
// {
// if ($dh = opendir($backupdir))
// {
// while (($file = readdir($dh)) !== false)
// {
// if ($file != '.' && $file != '..' && preg_match('/(.*).(zip|tar|tar.gz|tar.bz2|pid|done)$/', $file))
// {
// @unlink($backupdir . $file);
// }
// }
// closedir($dh);
// }
// }
if ( ! $addConfig ) {
if ( ! in_array( str_replace( ABSPATH, '', WP_CONTENT_DIR ), $excludes ) && ! in_array( 'wp-admin', $excludes ) && ! in_array( WPINC, $excludes ) ) {
$addConfig = true;
$includeCoreFiles = true;
}
}
$this->timeout = 20 * 60 * 60; /*20 minutes*/
$mem = '512M';
// @codingStandardsIgnoreStart
@ini_set( 'memory_limit', $mem );
@set_time_limit( $this->timeout );
@ini_set( 'max_execution_time', $this->timeout );
// @codingStandardsIgnoreEnd
if ( null !== $this->archiver ) {
$success = $this->archiver->createFullBackup( $filepath, $excludes, $addConfig, $includeCoreFiles, $excludezip, $excludenonwp, $append );
} else if ( $this->checkZipSupport() ) {
$success = $this->createZipFullBackup( $filepath, $excludes, $addConfig, $includeCoreFiles, $excludezip, $excludenonwp );
} else if ( $this->checkZipConsole() ) {
$success = $this->createZipConsoleFullBackup( $filepath, $excludes, $addConfig, $includeCoreFiles, $excludezip, $excludenonwp );
} else {
$success = $this->createZipPclFullBackup2( $filepath, $excludes, $addConfig, $includeCoreFiles, $excludezip, $excludenonwp );
}
return ( $success ) ? array(
'timestamp' => $timestamp,
'file' => $fileurl,
'filesize' => filesize( $filepath ),
) : false;
}
public function zipFile( $files, $archive ) {
$this->timeout = 20 * 60 * 60; /*20 minutes*/
$mem = '512M';
// @codingStandardsIgnoreStart
@ini_set( 'memory_limit', $mem );
@set_time_limit( $this->timeout );
@ini_set( 'max_execution_time', $this->timeout );
// @codingStandardsIgnoreEnd
if ( !is_array( $files ) ) {
$files = array ($files );
}
if ( null !== $this->archiver ) {
$success = $this->archiver->zipFile( $files, $archive );
} else if ( $this->checkZipSupport() ) {
$success = $this->_zipFile( $files, $archive );
} else if ( $this->checkZipConsole() ) {
$success = $this->_zipFileConsole( $files, $archive );
} else {
$success = $this->_zipFilePcl( $files, $archive );
}
return $success;
}
function _zipFile( $files, $archive ) {
$this->zip = new ZipArchive();
$this->zipArchiveFileCount = 0;
$this->zipArchiveSizeCount = 0;
$zipRes = $this->zip->open( $archive, ZipArchive::CREATE );
if ( $zipRes ) {
foreach ( $files as $file ) {
$this->addFileToZip( $file, basename( $file ) );
}
return $this->zip->close();
}
return false;
}
function _zipFileConsole( $files, $archive ) {
return false;
}
public function _zipFilePcl( $files, $archive ) {
//Zip this backup folder..
require_once( ABSPATH . 'wp-admin/includes/class-pclzip.php' );
$this->zip = new PclZip( $archive );
$error = false;
foreach ( $files as $file ) {
if ( 0 === ( $rslt = $this->zip->add( $file, PCLZIP_OPT_REMOVE_PATH, dirname( $file ) ) ) ) {
$error = true;
}
}
return !$error;
}
/**
* Check for default PHP zip support
*
* @return bool
*/
public function checkZipSupport() {
return class_exists( 'ZipArchive' );
}
/**
* Check if we could run zip on console
*
* @return bool
*/
public function checkZipConsole() {
return false;
// return function_exists('system');
}
/**
* Create full backup using default PHP zip library
*
* @param string $filepath File path to create
*
* @return bool
*/
public function createZipFullBackup( $filepath, $excludes, $addConfig, $includeCoreFiles, $excludezip, $excludenonwp ) {
$this->excludeZip = $excludezip;
$this->zip = new ZipArchive();
$this->zipArchiveFileCount = 0;
$this->zipArchiveSizeCount = 0;
$this->zipArchiveFileName = $filepath;
$zipRes = $this->zip->open( $filepath, ZipArchive::CREATE );
if ( $zipRes ) {
$nodes = glob( ABSPATH . '*' );
if ( ! $includeCoreFiles ) {
$coreFiles = array(
'favicon.ico',
'index.php',
'license.txt',
'readme.html',
'wp-activate.php',
'wp-app.php',
'wp-blog-header.php',
'wp-comments-post.php',
'wp-config.php',
'wp-config-sample.php',
'wp-cron.php',
'wp-links-opml.php',
'wp-load.php',
'wp-login.php',
'wp-mail.php',
'wp-pass.php',
'wp-register.php',
'wp-settings.php',
'wp-signup.php',
'wp-trackback.php',
'xmlrpc.php',
);
foreach ( $nodes as $key => $node ) {
if ( MainWP_Helper::startsWith( $node, ABSPATH . WPINC ) ) {
unset( $nodes[ $key ] );
} else if ( MainWP_Helper::startsWith( $node, ABSPATH . basename( admin_url( '' ) ) ) ) {
unset( $nodes[ $key ] );
} else {
foreach ( $coreFiles as $coreFile ) {
if ( ABSPATH . $coreFile === $node ) {
unset( $nodes[ $key ] );
}
}
}
}
unset( $coreFiles );
}
$db_files = $this->createBackupDB( dirname( $filepath ) . DIRECTORY_SEPARATOR . 'dbBackup' );
foreach ( $db_files as $db_file ) {
$this->addFileToZip( $db_file, basename( WP_CONTENT_DIR ) . '/' . basename( $db_file ) );
}
if ( file_exists( ABSPATH . '.htaccess' ) ) {
$this->addFileToZip( ABSPATH . '.htaccess', 'mainwp-htaccess' );
}
foreach ( $nodes as $node ) {
if ( $excludenonwp && is_dir( $node ) ) {
if ( ! MainWP_Helper::startsWith( $node, WP_CONTENT_DIR ) && ! MainWP_Helper::startsWith( $node, ABSPATH . 'wp-admin' ) && ! MainWP_Helper::startsWith( $node, ABSPATH . WPINC ) ) {
continue;
}
}
if ( ! MainWP_Helper::inExcludes( $excludes, str_replace( ABSPATH, '', $node ) ) ) {
if ( is_dir( $node ) ) {
$this->zipAddDir( $node, $excludes );
} else if ( is_file( $node ) ) {
$this->addFileToZip( $node, str_replace( ABSPATH, '', $node ) );
}
}
}
if ( $addConfig ) {
global $wpdb;
$plugins = array();
$dir = WP_CONTENT_DIR . '/plugins/';
// @codingStandardsIgnoreStart
$fh = @opendir( $dir );
while ( $entry = @readdir( $fh ) ) {
if ( ! @is_dir( $dir . $entry ) ) {
continue;
}
if ( ( $entry == '.' ) || ( $entry == '..' ) ) {
continue;
}
$plugins[] = $entry;
}
@closedir( $fh );
// @codingStandardsIgnoreEnd
$themes = array();
$dir = WP_CONTENT_DIR . '/themes/';
// @codingStandardsIgnoreStart
$fh = @opendir( $dir );
while ( $entry = @readdir( $fh ) ) {
if ( ! @is_dir( $dir . $entry ) ) {
continue;
}
if ( ( $entry == '.' ) || ( $entry == '..' ) ) {
continue;
}
$themes[] = $entry;
}
@closedir( $fh );
// @codingStandardsIgnoreEnd
$string = base64_encode( serialize( array(
'siteurl' => get_option( 'siteurl' ),
'home' => get_option( 'home' ),
'abspath' => ABSPATH,
'prefix' => $wpdb->prefix,
'lang' => defined( 'WPLANG' ) ? WPLANG : '',
'plugins' => $plugins,
'themes' => $themes,
) ) );
$this->addFileFromStringToZip( 'clone/config.txt', $string );
}
$return = $this->zip->close();
foreach ( $db_files as $db_file ) {
@unlink( $db_file );
}
return true;
}
return false;
}
/**
* Create full backup using pclZip library
*
* @param string $filepath File path to create
*
* @return bool
*/
public function createZipPclFullBackup( $filepath, $excludes, $addConfig, $includeCoreFiles ) {
require_once( ABSPATH . 'wp-admin/includes/class-pclzip.php' );
$this->zip = new PclZip( $filepath );
$nodes = glob( ABSPATH . '*' );
if ( ! $includeCoreFiles ) {
$coreFiles = array(
'favicon.ico',
'index.php',
'license.txt',
'readme.html',
'wp-activate.php',
'wp-app.php',
'wp-blog-header.php',
'wp-comments-post.php',
'wp-config.php',
'wp-config-sample.php',
'wp-cron.php',
'wp-links-opml.php',
'wp-load.php',
'wp-login.php',
'wp-mail.php',
'wp-pass.php',
'wp-register.php',
'wp-settings.php',
'wp-signup.php',
'wp-trackback.php',
'xmlrpc.php',
);
foreach ( $nodes as $key => $node ) {
if ( MainWP_Helper::startsWith( $node, ABSPATH . WPINC ) ) {
unset( $nodes[ $key ] );
} else if ( MainWP_Helper::startsWith( $node, ABSPATH . basename( admin_url( '' ) ) ) ) {
unset( $nodes[ $key ] );
} else {
foreach ( $coreFiles as $coreFile ) {
if ( ABSPATH . $coreFile === $node ) {
unset( $nodes[ $key ] );
}
}
}
}
unset( $coreFiles );
}
$db_files = $this->createBackupDB( dirname( $filepath ) . DIRECTORY_SEPARATOR . 'dbBackup' );
$error = false;
foreach ( $db_files as $db_file ) {
if ( 0 === ( $rslt = $this->zip->add( $db_file, PCLZIP_OPT_REMOVE_PATH, dirname( $db_file ), PCLZIP_OPT_ADD_PATH, basename( WP_CONTENT_DIR ) ) ) ) {
$error = true;
}
}
foreach ( $db_files as $db_file ) {
@unlink( $db_file );
}
if ( ! $error ) {
foreach ( $nodes as $node ) {
if ( null === $excludes || ! in_array( str_replace( ABSPATH, '', $node ), $excludes ) ) {
if ( is_dir( $node ) ) {
if ( ! $this->pclZipAddDir( $node, $excludes ) ) {
$error = true;
break;
}
} else if ( is_file( $node ) ) {
if ( 0 === ( $rslt = $this->zip->add( $node, PCLZIP_OPT_REMOVE_PATH, ABSPATH ) ) ) {
$error = true;
break;
}
}
}
}
}
if ( $addConfig ) {
global $wpdb;
$string = base64_encode( serialize( array(
'siteurl' => get_option( 'siteurl' ),
'home' => get_option( 'home' ),
'abspath' => ABSPATH,
'prefix' => $wpdb->prefix,
'lang' => WPLANG,
) ) );
$this->addFileFromStringToPCLZip( 'clone/config.txt', $string, $filepath );
}
if ( $error ) {
// @codingStandardsIgnoreStart
@unlink( $filepath );
// @codingStandardsIgnoreEnd
return false;
}
return true;
}
function copy_dir( $nodes, $excludes, $backupfolder, $excludenonwp, $root ) {
if ( ! is_array( $nodes ) ) {
return;
}
foreach ( $nodes as $node ) {
if ( $excludenonwp && is_dir( $node ) ) {
if ( ! MainWP_Helper::startsWith( $node, WP_CONTENT_DIR ) && ! MainWP_Helper::startsWith( $node, ABSPATH . 'wp-admin' ) && ! MainWP_Helper::startsWith( $node, ABSPATH . WPINC ) ) {
continue;
}
}
if ( ! MainWP_Helper::inExcludes( $excludes, str_replace( ABSPATH, '', $node ) ) ) {
if ( is_dir( $node ) ) {
if ( ! file_exists( str_replace( ABSPATH, $backupfolder, $node ) ) ) {
// @codingStandardsIgnoreStart
@mkdir( str_replace( ABSPATH, $backupfolder, $node ) );
// @codingStandardsIgnoreEnd
}
$newnodes = glob( $node . DIRECTORY_SEPARATOR . '*' );
$this->copy_dir( $newnodes, $excludes, $backupfolder, $excludenonwp, false );
unset( $newnodes );
} else if ( is_file( $node ) ) {
if ( $this->excludeZip && MainWP_Helper::endsWith( $node, '.zip' ) ) {
continue;
}
// @codingStandardsIgnoreStart
@copy( $node, str_replace( ABSPATH, $backupfolder, $node ) );
// @codingStandardsIgnoreEnd
}
}
}
}
public function createZipPclFullBackup2( $filepath, $excludes, $addConfig, $includeCoreFiles, $excludezip, $excludenonwp ) {
//Create backup folder
$backupFolder = dirname( $filepath ) . DIRECTORY_SEPARATOR . 'backup' . DIRECTORY_SEPARATOR;
// @codingStandardsIgnoreStart
@mkdir( $backupFolder );
// @codingStandardsIgnoreEnd
//Create DB backup
$db_files = $this->createBackupDB( $backupFolder . 'dbBackup' );
//Copy installation to backup folder
$nodes = glob( ABSPATH . '*' );
if ( ! $includeCoreFiles ) {
$coreFiles = array(
'favicon.ico',
'index.php',
'license.txt',
'readme.html',
'wp-activate.php',
'wp-app.php',
'wp-blog-header.php',
'wp-comments-post.php',
'wp-config.php',
'wp-config-sample.php',
'wp-cron.php',
'wp-links-opml.php',
'wp-load.php',
'wp-login.php',
'wp-mail.php',
'wp-pass.php',
'wp-register.php',
'wp-settings.php',
'wp-signup.php',
'wp-trackback.php',
'xmlrpc.php',
);
foreach ( $nodes as $key => $node ) {
if ( MainWP_Helper::startsWith( $node, ABSPATH . WPINC ) ) {
unset( $nodes[ $key ] );
} else if ( MainWP_Helper::startsWith( $node, ABSPATH . basename( admin_url( '' ) ) ) ) {
unset( $nodes[ $key ] );
} else {
foreach ( $coreFiles as $coreFile ) {
if ( ABSPATH . $coreFile == $node ) {
unset( $nodes[ $key ] );
}
}
}
}
unset( $coreFiles );
}
$this->copy_dir( $nodes, $excludes, $backupFolder, $excludenonwp, true );
// to fix bug wrong folder
// @codingStandardsIgnoreStart
foreach ( $db_files as $db_file ) {
@copy( $db_file, $backupFolder . basename( WP_CONTENT_DIR ) . '/' . basename( $db_file ) );
@unlink( $db_file );
}
// @codingStandardsIgnoreEnd
unset( $nodes );
//Zip this backup folder..
require_once( ABSPATH . 'wp-admin/includes/class-pclzip.php' );
$this->zip = new PclZip( $filepath );
$this->zip->create( $backupFolder, PCLZIP_OPT_REMOVE_PATH, $backupFolder );
if ( $addConfig ) {
global $wpdb;
$string = base64_encode( serialize( array(
'siteurl' => get_option( 'siteurl' ),
'home' => get_option( 'home' ),
'abspath' => ABSPATH,
'prefix' => $wpdb->prefix,
'lang' => WPLANG,
) ) );
$this->addFileFromStringToPCLZip( 'clone/config.txt', $string, $filepath );
}
//Remove backup folder
MainWP_Helper::delete_dir( $backupFolder );
return true;
}
/**
* Recursive add directory for default PHP zip library
*/
public function zipAddDir( $path, $excludes ) {
$this->zip->addEmptyDir( str_replace( ABSPATH, '', $path ) );
if ( file_exists( rtrim( $path, '/' ) . '/.htaccess' ) ) {
$this->addFileToZip( rtrim( $path, '/' ) . '/.htaccess', rtrim( str_replace( ABSPATH, '', $path ), '/' ) . '/mainwp-htaccess' );
}
$iterator = new RecursiveIteratorIterator( new RecursiveDirectoryIterator( $path ), RecursiveIteratorIterator::SELF_FIRST );
foreach ( $iterator as $path ) {
$name = $path->__toString();
if ( ( '.' === basename( $name ) ) || ( '..' === basename( $name ) ) ) {
continue;
}
if ( ! MainWP_Helper::inExcludes( $excludes, str_replace( ABSPATH, '', $name ) ) ) {
if ( $path->isDir() ) {
$this->zipAddDir( $name, $excludes );
} else {
$this->addFileToZip( $name, str_replace( ABSPATH, '', $name ) );
}
}
$name = null;
unset( $name );
}
$iterator = null;
unset( $iterator );
// $nodes = glob(rtrim($path, '/') . '/*');
// if (empty($nodes)) return true;
//
// foreach ($nodes as $node)
// {
// if (!MainWP_Helper::inExcludes($excludes, str_replace(ABSPATH, '', $node)))
// {
// if (is_dir($node))
// {
// $this->zipAddDir($node, $excludes);
// }
// else if (is_file($node))
// {
// $this->addFileToZip($node, str_replace(ABSPATH, '', $node));
// }
// }
// }
}
public function pclZipAddDir( $path, $excludes ) {
$error = false;
$nodes = glob( rtrim( $path, '/' ) . '/*' );
if ( empty( $nodes ) ) {
return true;
}
foreach ( $nodes as $node ) {
if ( null === $excludes || ! in_array( str_replace( ABSPATH, '', $node ), $excludes ) ) {
if ( is_dir( $node ) ) {
if ( ! $this->pclZipAddDir( $node, $excludes ) ) {
$error = true;
break;
}
} else if ( is_file( $node ) ) {
if ( 0 === ( $rslt = $this->zip->add( $node, PCLZIP_OPT_REMOVE_PATH, ABSPATH ) ) ) {
$error = true;
break;
}
}
}
}
return ! $error;
}
function addFileFromStringToZip( $file, $string ) {
return $this->zip->addFromString( $file, $string );
}
public function addFileFromStringToPCLZip( $file, $string, $filepath ) {
$file = preg_replace( '/(?:\.|\/)*(.*)/', '$1', $file );
$localpath = dirname( $file );
$tmpfilename = dirname( $filepath ) . '/' . basename( $file );
if ( false !== file_put_contents( $tmpfilename, $string ) ) {
$this->zip->delete( PCLZIP_OPT_BY_NAME, $file );
$add = $this->zip->add( $tmpfilename,
PCLZIP_OPT_REMOVE_PATH, dirname( $filepath ),
PCLZIP_OPT_ADD_PATH, $localpath );
unlink( $tmpfilename );
if ( ! empty( $add ) ) {
return true;
}
}
return false;
}
protected $gcCnt = 0;
protected $testContent;
function addFileToZip( $path, $zipEntryName ) {
if ( time() - $this->lastRun > 20 ) {
// @codingStandardsIgnoreStart
@set_time_limit( $this->timeout );
// @codingStandardsIgnoreEnd
$this->lastRun = time();
}
if ( $this->excludeZip && MainWP_Helper::endsWith( $path, '.zip' ) ) {
return false;
}
// this would fail with status ZIPARCHIVE::ER_OPEN
// after certain number of files is added since
// ZipArchive internally stores the file descriptors of all the
// added files and only on close writes the contents to the ZIP file
// see: http://bugs.php.net/bug.php?id=40494
// and: http://pecl.php.net/bugs/bug.php?id=9443
// return $zip->addFile( $path, $zipEntryName );
$this->zipArchiveSizeCount += filesize( $path );
$this->gcCnt ++;
//5 mb limit!
if ( ! $this->loadFilesBeforeZip || ( filesize( $path ) > 5 * 1024 * 1024 ) ) {
$this->zipArchiveFileCount ++;
$added = $this->zip->addFile( $path, $zipEntryName );
} else {
$this->zipArchiveFileCount ++;
$this->testContent = file_get_contents( $path );
if ( $this->testContent === false ) {
return false;
}
$added = $this->zip->addFromString( $zipEntryName, $this->testContent );
}
if ( $this->gcCnt > 20 ) {
// @codingStandardsIgnoreStart
if ( function_exists( 'gc_enable' ) ) {
@gc_enable();
}
if ( function_exists( 'gc_collect_cycles' ) ) {
@gc_collect_cycles();
}
// @codingStandardsIgnoreEnd
$this->gcCnt = 0;
}
//Over limits?
if ( ( ( $this->file_descriptors > 0 ) && ( $this->zipArchiveFileCount > $this->file_descriptors ) ) ) { // || $this->zipArchiveSizeCount >= (31457280 * 2))
$this->zip->close();
$this->zip = null;
unset( $this->zip );
// @codingStandardsIgnoreStart
if ( function_exists( 'gc_enable' ) ) {
@gc_enable();
}
if ( function_exists( 'gc_collect_cycles' ) ) {
@gc_collect_cycles();
}
// @codingStandardsIgnoreEnd
$this->zip = new ZipArchive();
$this->zip->open( $this->zipArchiveFileName );
$this->zipArchiveFileCount = 0;
$this->zipArchiveSizeCount = 0;
}
return $added;
}
public function createZipConsoleFullBackup( $filepath, $excludes, $addConfig, $includeCoreFiles, $excludezip, $excludenonwp ) {
// @TODO to work with 'zip' from system if PHP Zip library not available
//system('zip');
return false;
}
public function createBackupDB( $filepath_prefix, $archiveExt = false, &$archiver = null ) {
$timeout = 20 * 60 * 60; //20minutes
// @codingStandardsIgnoreStart
@set_time_limit( $timeout );
@ini_set( 'max_execution_time', $timeout );
$mem = '512M';
@ini_set( 'memory_limit', $mem );
// @codingStandardsIgnoreEnd
/** @var $wpdb wpdb */
global $wpdb;
$db_files = array();
//Get all the tables
$tables_db = $wpdb->get_results( 'SHOW TABLES FROM `' . DB_NAME . '`', ARRAY_N );
foreach ( $tables_db as $curr_table ) {
if ( null !== $archiver ) {
$archiver->updatePidFile();
}
$table = $curr_table[0];
$currentfile = $filepath_prefix . '-' . MainWP_Helper::sanitize_filename( $table ) . '.sql';
$db_files[] = $currentfile;
if ( file_exists( $currentfile ) ) {
continue;
}
$fh = fopen( $currentfile . '.tmp', 'w' ); //or error;
fwrite( $fh, "\n\n" . 'DROP TABLE IF EXISTS ' . $table . ';' );
//todo fix this
//$table_create = $wpdb->get_row( $wpdb->prepare( 'SHOW CREATE TABLE %s', $table ), ARRAY_N );
$table_create = $wpdb->get_row( 'SHOW CREATE TABLE ' . $table, ARRAY_N );
fwrite( $fh, "\n" . $table_create[1] . ";\n\n" );
// @codingStandardsIgnoreStart
$rows = @MainWP_Child_DB::_query( 'SELECT * FROM ' . $table, $wpdb->dbh );
// @codingStandardsIgnoreEnd
if ( $rows ) {
$i = 0;
$table_insert = 'INSERT INTO `' . $table . '` VALUES (';
// @codingStandardsIgnoreStart
while ( $row = @MainWP_Child_DB::fetch_array( $rows ) ) {
// @codingStandardsIgnoreEnd
$query = $table_insert;
foreach ( $row as $value ) {
if ( $value === null ) {
$query .= 'NULL, ';
} else {
$query .= '"' . MainWP_Child_DB::real_escape_string( $value ) . '", ';
}
}
$query = trim( $query, ', ' ) . ');';
fwrite( $fh, "\n" . $query );
$i ++;
if ( $i >= 50 ) {
fflush( $fh );
$i = 0;
}
$query = null;
$row = null;
}
}
$rows = null;
fflush( $fh );
fclose( $fh );
rename( $currentfile . '.tmp', $currentfile );
}
fclose( fopen( $filepath_prefix . '.sql', 'w' ) );
$db_files[] = $filepath_prefix . '.sql';
$archivefilePath = null;
if ( false !== $archiveExt ) {
$archivefilePath = $filepath_prefix . '.sql.' . $archiveExt;
if ( 'zip' === $archiveExt ) {
$this->archiver = null;
} else {
$this->archiver = new Tar_Archiver( $this, $archiveExt );
}
if ( $this->zipFile( $db_files, $archivefilePath ) && file_exists( $archivefilePath ) ) {
foreach ( $db_files as $db_file ) {
@unlink( $db_file );
}
} else {
//todo: throw exception!
}
}
return ( false !== $archiveExt ? array( 'filepath' => $archivefilePath ) : $db_files );
}
}