Most voted questions in PHP

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1 answer

How to resolve “must be an instance of string, string given” prior to PHP 7?

Hello, Prior to PHP 7 type hinting can only be ...READ MORE

Apr 20, 2020 in PHP by I Navin
 • 220 points • 5,635 views
0 votes
1 answer

How to set up file permissions for Laravel?

Hello @kartik, The permissions for the storage and vendor folders should stay ...READ MORE

Apr 20, 2020 in PHP by I Navin
 • 220 points • 4,694 views
0 votes
1 answer

How to clear APC cache entries?

Hello @kartik, You can use the PHP function ...READ MORE

Apr 15, 2020 in PHP by Niroj
 • 82,800 points • 1,551 views
0 votes
1 answer

How to implement a callback in PHP?

Hello, Implementation of a callback is done like ...READ MORE

Apr 15, 2020 in PHP by Niroj
 • 82,800 points • 1,356 views
0 votes
1 answer

Error:SSL certificate error: unable to get local issuer certificate

Hii, If you don't have access to php.ini, adding ...READ MORE

Apr 15, 2020 in PHP by Niroj
 • 82,800 points • 2,081 views
0 votes
1 answer

How to get current route in Symfony 2?

Hii,  The easiest way to do this: class MyController ...READ MORE

Apr 15, 2020 in PHP by Niroj
 • 82,800 points • 1,874 views
0 votes
1 answer

How to merge two arrays while keeping keys instead of reindexing?

Hello, Considering that you have $replaced = array('1' => ...READ MORE

Apr 15, 2020 in PHP by Niroj
 • 82,800 points • 3,004 views
0 votes
1 answer

What is the best way to allow plugins for a PHP application?

Hello @kartik, I've used, it's an attempt to ...READ MORE

Apr 15, 2020 in PHP by Niroj
 • 82,800 points • 1,079 views
0 votes
1 answer

I am trying to run following command But I end up with an error :

Hello Nishant, You are getting this error because your ...READ MORE

Apr 9, 2020 in PHP by Niroj
 • 82,800 points • 1,149 views
0 votes
1 answer

How to include a PHP variable inside a MySQL statement?

Hii, You can try this: $query="SELECT * FROM CountryInfo ...READ MORE

Apr 9, 2020 in PHP by Niroj
 • 82,800 points • 17,917 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
 • 82,800 points • 21,532 views
0 votes
1 answer

How to log in to phpMyAdmin with WAMP?

Hello @kartik,  Try-Username: root Password: (No password set). Sometimes it doesn't ...READ MORE

Apr 9, 2020 in PHP by Niroj
 • 82,800 points • 7,774 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
 • 82,800 points • 12,834 views
0 votes
1 answer

What is the use of the @ symbol in PHP?

Hello @kartik, The @ symbol is the error control operator ("silence" or "shut-up" ...READ MORE

Apr 9, 2020 in PHP by Niroj
 • 82,800 points • 12,830 views
0 votes
1 answer

SQL injection that gets around mysql_real_escape_string()?

Hello @kartik, Consider the following query: $iId = mysql_real_escape_string("1 ...READ MORE

Apr 9, 2020 in PHP by Niroj
 • 82,800 points • 4,360 views
0 votes
0 answers

What are the differences in die() and exit() in PHP?

I think both have the same functionality, ...READ MORE

Apr 8, 2020 in PHP by kartik
 • 37,520 points • 1,093 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
 • 82,800 points • 7,377 views
0 votes
1 answer

How to pass an array within a query string?

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

Apr 8, 2020 in PHP by Niroj
 • 82,800 points • 13,004 views
0 votes
2 answers

How to override trait function and call it from the overridden function?

instead of: return traitcalc($v); use this: ...READ MORE

Dec 13, 2020 in PHP by Uncle Nick
 • 4,271 views
0 votes
1 answer

How to get xdebug var_dump to show full object/array?

Hello. These are configurable variables in php.ini: ; with ...READ MORE

Apr 7, 2020 in PHP by Niroj
 • 82,800 points • 4,221 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
 • 82,800 points • 11,788 views
0 votes
1 answer

What does double question mark (??) operator mean in PHP?

Hello, It's the "null coalescing operator", added in ...READ MORE

Apr 2, 2020 in PHP by Niroj
 • 82,800 points • 8,159 views
0 votes
1 answer

Composer install error - requires ext_curl when it's actually enabled?

Hello, on php7 run for example: > sudo apt-get ...READ MORE

Apr 2, 2020 in PHP by Niroj
 • 82,800 points • 17,411 views
0 votes
0 answers

How to compile PHP code and upload a binary-ish file, which will just be run by the byte code interpreter?

PHP is compiled to byte code before ...READ MORE

Apr 2, 2020 in PHP by kartik
 • 37,520 points • 3,326 views
0 votes
1 answer

Error:PDOException SQLSTATE[HY000] [2020] No such file or directory in php?

Hello, I checked php -i | grep pdo and noticed ...READ MORE

Apr 2, 2020 in PHP by Niroj
 • 82,800 points • 1,767 views
0 votes
1 answer

How to prevent XSS with HTML/PHP?

Hello, HTML Encoding htmlspecialchars will convert any "HTML special characters" ...READ MORE

Apr 1, 2020 in PHP by Niroj
 • 82,800 points • 1,326 views
0 votes
1 answer

How to merge two arrays while keeping keys instead of reindexing in php?

Hello, Considering that you have $replaced = array('1' => ...READ MORE

Apr 1, 2020 in PHP by Niroj
 • 82,800 points • 3,451 views
0 votes
1 answer

What are the best way to allow plugins for a PHP application?

Hii, Here is an approach I have  used, it's ...READ MORE

Apr 1, 2020 in PHP by Niroj
 • 82,800 points • 979 views
0 votes
1 answer

How to convert an image to base64 encoding?

Hello @kartik, You can also do this via ...READ MORE

Apr 1, 2020 in PHP by Niroj
 • 82,800 points • 4,523 views
0 votes
1 answer

How to send email using php?

Hello @kartik 1.) Download PHPMailer, open the zip file ...READ MORE

Apr 1, 2020 in PHP by Niroj
 • 82,800 points • 1,669 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
 • 82,800 points • 3,997 views
0 votes
1 answer

How to check if php session is already started or not?

Hello kartik, Use session_id(), it returns an empty string ...READ MORE

Apr 1, 2020 in PHP by Niroj
 • 82,800 points • 6,351 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
 • 82,800 points • 38,221 views
0 votes
1 answer

How to get thumbnail of youtube video from youtube API?

Hii @kartik, If you want the biggest image ...READ MORE

Apr 1, 2020 in PHP by Niroj
 • 82,800 points • 1,877 views
0 votes
1 answer

What is the use of $_REQUEST variable in php?

Hii @kartik, The $_REQUEST variable is used to read the ...READ MORE

Mar 27, 2020 in PHP by Niroj
 • 82,800 points • 4,017 views
0 votes
1 answer

How can you upload a file using PHP?

Hello, To upload a file by using PHP, ...READ MORE

Mar 27, 2020 in PHP by Niroj
 • 82,800 points • 1,130 views
0 votes
2 answers

How can we create a session in PHP?

Hello, niroj. Here is my idea session_start(); $_SESSION['USERNAME'] ...READ MORE

Dec 7, 2020 in PHP by Famous
 • 140 points • 1,681 views
0 votes
1 answer

What are the differences between mysqli_connect and mysqli_pconnect?

Hello, mysqli_pconnect() function is used for making a persistence ...READ MORE

Mar 27, 2020 in PHP by Niroj
 • 82,800 points • 4,327 views
0 votes
1 answer

How to retrieve or obtain data from the MySQL database using PHP?

Hello kartik,  Actually there are many functions that  ...READ MORE

Mar 27, 2020 in PHP by Niroj
 • 82,800 points • 3,840 views
0 votes
1 answer

Connection with MySQL server using PHP. How can we do that?

Hey @kartik, You have to provide MySQL hostname, ...READ MORE

Mar 27, 2020 in PHP by Niroj
 • 82,800 points • 1,709 views
0 votes
1 answer

What is type casting and type juggling in php?

Hey, The way by which PHP can assign ...READ MORE

Mar 27, 2020 in PHP by Niroj
 • 82,800 points • 7,510 views
0 votes
1 answer

What is meant by passing the variable by value and reference in PHP?

Hello, When the variable is passed as value ...READ MORE

Mar 27, 2020 in PHP by Niroj
 • 82,800 points • 3,610 views
0 votes
0 answers

How to Upload Aws lightsail increase upload size

Aws lightsail wordpress increase upload size limit ...READ MORE

Mar 16, 2020 in PHP by anonymous
 • 120 points • 1,792 views
0 votes
1 answer

What is Php Mysql Database? How php connect to database?

Hello kartik, MySQL is the most popular database ...READ MORE

Feb 25, 2020 in PHP by Dey
 • 1,466 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
 • 4,184 views
0 votes
1 answer

Error: Global Variable is not accessable to local function

Hey kartik, A variable declared outside a function has a ...READ MORE

Feb 19, 2020 in PHP by Niroj
 • 82,800 points • 1,383 views
0 votes
1 answer

Complete PHP form with proper validation and syntax

Hey @kartik, It's quite simple to have php ...READ MORE

Feb 19, 2020 in PHP by Niroj
 • 82,800 points • 1,893 views
0 votes
1 answer

What is Php json?

Hii @kartik, JSON stands for JavaScript Object Notation, ...READ MORE

Feb 14, 2020 in PHP by Niroj
 • 82,800 points • 812 views
0 votes
1 answer

How to validate E-mail and URL of Php form?

hey, The code below shows a simple way ...READ MORE

Feb 13, 2020 in PHP by manish
 • 2,695 views
0 votes
1 answer

What is a Cookie? How to create Cookies With PHP?

A cookie is often used to identify ...READ MORE

Feb 13, 2020 in PHP by Niroj
 • 82,800 points • 4,133 views
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