Latest questions in PHP

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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 8, 2020 in PHP by Niroj
• 82,680 points
874 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 8, 2020 in PHP by Niroj
• 82,680 points
969 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
• 37,490 points
125 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
• 82,680 points
3,395 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 7, 2020 in PHP by Niroj
• 82,680 points
5,998 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
992 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
• 82,680 points
686 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
• 82,680 points
3,284 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
• 82,680 points
1,698 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
• 82,680 points
1,628 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
• 37,490 points
1,109 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
• 82,680 points
334 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
• 82,680 points
278 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
• 82,680 points
203 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
• 82,680 points
180 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
• 82,680 points
1,055 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
• 82,680 points
235 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
• 82,680 points
2,079 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
• 82,680 points
1,562 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
• 82,680 points
16,911 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
• 82,680 points
728 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
• 82,680 points
292 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
• 82,680 points
132 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
168 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
• 82,680 points
978 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
• 82,680 points
398 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
• 82,680 points
169 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
• 82,680 points
1,077 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
• 82,680 points
412 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
534 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
252 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
1,991 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
• 82,680 points
155 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
• 82,680 points
266 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
• 82,680 points
129 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
557 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
• 82,680 points
999 views
0 votes
1 answer

How can you display the error messages?

Hey, In the HTML form, we add ...READ MORE

Feb 13, 2020 in PHP by Niroj
• 82,680 points
128 views
0 votes
1 answer

How to Validate Form Data With PHP?

Hey @kartik, The first thing we will do ...READ MORE

Feb 13, 2020 in PHP by Niroj
• 82,680 points
546 views
0 votes
1 answer

How can we avoid my php form from hacking?

Hii @kartik, If you want to know php ...READ MORE

Feb 13, 2020 in PHP by Niroj
• 82,680 points
754 views
0 votes
1 answer

What are the vulnerability related to PHP Form?

Hii, The $_SERVER["PHP_SELF"] variable can be used by ...READ MORE

Feb 13, 2020 in PHP by Niroj
• 82,680 points
331 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
2,239 views