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
• 82,580 points
13,675 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
• 82,580 points
8,465 views
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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
• 82,580 points
8,462 views
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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
• 82,580 points
6,273 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
• 82,580 points
5,419 views
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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
• 82,580 points
4,976 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
• 82,580 points
4,948 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
• 82,580 points
4,917 views
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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
• 82,580 points
4,640 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
• 82,580 points
4,581 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
• 82,580 points
4,222 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
• 82,580 points
4,195 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
• 82,580 points
3,709 views
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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
• 82,580 points
3,705 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
• 82,580 points
3,545 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
• 82,580 points
3,323 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
• 82,580 points
3,254 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
• 82,580 points
3,124 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
• 82,580 points
2,954 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
• 82,580 points
2,922 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
• 82,580 points
2,869 views
0 votes
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
2,828 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
• 82,580 points
2,824 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
• 82,580 points
2,756 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
• 82,580 points
2,739 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
• 82,580 points
2,604 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
• 82,580 points
2,496 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
• 82,580 points
2,372 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
• 82,580 points
2,357 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
• 82,580 points
2,328 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
• 82,580 points
2,227 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
• 82,580 points
2,128 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
• 82,580 points
2,110 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
• 82,580 points
2,102 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
• 82,580 points
2,019 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
1,987 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
• 82,580 points
1,986 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
• 82,580 points
1,933 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
• 82,580 points
1,909 views
0 votes
1 answer

How to shrink Navigation menu or bar on Scroll?

Hey, You can follow the steps below in ...READ MORE

Feb 19, 2020 in PHP by varun
1,836 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
1,794 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
• 82,580 points
1,742 views
0 votes
1 answer

How to install a specific version of package using Composer?

Hello, Just use php composer.phar require For example : php ...READ MORE

Apr 1, 2020 in PHP by Niroj
• 82,580 points
1,742 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
• 82,580 points
1,598 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
• 82,580 points
1,531 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
• 82,580 points
1,529 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
• 82,580 points
1,520 views
0 votes
1 answer

Error:Undefined index: barangay in C:\xampp\htdocs\TextBlast\homepage\insert.php on line 22

Hello @ Regina, First checks whether a variable is ...READ MORE

Aug 14, 2020 in PHP by Niroj
• 82,580 points
1,515 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
• 82,580 points
1,488 views