How To Backup MySQL Database Using PHP Example

PHP 8 , PHP

Nicesnippets

457

02-07-2021


How To Backup MySQL Database Using PHP Example

Hi guys,

Today i will explained How To Backup MySQL Database Using PHP. This example is so easy to use in php.

This example to i am export to the sql file in your same folder and store in your all database table field to store in sql file.

So let's start to the example.

index.php


<?php

$dbHost = 'localhost';

$dbUsername = 'root';

$dbPassword = 'root';

$dbName = 'login';

$tables = '*';

$db = new mysqli($dbHost, $dbUsername, $dbPassword, $dbName);

//get all of the tables

if($tables == '*'){

$tables = array();

$result = $db->query("SHOW TABLES");

while($row = $result->fetch_row()){

$tables[] = $row[0];

}

}else{

$tables = is_array($tables)?$tables:explode(',',$tables);

}

foreach($tables as $table){

$result = $db->query("SELECT * FROM $table");

$numColumns = $result->field_count;

$return .= "DROP TABLE $table;";

$result2 = $db->query("SHOW CREATE TABLE $table");

$row2 = $result2->fetch_row();

$return .= "\n\n".$row2[1].";\n\n";

for($i = 0; $i < $numColumns; $i++){

while($row = $result->fetch_row()){

$return .= "INSERT INTO $table VALUES(";

for($j=0; $j < $numColumns; $j++){

$row[$j] = addslashes($row[$j]);

$row[$j] = preg_replace("\n","\\n",$row[$j]);

if (isset($row[$j])){

$return .= '"'.$row[$j].'"' ;

} else {

$return .= '""';

}

if ($j < ($numColumns-1)) {

$return.= ',';

}

}

$return .= ");\n";

}

}

$return .= "\n\n\n";

}

//save db file in same folder

$handle = fopen('db-backup-'.time().'.sql','w+');

fwrite($handle,$return);

fclose($handle);

?>

Now you can check your own.

I hope it can help you...


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