PHP MySQLi Functions for Beginners - Cody Paste

PHP MySQLi Functions for Beginners - Cody Paste https://www.codypaste.com/category/mysqli/ THE WEB PLAYGROUND Tue, 17 Dec 2024 11:36:56 +0000 en-US hourly 1 https://wordpress.org/?v=6.9 https://www.codypaste.com/wp-content/uploads/2022/12/cropped-codypaste-32x32.png PHP MySQLi Functions for Beginners - Cody Paste https://www.codypaste.com/category/mysqli/ 32 32 Increase file upload size phpMyAdmin https://www.codypaste.com/increase-file-upload-size-phpmyadmin/ https://www.codypaste.com/increase-file-upload-size-phpmyadmin/?noamp=mobile#respond Tue, 17 Dec 2024 11:36:56 +0000 https://www.codypaste.com/?p=1251 Step-By-Step Instructions 1. Login to WHM as the root user. 2. Navigate to “”Home / Server Configuration / Tweak Settings”” in WHM. 3. Click on the PHP tab. 4. For the “”cPanel PHP max upload size”” option, increase the upload limit to your desired value. a. Values higher than 2047MB are not permitted. 5. For …

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]]> Step-By-Step Instructions
1. Login to WHM as the root user.

2. Navigate to “”Home / Server Configuration / Tweak Settings”” in WHM.

3. Click on the PHP tab.

4. For the “”cPanel PHP max upload size”” option, increase the upload limit to your desired value.

a. Values higher than 2047MB are not permitted.

5. For the “”cPanel PHP max POST size”” option, increase the POST value to the same or higher.

a. Values higher than 2047MB are not permitted.

6. Click Save.

Once this is done, you’ll see that phpMyAdmin now shows the new maximum upload size on the import screen next to the upload button.

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]]> https://www.codypaste.com/increase-file-upload-size-phpmyadmin/feed/ 0 Export Large Database in cPanel by SSH Command https://www.codypaste.com/export-large-database-in-cpanel-by-ssh-command/ https://www.codypaste.com/export-large-database-in-cpanel-by-ssh-command/?noamp=mobile#respond Wed, 18 Sep 2024 06:10:22 +0000 https://www.codypaste.com/?p=1175 To export a large MySQL database via the command line, you use the mysqldump utility. Here’s the basic syntax and steps for exporting a large database: Basic Syntax mysqldump -u username -p database_name > /path/to/backup_file.sql Steps to Export a Large Database Open Your Terminal: Access the command line interface on your server or local machine. …

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]]> To export a large MySQL database via the command line, you use the mysqldump utility. Here’s the basic syntax and steps for exporting a large database:

Basic Syntax

mysqldump -u username -p database_name > /path/to/backup_file.sql

Steps to Export a Large Database

Open Your Terminal:

Access the command line interface on your server or local machine.

Run the mysqldump Command:

mysqldump -u your_database_user -p your_database_name > /path/to/backup_file.sql
Enter the Password:
After running the command, you’ll be prompted to enter the password for your_database_user. Type in the password and press Enter.

Additional Options

Compress the Backup File: To save space, you can compress the SQL file using gzip:

mysqldump -u your_database_user -p your_database_name | gzip > /path/to/backup_file.sql.gz

To decompress and restore later:
gunzip < /path/to/backup_file.sql.gz | mysql -u your_database_user -p your_database_name
Include Specific Tables: If you want to export specific tables, list them after the database name:
mysqldump -u your_database_user -p your_database_name table1 table2 > /path/to/backup_file.sql
Export Only the Schema: To export only the schema (structure) without data:

mysqldump -u your_database_user -p -d your_database_name > /path/to/backup_schema.sql
Export Only Data: To export only the data (without schema):

mysqldump -u your_database_user -p --no-create-info your_database_name > /path/to/backup_data.sq

Troubleshooting Tips

Ensure Enough Disk Space: Make sure there’s enough disk space on your server or local machine to store the backup file.
Handling Large Databases: For very large databases, consider using options like --single-transaction to avoid locking the tables:

mysqldump -u your_database_user -p --single-transaction your_database_name > /path/to/backup_file.sql
Check Permissions: Ensure that the user has the required permissions to perform the dump operation.

If you encounter issues or errors, they may provide more specific details on what needs to be addressed, such as permissions, disk space, or specific database settings.

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]]> https://www.codypaste.com/export-large-database-in-cpanel-by-ssh-command/feed/ 0 Import Large Database in cPanel by SSH Command https://www.codypaste.com/import-large-database-in-cpanel-by-ssh-command/ https://www.codypaste.com/import-large-database-in-cpanel-by-ssh-command/?noamp=mobile#respond Wed, 18 Sep 2024 05:43:58 +0000 https://www.codypaste.com/?p=1170 Importing large database from phpmyadmin Import is difficult because of time limit and file size, so here we will see how to import large databases in phpmyadmin or cPanel using SSH. You can use the ‘Terminal’ Option from Cpanel or PuTTY for command. Here we will use ‘Terminal’. STEP 1: Go to public_html directory …

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]]> Importing large database from phpmyadmin Import is difficult because of time limit and file size,
so here we will see how to import large databases in phpmyadmin or cPanel using SSH.

You can use the ‘Terminal’ Option from Cpanel or PuTTY for command.

Here we will use ‘Terminal’.

STEP 1:
Go to public_html directory
Type in terminal

cd public_html

STEP 2:
Type

mysql -u your_DB_username -p your_db_name < path_of_your_sql_file.sql

Press Enter

STEP 3:
This will ask for password: Type the Database password of your DB

and wait… your data will imported successfully

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]]> https://www.codypaste.com/import-large-database-in-cpanel-by-ssh-command/feed/ 0 Load More style Pagination in PHP/MYSQLi https://www.codypaste.com/lode-more-pagination-in-phpmysqli/ https://www.codypaste.com/lode-more-pagination-in-phpmysqli/?noamp=mobile#respond Thu, 29 Sep 2016 10:03:11 +0000 http://www.codypaste.com/?p=511 Author: CodexWorldAuthor URL: http://www.codexworld.com/Author Email: contact@codexworld.comTutorial Link: http://www.codexworld.com/load-more-data-using-jquery-ajax-php-from-database/ ============ Instruction ============Create a database (test) at phpMyAdmin => Import the “tutorials.sql” file into this database => Move “load_more_data_jquery_ajax/” directory at the localhost => Open the “index.php” file at the browser => Test functionality. ========================================================================== Step: 1 index.php [crayon-69ab96e88c577428052000/] Step 2: conn.php (DB connection) connection …

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]]> Author: CodexWorld
Author URL: http://www.codexworld.com/
Author Email: contact@codexworld.com
Tutorial Link: http://www.codexworld.com/load-more-data-using-jquery-ajax-php-from-database/

============ Instruction ============
Create a database (test) at phpMyAdmin => Import the “tutorials.sql” file into this database => Move “load_more_data_jquery_ajax/” directory at the localhost => Open the “index.php” file at the browser => Test functionality.

==========================================================================

Step: 1 index.php

<!DOCTYPE html>
<html lang='en-US' xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Load more data using jQuery, Ajax and PHP</title>
<style type="text/css">

.tutorial_list{ 
margin-bottom:20px;
}
div.list_item {
	border-bottom:dotted 1px #CCC;
	padding-top:10px;
	padding-bottom:10px;
}
div.list_item {
margin: 5px 0px 2px;
}
div.list_item p {
margin: .5em 0;
padding: 2px;
font-size: 13px;
line-height: 1.5;
}
.list_item a {
text-decoration: none;
padding-bottom: 2px;
color: #000;
-webkit-transition-property: border,background,color;
transition-property: border,background,color;-webkit-transition-duration: .05s;
transition-duration: .05s;
-webkit-transition-timing-function: ease-in-out;
transition-timing-function: ease-in-out;
font-weight:bold;
}
.list_item a:hover{ 
text-decoration:underline;
}
.show_more_main {
margin: 15px 0px;
}
.show_more {
background-color: #f8f8f8;
background-image: -webkit-linear-gradient(top,#fcfcfc 0,#f8f8f8 100%);
background-image: linear-gradient(top,#fcfcfc 0,#f8f8f8 100%);
border: 1px solid;
border-color: #d3d3d3;
color: #333;
font-size: 12px;
outline: 0;
}
.show_more {
cursor: pointer;
display: block;
padding: 10px 0;
text-align: center;
font-weight:bold;
}
.loding {
background-color: #e9e9e9;
border: 1px solid;
border-color: #c6c6c6;
color: #333;
font-size: 12px;
display: block;
text-align: center;
padding: 10px 0;
outline: 0;
font-weight:bold;
}
.loding_txt {
background-image: url(loading_16.gif);
background-position: left;
background-repeat: no-repeat;
border: 0;
display: inline-block;
height: 16px;
padding-left: 20px;
}

</style>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.2/jquery.min.js"></script>
<script type="text/javascript">
$(document).ready(function(){
	$(document).on('click','.show_more',function(){
		var ID = $(this).attr('id');
		$('.show_more').hide();
		$('.loding').show();
		$.ajax({
			type:'POST',
			url:'ajax_more.php',
			data:'id='+ID,
			success:function(html){
				$('#show_more_main'+ID).remove();
				$('.tutorial_list').append(html);
			}
		});
		
	});
});
</script>
</head>

<body>

<?php
//include database configuration file
include('conn.php');
?>

        	
            <div class="tutorial_list">
			<?php
			//get rows query
			$query = mysqli_query($db, "SELECT * FROM yout_db_table ORDER BY id DESC LIMIT 6");
			
			//number of rows
			$rowCount = mysqli_num_rows($query);
			
			if($rowCount > 0){ 
				while($row = mysqli_fetch_assoc($query)){ 
                    $tutorial_id = 	$row['id'];
            ?>
           	 	<div class="list_item">
                <div><a href="<?php echo $row['link']; ?>" target="_blank"><?php echo $row['title']; ?></a></div>
                <div><?php echo $row['sub_title']; ?></div>
                </div>
            <?php } ?>
            <div class="show_more_main" id="show_more_main<?php echo $tutorial_id; ?>">
                <span id="<?php echo $tutorial_id; ?>" class="show_more" title="Load more posts">Show more</span>
                <span class="loding" style="display: none;"><span class="loding_txt">Loading...</span></span>
            </div>
            <?php } ?>
            </div>


</body>
</html>

Step 2: conn.php (DB connection)

connection for server:

<?php
$db = mysqli_connect("localhost","root","pass","db_name");

// Check connection
if (mysqli_connect_errno())
  {
  echo "Failed to connect to MySQL: " . mysqli_connect_error();
  }
?>

connection for localhost:

<?php

$db = mysqli_connect("localhost","root","pass","db_name");

// Check connection
if (mysqli_connect_errno())
  {
  echo "Failed to connect to MySQL: " . mysqli_connect_error();
  }
?>

Step 3: ajax_more

<?php
if(isset($_POST["id"]) && !empty($_POST["id"])){

//include database configuration file
include('conn.php');

//count all rows except already displayed
$queryAll = mysqli_query($db,"SELECT COUNT(*) as num_rows FROM your_db_name WHERE id < ".$_POST['id']." ORDER BY id DESC");
$row = mysqli_fetch_assoc($queryAll);
$allRows = $row['num_rows'];

$showLimit = 4;

//get rows query
$query = mysqli_query($db, "SELECT * FROM newsletters WHERE id < ".$_POST['id']." ORDER BY id DESC LIMIT ".$showLimit);

//number of rows
$rowCount = mysqli_num_rows($query);

if($rowCount > 0){ 
    while($row = mysqli_fetch_assoc($query)){ 
        $tutorial_id = $row["id"]; ?>
        <div class="list_item">
        <div><a href="<?php echo $row['link']; ?>" target="_blank"><?php echo $row["title"]; ?></a></div>
         <div><?php echo $row['sub_title']; ?></div>
        </div>
<?php } ?>
<?php if($allRows > $showLimit){ ?>
    <div class="show_more_main" id="show_more_main<?php echo $tutorial_id; ?>">
        <span id="<?php echo $tutorial_id; ?>" class="show_more" title="Load more posts">Show more</span>
        <span class="loding" style="display: none;"><span class="loding_txt">Loading…</span></span>
    </div>
<?php } ?>  
<?php 
    } 
}
?>

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]]> https://www.codypaste.com/lode-more-pagination-in-phpmysqli/feed/ 0 Delete query in Mysqli https://www.codypaste.com/delete-query-in-mysqli/ https://www.codypaste.com/delete-query-in-mysqli/?noamp=mobile#respond Sat, 23 Apr 2016 14:30:51 +0000 http://www.codypaste.com/?p=402 Nearly every site that you visit nowadays has some sort of database storage in place, many sites opt to use MySQL databases when using PHP. However, many people haven’t yet taken the step to interacting with databases properly in PHP. Here we guide you through what you should be doing – using PHP’s MySQLi class …

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]]> Nearly every site that you visit nowadays has some sort of database storage in place, many sites opt to use MySQL databases when using PHP. However, many people haven’t yet taken the step to interacting with databases properly in PHP. Here we guide you through what you should be doing – using PHP’s MySQLi class – with a hat-tip to the one way that you definitely shouldn’t be doing it.

$db variable require which we used in DB connection. e.g.

DB Connection:

<?php

$db = new mysqli('localhost', 'root', '', 'popink');

if($db->connect_errno > 0){
    die('Unable to connect to database [' . $db->connect_error . ']');
}
?>

Unlink/Delete uploaded file from folder:

<?php

$result = mysqli_query($db,"SELECT * FROM home_slider WHERE id='$id'");
$row = mysqli_fetch_array($result);
			
				
$old_file2="../images/slider/$row[banner]";

$del2= unlink($old_file2);


?>

Delete Query:

$delete=$db->query("DELETE FROM home_slider WHERE id='$id'") ;

Source: http://codular.com/php-mysqli

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]]> https://www.codypaste.com/delete-query-in-mysqli/feed/ 0 Update query in Mysqli https://www.codypaste.com/update-query-in-mysqli/ https://www.codypaste.com/update-query-in-mysqli/?noamp=mobile#respond Sat, 23 Apr 2016 14:19:27 +0000 http://www.codypaste.com/?p=400 Nearly every site that you visit nowadays has some sort of database storage in place, many sites opt to use MySQL databases when using PHP. However, many people haven’t yet taken the step to interacting with databases properly in PHP. Here we guide you through what you should be doing – using PHP’s MySQLi class …

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]]> Nearly every site that you visit nowadays has some sort of database storage in place, many sites opt to use MySQL databases when using PHP. However, many people haven’t yet taken the step to interacting with databases properly in PHP. Here we guide you through what you should be doing – using PHP’s MySQLi class – with a hat-tip to the one way that you definitely shouldn’t be doing it.

$db require, which is DB connection variable. e.g.

DB Connection:

<?php

$db = new mysqli('localhost', 'root', '', 'popink');

if($db->connect_errno > 0){
    die('Unable to connect to database [' . $db->connect_error . ']');
}
?>

Update Query:

<?php

$id=$_REQUEST['id'];
$link=$_POST['link'];
     
$code=time();
						
$updates=$db->query("Update home_slider SET link='$link' WHERE id='$id'") ;

?>

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]]> https://www.codypaste.com/update-query-in-mysqli/feed/ 0 Insert query in Mysqli https://www.codypaste.com/insert-query-in-mysqli/ https://www.codypaste.com/insert-query-in-mysqli/?noamp=mobile#respond Sat, 23 Apr 2016 14:05:38 +0000 http://www.codypaste.com/?p=395 Nearly every site that you visit nowadays has some sort of database storage in place, many sites opt to use MySQL databases when using PHP. However, many people haven’t yet taken the step to interacting with databases properly in PHP. Here we guide you through what you should be doing – using PHP’s MySQLi class …

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]]> Nearly every site that you visit nowadays has some sort of database storage in place, many sites opt to use MySQL databases when using PHP. However, many people haven’t yet taken the step to interacting with databases properly in PHP. Here we guide you through what you should be doing – using PHP’s MySQLi class – with a hat-tip to the one way that you definitely shouldn’t be doing it.

Insert query & move uploaded file in Mysqli

database connection is must under function for this query if using classes.

DB Connection:

<?php

$db = new mysqli('localhost', 'root', '', 'database');

if($db->connect_errno > 0){
die('Unable to connect to database [' . $db->connect_error . ']');
}

?>

INSERT Query:

<?php

   $banner=$_FILES['banner'];  
   $bannername1=urlencode($banner['name']);
   $bannername2=str_replace("+", "_", $bannername1);
   $bannername=str_replace("-", "_", $bannername2);   

   
   $code=time();
   $position="0";
   $status="on";
   $link=urlencode($_POST['link']);
   $des="none";



$insert=mysqli_query($db,"INSERT INTO TableName (`banner`,`des`,`position`,`status`,`link`)
VALUES ('$code$bannername','$des','$position','$status','$link')") 
or die(mysqli_error($db));

move_uploaded_file($banner['tmp_name'], "../images/slider/$code$bannername");

?>

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]]> https://www.codypaste.com/insert-query-in-mysqli/feed/ 0 Select query in Mysqli https://www.codypaste.com/select-query-in-mysqli/ https://www.codypaste.com/select-query-in-mysqli/?noamp=mobile#respond Sat, 23 Apr 2016 13:33:38 +0000 http://www.codypaste.com/?p=392 Nearly every site that you visit nowadays has some sort of database storage in place, many sites opt to use MySQL databases when using PHP. However, many people haven’t yet taken the step to interacting with databases properly in PHP. Here we guide you through what you should be doing – using PHP’s MySQLi class …

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]]> Nearly every site that you visit nowadays has some sort of database storage in place, many sites opt to use MySQL databases when using PHP. However, many people haven’t yet taken the step to interacting with databases properly in PHP. Here we guide you through what you should be doing – using PHP’s MySQLi class – with a hat-tip to the one way that you definitely shouldn’t be doing it.

Select db table & result in while loop

<?php
$res_view = mysqli_query($db,"SELECT * FROM home_slider ORDER BY position");
while($row_view = mysqli_fetch_array($res_view))
{
echo $row_view['banner']; 
}
?>

here ‘$db’ variable is db connection variable

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]]> https://www.codypaste.com/select-query-in-mysqli/feed/ 0 Database connection in Mysqli https://www.codypaste.com/database-connection-in-mysqli/ https://www.codypaste.com/database-connection-in-mysqli/?noamp=mobile#respond Sat, 23 Apr 2016 12:19:52 +0000 http://www.codypaste.com/?p=388 Nearly every site that you visit nowadays has some sort of database storage in place, many sites opt to use MySQL databases when using PHP. However, many people haven’t yet taken the step to interacting with databases properly in PHP. Here we guide you through what you should be doing – using PHP’s MySQLi class …

read more "Database connection in Mysqli"

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]]> Nearly every site that you visit nowadays has some sort of database storage in place, many sites opt to use MySQL databases when using PHP. However, many people haven’t yet taken the step to interacting with databases properly in PHP. Here we guide you through what you should be doing – using PHP’s MySQLi class – with a hat-tip to the one way that you definitely shouldn’t be doing it.

$db = new mysqli('localhost', 'user', 'pass', 'demo');

if($db->connect_errno > 0){
    die('Unable to connect to database [' . $db->connect_error . ']');
}

user -> db user name

pass -> db password

demo -> database name

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]]> https://www.codypaste.com/database-connection-in-mysqli/feed/ 0