Atwist
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- Lid geworden
- 24 jan 2006
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- Besturingssysteem
- Wndows 11
- Office versie
- 2016
Hallo.
Ik probeer mijn database back-up te automatiseren via onderstaand PHP script, handmatig loopt het allemaal goed maar als het het via mijn cronjob server probeer te starten dan werkt het niet.
Hoe kan ik dit oplossen?
Mijn PHP ervaring is gering tot matig.
Ik probeer mijn database back-up te automatiseren via onderstaand PHP script, handmatig loopt het allemaal goed maar als het het via mijn cronjob server probeer te starten dan werkt het niet.
Hoe kan ik dit oplossen?
Mijn PHP ervaring is gering tot matig.

Code:
<?php
#####################
//CONFIGURATIONS
#####################
// Define the name of the backup directory
define('data', './forum' ) ;
// Define Database Credentials
define('HOST', 'lokalhost' ) ;
define('USER', 'test1' ) ;
define('PASSWORD', '123456' ) ;
define('DB_NAME', 'test2' ) ;
/*
Define the filename for the sql file
*/
$fileName = 'mysqlbackup--' . date('d-m-Y') . '@'.date('h.i.s').'.sql' ;
// Set execution time limit
if(function_exists('max_execution_time')) {
if( ini_get('max_execution_time') > 0 ) set_time_limit(0) ;
}
###########################
//END OF CONFIGURATIONS
###########################
// Check if directory is already created and has the proper permissions
if (!file_exists(BACKUP_DIR)) mkdir(BACKUP_DIR , 0700) ;
if (!is_writable(BACKUP_DIR)) chmod(BACKUP_DIR , 0700) ;
// Create an ".htaccess" file , it will restrict direct accss to the backup-directory .
$content = 'deny from all' ;
$file = new SplFileObject(BACKUP_DIR . '/.htaccess', "w") ;
$file->fwrite($content) ;
$mysqli = new mysqli(HOST , USER , PASSWORD , DB_NAME) ;
if (mysqli_connect_errno())
{
printf("Connect failed: %s", mysqli_connect_error());
exit();
}
// Introduction information
$return .= "--\n";
$return .= "-- A Mysql Backup System \n";
$return .= "--\n";
$return .= '-- Export created: ' . date("Y/m/d") . ' on ' . date("h:i") . "\n\n\n";
$return = "--\n";
$return .= "-- Database : " . DB_NAME . "\n";
$return .= "--\n";
$return .= "-- --------------------------------------------------\n";
$return .= "-- ---------------------------------------------------\n";
$return .= 'SET AUTOCOMMIT = 0 ;' ."\n" ;
$return .= 'SET FOREIGN_KEY_CHECKS=0 ;' ."\n" ;
$tables = array() ;
// Exploring what tables this database has
$result = $mysqli->query('SHOW TABLES' ) ;
// Cycle through "$result" and put content into an array
while ($row = $result->fetch_row())
{
$tables[] = $row[0] ;
}
// Cycle through each table
foreach($tables as $table)
{
// Get content of each table
$result = $mysqli->query('SELECT * FROM '. $table) ;
// Get number of fields (columns) of each table
$num_fields = $mysqli->field_count ;
// Add table information
$return .= "--\n" ;
$return .= '-- Tabel structure for table `' . $table . '`' . "\n" ;
$return .= "--\n" ;
$return.= 'DROP TABLE IF EXISTS `'.$table.'`;' . "\n" ;
// Get the table-shema
$shema = $mysqli->query('SHOW CREATE TABLE '.$table) ;
// Extract table shema
$tableshema = $shema->fetch_row() ;
// Append table-shema into code
$return.= $tableshema[1].";" . "\n\n" ;
// Cycle through each table-row
while($rowdata = $result->fetch_row())
{
// Prepare code that will insert data into table
$return .= 'INSERT INTO `'.$table .'` VALUES ( ' ;
// Extract data of each row
for($i=0; $i<$num_fields; $i++)
{
$return .= '"'.$rowdata[$i] . "\"," ;
}
// Let's remove the last comma
$return = substr("$return", 0, -1) ;
$return .= ");" ."\n" ;
}
$return .= "\n\n" ;
}
// Close the connection
$mysqli->close() ;
$return .= 'SET FOREIGN_KEY_CHECKS = 1 ; ' . "\n" ;
$return .= 'COMMIT ; ' . "\n" ;
$return .= 'SET AUTOCOMMIT = 1 ; ' . "\n" ;
//$file = file_put_contents($fileName , $return) ;
$zip = new ZipArchive() ;
$resOpen = $zip->open(BACKUP_DIR . '/' .$fileName.".zip" , ZIPARCHIVE::CREATE) ;
if( $resOpen ){
$zip->addFromString( $fileName , "$return" ) ;
}
$zip->close() ;
$fileSize = get_file_size_unit(filesize(BACKUP_DIR . "/". $fileName . '.zip')) ;
$message = <<<msg
<h2>BACKUP completed ,</h2>
the archive has the name of : <b> $fileName </b> and it's file-size is : $fileSize .
This zip archive can't be accessed via a web browser , as it's stored into a protected directory .
It's highly recomended to transfer this backup to another filesystem , use your favorite FTP client to download the archieve .
msg;
echo $message ;
// Function to append proper Unit after file-size .
function get_file_size_unit($file_size){
switch (true) {
case ($file_size/1024 < 1) :
return intval($file_size ) ." Bytes" ;
break;
case ($file_size/1024 >= 1 && $file_size/(1024*1024) < 1) :
return intval($file_size/1024) ." KB" ;
break;
default:
return intval($file_size/(1024*1024)) ." MB" ;
}
}