Most viewed questions in PHP

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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
• 82,720 points
18,107 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
• 82,720 points
11,604 views
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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
• 82,720 points
10,986 views
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1 answer

PHP undefined key and variable

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

Dec 29, 2020 in PHP by anonymous
• 65,870 points
10,046 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
• 82,720 points
7,635 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
• 82,720 points
7,340 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
• 82,720 points
7,288 views
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1 answer

How to get the Last Inserted Id Using Laravel Eloquent?

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

Jul 21, 2020 in PHP by Niroj
• 82,720 points
6,962 views
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1 answer

How to pass an array within a query string?

Hello, Submitting multi-value form fields, i.e. submitting arrays ...READ MORE

Apr 7, 2020 in PHP by Niroj
• 82,720 points
6,312 views
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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
• 82,720 points
6,273 views
0 votes
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
• 82,720 points
6,179 views
0 votes
1 answer

Error:Lost connection to MySQL server at 'reading initial communication packet', system?

Hello, You have to follow the below steps: bind-address ...READ MORE

Apr 9, 2020 in PHP by Niroj
• 82,720 points
5,943 views
0 votes
1 answer

How to call a php function from ajax?

Hello @kartik, You can't call a PHP function ...READ MORE

Jun 16, 2020 in PHP by Niroj
• 82,720 points
5,902 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

Aug 31, 2020 in PHP by Niroj
• 82,720 points
5,764 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
• 82,720 points
5,690 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
• 82,720 points
5,674 views
0 votes
1 answer

How to post the parameter in ajax call of jquery datatable?

Hello @kartik, Just pass it like a normal ...READ MORE

Jun 16, 2020 in PHP by Niroj
• 82,720 points
5,570 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
• 82,720 points
4,981 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
• 82,720 points
4,887 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
• 82,720 points
4,834 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
• 82,720 points
4,772 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
• 82,720 points
3,908 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
• 82,720 points
3,770 views
0 votes
1 answer

How can I get ID of the last updated row in MySQL?

Hello @kartik, Suppose, item_id is an integer identity column in items table ...READ MORE

Apr 9, 2020 in PHP by Niroj
• 82,720 points
3,705 views
0 votes
1 answer

How to do error logging in CodeIgniter ?

Hello @kartik, CodeIgniter has some error logging functions ...READ MORE

May 19, 2020 in PHP by Niroj
• 82,720 points
3,631 views
0 votes
1 answer

Error:Cannot insert explicit value for identity column in table 'table' when IDENTITY_INSERT is set to OFF.

Hello @kartik, You're inserting values for OperationId that is an identity ...READ MORE

Jul 21, 2020 in PHP by Niroj
• 82,720 points
3,617 views
0 votes
1 answer

How to get the client IP address in PHP ?

Hello, Here is a code sample of a good ...READ MORE

Apr 8, 2020 in PHP by Niroj
• 82,720 points
3,513 views
0 votes
1 answer

How can I handle the warning of file_get_contents() function in PHP?

Hello @kartik, This is fairly simple: if (!$data = ...READ MORE

Apr 7, 2020 in PHP by Niroj
• 82,720 points
3,492 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
• 82,720 points
3,477 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
• 82,720 points
3,448 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
• 82,720 points
3,415 views
0 votes
1 answer

Error: unexpected T_STRING, expecting T_CONSTANT_ENCAPSED_STRING

Hello @kartik, Make sure they are running Latest ...READ MORE

May 8, 2020 in PHP by Niroj
• 82,720 points
3,248 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
• 82,720 points
3,140 views
0 votes
1 answer

Error:Notice: Array to string conversion in C:\xampp\htdocs\Niroj\FinalSubmissionOfTheFormPHP.php on line 8

Hello @kartik, When you have many HTML inputs ...READ MORE

Aug 27, 2020 in PHP by Niroj
• 82,720 points
3,065 views
0 votes
1 answer

Error:“Connection for controluser as defined in your configuration failed” with phpMyAdmin in XAMPP

Hii, I edited /etc/phpmyadmin/config.inc.php and changed the following ...READ MORE

Apr 20, 2020 in PHP by Niroj
• 82,720 points
2,935 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
• 82,720 points
2,934 views
0 votes
1 answer

How to remove MySQL root password?

Hello @kartik, You need to set the password ...READ MORE

Aug 19, 2020 in PHP by Niroj
• 82,720 points
2,879 views
0 votes
2 answers

How to use basic authorization in PHP curl?

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

Jan 3 in PHP by Manas
• 140 points
2,822 views
0 votes
1 answer

Error:PDOException could not find driver

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

Sep 13, 2020 in PHP by Niroj
• 82,720 points
2,789 views
0 votes
1 answer

How MySQL date format DD/MM/YYYY select query?

Hello @kartik, You can use STR_TO_DATE() to convert your strings ...READ MORE

Aug 26, 2020 in PHP by Niroj
• 82,720 points
2,719 views
0 votes
1 answer

How to convert timestamp to date in MySQL query?

Hello @kartik, Try this: DATE_FORMAT(FROM_UNIXTIME(`user.registration`), '%e %b %Y') AS ...READ MORE

Aug 19, 2020 in PHP by Niroj
• 82,720 points
2,705 views
0 votes
1 answer

How to configure XAMPP to send mail from localhost?

Hello @kartik, You can send mail from localhost ...READ MORE

Sep 13, 2020 in PHP by Niroj
• 82,720 points
2,697 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

Aug 31, 2020 in PHP by Niroj
• 82,720 points
2,694 views
0 votes
1 answer

How do you Encrypt and Decrypt a PHP String?

Hello @kartik, Use openssl_encrypt and openssl_decrypt You can do something like: $string_to_encrypt="Test"; $password="password"; $encrypted_string=openssl_encrypt($string_to_encrypt,"AES-128-ECB",$password); $decrypted_string=openssl_decrypt($encrypted_string,"AES-128-ECB",$password); Hope it ...READ MORE

Sep 13, 2020 in PHP by Niroj
• 82,720 points
2,548 views
0 votes
1 answer

How do I escape a single quote in SQL Server?

Hello @kartik, Single quotes are escaped by doubling ...READ MORE

Jul 21, 2020 in PHP by Niroj
• 82,720 points
2,534 views
0 votes
2 answers

Define a SQL query? What is the difference between SELECT and UPDATE Query? How do you use SQL in SAS?

HI.. SQL is Structured Query Language, which is ...READ MORE

Aug 8, 2020 in PHP by anonymous
2,372 views
0 votes
1 answer

How to delete object from array inside foreach loop?

Hello @kartik, Use this: foreach($array as $elementKey => $element) ...READ MORE

Sep 15, 2020 in PHP by Niroj
• 82,720 points
2,310 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
• 82,720 points
2,289 views
0 votes
2 answers

Error:“Cannot Connect to Server - A network-related or instance-specific error”?

Hello, The "sql server error 40" is appears mostly ...READ MORE

Aug 18, 2020 in PHP by Fantazma
• 140 points
2,251 views