Trending questions in PHP

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PHP undefined key and variable

Hi, @Dann, If you are using some variable ...READ MORE

Dec 30, 2020 in PHP by anonymous
• 65,970 points
23,674 views
0 votes
1 answer

Error:“Notice: Undefined variable”, “Notice: Undefined index”, and “Notice: Undefined offset” using PHP

Hello @kartik, The best way for getting input string is: $value ...READ MORE

Apr 1, 2020 in PHP by Niroj
• 82,900 points
27,069 views
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1 answer

How to select all records from one table that do not exist in another table?

Hello @kartik, You can either do like this: SELECT ...READ MORE

Jul 21, 2020 in PHP by Niroj
• 82,900 points
20,159 views
0 votes
1 answer

How to include External CSS and JS file in Laravel?

Hello @kartik, The right way is this one: <script ...READ MORE

Oct 27, 2020 in PHP by Niroj
• 82,900 points
13,475 views
+1 vote
1 answer

ERROR: Cannot add or update a child row: a foreign key constraint fails

Hello @kartik, You are getting this constraint check ...READ MORE

Aug 20, 2020 in PHP by Niroj
• 82,900 points
14,576 views
0 votes
1 answer

MySQL - UPDATE multiple rows with different values in one query

Hello @kartik You can use a CASE statement to handle ...READ MORE

Jun 1, 2020 in PHP by Niroj
• 82,900 points
17,554 views
0 votes
1 answer

How to find the php.ini file from the command line?

Hello @kartik, You can get a full phpinfo() using : php ...READ MORE

May 19, 2020 in PHP by Niroj
• 82,900 points
17,497 views
0 votes
2 answers

How to use basic authorization in PHP curl?

If you are saying Basic authentication, then ...READ MORE

Jan 3, 2021 in PHP by Manas
• 140 points
8,759 views
0 votes
1 answer

error: mysqli_connect(): The server requested authentication method unknown to the client [caching_sha2_password] in...

Hello @kartik, Use this SQL command: ALTER USER 'mysqlUsername'@'localhost' ...READ MORE

Oct 27, 2020 in PHP by Niroj
• 82,900 points
10,082 views
0 votes
1 answer

Error:Failed to open stream : No such file or directory.

Hello @kartik, Go to the file to include ...READ MORE

Oct 1, 2020 in PHP by Niroj
• 82,900 points
10,823 views
0 votes
1 answer

How to get Root Directory Path of a PHP project?

Hello @kartik, Try $_SERVER['DOCUMENT_ROOT'] contains this path: D:/workspace In that case you ...READ MORE

Sep 1, 2020 in PHP by Niroj
• 82,900 points
12,014 views
0 votes
1 answer

How to Execute PHP function with onclick?

Hello @kartik, In javascript, make an ajax function, function ...READ MORE

Jun 16, 2020 in PHP by Niroj
• 82,900 points
15,029 views
0 votes
1 answer

How to see indexes for a database or table in MySQL?

Hello @kartik, To see the index for a ...READ MORE

Aug 18, 2020 in PHP by Niroj
• 82,900 points
11,826 views
0 votes
1 answer

How to resolve the problem of losing a session after a redirect in PHP?

Hello @kartik, Carry out these usual checks: Make sure session_start(); is ...READ MORE

Aug 24, 2020 in PHP by Niroj
• 82,900 points
11,194 views
0 votes
1 answer

How to get base url in laravel using php?

Hello @kartik, You can use the URL facade ...READ MORE

Sep 17, 2020 in PHP by Niroj
• 82,900 points
9,578 views
0 votes
1 answer

Error:PHP Warning: POST Content-Length of 8978294 bytes exceeds the limit of 8388608 bytes in Unknown on line 0

Hello @kartik, 8388608 bytes is 8M, the default ...READ MORE

Sep 17, 2020 in PHP by Niroj
• 82,900 points
8,979 views
0 votes
1 answer

How to get the Last Inserted Id Using Laravel Eloquent?

Hello @kartik, Firstly create an object, Then set ...READ MORE

Jul 22, 2020 in PHP by Niroj
• 82,900 points
10,862 views
0 votes
1 answer

How to connect to SQL Server database from JavaScript in the browser?

Hello @kartik, You shouldn´t use client javascript to ...READ MORE

Jul 21, 2020 in PHP by Niroj
• 82,900 points
10,822 views
0 votes
1 answer

How do I get the base URL with PHP?

Hello @kartik, Try this: <?php echo "http://" . $_SERVER['SERVER_NAME'] ...READ MORE

Sep 15, 2020 in PHP by Niroj
• 82,900 points
8,312 views
0 votes
1 answer

How to make PDF file downloadable in HTML link?

Hello @kartik, Try this: <a href="./directory/yourfile.pdf" download="newfilename">Download the pdf</a> Where newfilename is ...READ MORE

Aug 27, 2020 in PHP by Niroj
• 82,900 points
8,930 views
0 votes
1 answer

How to check file extension in upload form in PHP?

Hello @kartik, Using if( $ext !== 'gif') might not ...READ MORE

Nov 8, 2020 in PHP by Niroj
• 82,900 points
5,642 views
0 votes
1 answer

How to store values from foreach loop into an array?

Hello @kartik, Declare the $items array outside the loop and ...READ MORE

Sep 1, 2020 in PHP by Niroj
• 82,900 points
8,405 views
0 votes
1 answer

How to save DOMPDF generated content to file?

Hii, Try this: require_once("./pdf/dompdf_config.inc.php"); $files = glob("./pdf/include/*.php"); foreach($files as $file) include_once($file); $html ...READ MORE

Nov 13, 2020 in PHP by Niroj
• 82,900 points
5,088 views
0 votes
1 answer

How to call function of one php file from another php file and pass parameters to it?

Hello @kartik, Include the first file into the ...READ MORE

Aug 27, 2020 in PHP by Niroj
• 82,900 points
8,336 views
0 votes
1 answer

Error:Unknown column in 'field list' error on MySQL Update query

Hello @kartik, Enclose any string to be passed ...READ MORE

Aug 20, 2020 in PHP by Niroj
• 82,900 points
8,512 views
0 votes
1 answer

Fatal error: Class 'Illuminate\Foundation\Application' not found

Hello @kartik, Something is clearly corrupt in your ...READ MORE

Nov 5, 2020 in PHP by Niroj
• 82,900 points
5,013 views
0 votes
1 answer

How to get input field value using PHP?

Hello, Use PHP's $_POST or $_GET superglobals to retrieve the value of ...READ MORE

Nov 20, 2020 in PHP by Niroj
• 82,900 points
4,331 views
0 votes
1 answer

Fatal error: Constant expression contains invalid operations

Hello @kartik, This is because a static variable ...READ MORE

Nov 8, 2020 in PHP by Niroj
• 82,900 points
4,642 views
0 votes
1 answer

How do I remove quotes from a string?

Hello @kartik, Try this: str_replace('"', "", $string); str_replace("'", "", $string); Otherwise, ...READ MORE

Nov 16, 2020 in PHP by Niroj
• 82,900 points
4,166 views
0 votes
1 answer

How to return an array from an AJAX call?

Hello @kartik, Use JSON to transfer data types (arrays and ...READ MORE

Nov 14, 2020 in PHP by Niroj
• 82,900 points
4,182 views
0 votes
2 answers

How to catch curl errors in PHP?

For (PHP 4 >= 4.0.3, PHP 5, ...READ MORE

Nov 9, 2020 in PHP by anonymous
• 160 points
4,662 views
0 votes
1 answer

Error: The mbstring extension is missing. Please check your PHP configuration

Hii, Edit the php.ini file: change extension_dir = "ext" into extension_dir = "D:\php\ext" (please write ...READ MORE

Oct 30, 2020 in PHP by Niroj
• 82,900 points
4,074 views
0 votes
1 answer

How to upload and delete files from dropzone.js?

Hello, For deleting thumbnails you have to enable ...READ MORE

Nov 4, 2020 in PHP by Niroj
• 82,900 points
3,870 views
0 votes
1 answer

How to pass multiple variables to another page in url?

Hello @kartik, Use the ampersand & to glue variables together: $url ...READ MORE

Nov 23, 2020 in PHP by Niroj
• 82,900 points
3,005 views
0 votes
1 answer

How to receive JSON POST with PHP?

Hello @kartik, Try; $data = json_decode(file_get_contents('php://input'), true); print_r($data); echo $data["operacion"]; From your ...READ MORE

Sep 14, 2020 in PHP by Niroj
• 82,900 points
5,923 views
0 votes
1 answer

How to get original URL referer with PHP?

Hello @kartik, Store it either in a cookie or ...READ MORE

Sep 1, 2020 in PHP by Niroj
• 82,900 points
6,266 views
0 votes
1 answer

How can I access the MySQL command line with XAMPP for Windows?

Hello @kartik, Your MySQL binaries should be somewhere ...READ MORE

Aug 20, 2020 in PHP by Niroj
• 82,900 points
6,742 views
0 votes
1 answer

How can I ping a server port with PHP?

Hello, Try this : echo exec('ping -n 1 -w ...READ MORE

Nov 22, 2020 in PHP by Niroj
• 82,900 points
2,488 views
0 votes
1 answer

How to remove all special characters from a string?

Hello @kartik, This should do what you're looking ...READ MORE

Sep 17, 2020 in PHP by Niroj
• 82,900 points
5,284 views
0 votes
1 answer

How to Execute php file from another php?

Hello @kartik, It's trying to run it as ...READ MORE

Nov 18, 2020 in PHP by Niroj
• 82,900 points
2,599 views
0 votes
1 answer

Error:fetching http headers in SoapClient

Hello, This error is often seen when the default_socket_timeout value ...READ MORE

Nov 20, 2020 in PHP by Niroj
• 82,900 points
2,490 views
0 votes
1 answer

How can I use PHP to check if a directory is empty?

Hello @kartik, It seems that you need scandir instead of ...READ MORE

Nov 10, 2020 in PHP by Niroj
• 82,900 points
2,856 views
0 votes
1 answer

How do check if a PHP session is empty?

Hii, I would use isset and empty: session_start(); if(isset($_SESSION['blah']) && !empty($_SESSION['blah'])) { ...READ MORE

Nov 9, 2020 in PHP by Niroj
• 82,900 points
2,802 views
0 votes
1 answer

How to check if the request is an AJAX request with PHP?

Hello @kartik, Try below code snippet if(!empty($_SERVER['HTTP_X_REQUESTED_WITH']) ...READ MORE

Oct 29, 2020 in PHP by Niroj
• 82,900 points
3,143 views
0 votes
1 answer

How to send email with PHPMailer - embed image in body?

Hello @kartik, I found the answer: $mail->AddEmbeddedImage('img/2u_cs_mini.jpg', 'logo_2u'); and on ...READ MORE

Oct 22, 2020 in PHP by Niroj
• 82,900 points
3,353 views
0 votes
1 answer

Error:You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'TYPE=MyISAM' at line 9

Hello @kartik, Replace TYPE=MyISAM with ENGINE=MyISAM The problem was "TYPE=MyISAM" which should ...READ MORE

Nov 16, 2020 in PHP by Niroj
• 82,900 points
2,237 views
0 votes
1 answer

How to configuring a xampp web server for different root directory?

Hello @kartik, You can change Apaches httpd.conf by ...READ MORE

Oct 20, 2020 in PHP by Niroj
• 82,900 points
3,293 views
0 votes
1 answer

Error:PDOException could not find driver

Hello @kartik, You need to have a module ...READ MORE

Sep 14, 2020 in PHP by Niroj
• 82,900 points
4,824 views
0 votes
1 answer

Error:PHP Notice: Undefined offset: 1

Hello @kartik, Change $data[$parts[0]] = $parts[1]; to if ( ! isset($parts[1])) ...READ MORE

Oct 20, 2020 in PHP by Niroj
• 82,900 points
3,211 views