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4 followers study24x7 16 Aug 2024 10:51 AM study24x7 study24x7

What is a class in PHP OOPs?
Ans. A class in OOPS decides the behavior of an object, as well as what an object can contain. Using the class, the programmers can create specific objects. The class is declared using the class keyword, along w...

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4 followers study24x7 16 Aug 2024 10:51 AM study24x7 study24x7

What is OOPS in PHP?
Ans. When functions are used to perform operations in a program, it is called procedural PHP programming language. When objects are created with data and functions, it is called OOPS in PHP.

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4 followers study24x7 16 Aug 2024 10:30 AM study24x7 study24x7

What things would you consider before naming a variable in PHP?
Ans. Here are some of the rules you must follow before naming variables in PHP: *A variable in PHP must start with a $. *A variable in PHP must end with the name of the variable...

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4 followers study24x7 16 Aug 2024 10:28 AM study24x7 study24x7

How to export data into Excel files in PHP?
Ans. With the help of a .csv file and using a separator between fields, data can be exported into Excel files in PHP.

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4 followers study24x7 14 Aug 2024 10:36 AM study24x7 study24x7

What is type hinting in PHP?
Ans. The type hinting was introduced in PHP 5. It is used to specify the data type for function declaration in PHP like arrays, objects, etc. When the function is not of a specified type, the run time will show ...

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4 followers study24x7 14 Aug 2024 10:35 AM study24x7 study24x7

What are GET and POST in PHP?
Ans. GET: It is used to display the data submitted as a part of the URL, and it allows only ASCII data. It can handle up to 2048 characters and is used to retrieve data. POST: The information is ...

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4 followers study24x7 14 Aug 2024 10:31 AM study24x7 study24x7

What are ksort() and usort() functions in PHP?
Ans. Both the functions are used to sort associative arrays in PHP. ksort(): It is a function that is used to sort arrays according to key values. asort(): It i...

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4 followers study24x7 13 Aug 2024 10:40 AM study24x7 study24x7

What is Mbstring in PHP?
Ans. It is an extension that is used to handle strings that are non-ASCII. It provides multibyte-specific string functions used for multibyte encoding. If there are more than 256 characters present in a byte-wise codi...

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4 followers study24x7 13 Aug 2024 10:39 AM study24x7 study24x7

What is hashing password in PHP?
Ans. It is a method in PHP to transform a single password into a string with a hashed password. This process can only be done one way, and the hashed passwords can not be moved to the original ones. Hashing ...

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4 followers study24x7 13 Aug 2024 10:38 AM study24x7 study24x7

How would you display the output of a program directly in the browser?
Ans. Special tags are used to display output directly to the browser.

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4 followers study24x7 09 Aug 2024 09:49 AM study24x7 study24x7

What is the role of the lambda function used in PHP?
Ans. A lambda function is used to store the data into the variables and then pass that data to arguments for the usage in various other functions and methods. This is also used to store da...

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4 followers study24x7 09 Aug 2024 09:49 AM study24x7 study24x7

What is Smarty in PHP?
Ans. It is a template engine that is written in PHP. Smarty will include variables and operators to allow adaptability in the particular templates. In PHP, Smarty is used to separate the concerns. It simplifies the pro...

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4 followers study24x7 09 Aug 2024 09:39 AM study24x7 study24x7

How to make cookies in PHP?
Ans. The cookie is a small piece of information stored in the client browser used to recognize the user. When a client requests to the server on a site, the cookie is embedded with the request in PHP. The setcooki...

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4 followers study24x7 08 Aug 2024 10:40 AM study24x7 study24x7

What is type juggling in PHP?
Ans. When the type of the variable is changed on the basis of the assigned value, it is called type juggling in PHP.

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4 followers study24x7 08 Aug 2024 10:40 AM study24x7 study24x7

What are php.ini and .htaccess files in PHP?
Ans. These files are used to make changes in PHP settings. php.ini file: When PHP runs as CGI, these files are used. These files can be used as default settings or editing a PHP f...

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4 followers study24x7 08 Aug 2024 10:39 AM study24x7 study24x7

How to execute PHP with Apache/ Nginx?
Ans. Web servers are not designed to understand and parse PHP files. There are additional programs that are used to do that. Here are some ways to execute PHP with Apache/ Nginx: Mod_php:

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4 followers study24x7 07 Aug 2024 10:30 AM study24x7 study24x7

What is the difference between $message and $$message in PHP?
Ans. $message is a regular variable, and data stored in this is fixed. Whereas, $$message is a reference variable, and data stored can be changed dynamically. $message has a fi...

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4 followers study24x7 07 Aug 2024 10:28 AM study24x7 study24x7

What do you understand by cURL in PHP?
Ans. It is a library in PHP that is used for making HTTP requests from the server. The Client URL or cURL allows users to connect to a URL and retrieve data from the HTML page, header, and other data.

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4 followers study24x7 07 Aug 2024 10:28 AM study24x7 study24x7

What is Path Traversal in PHP?
Ans. It is an attack to read the files of a web application. This attack is also called a dot-dot-slash (../) attack to climb to a higher-level directory. Path traversal in PHP is done to gain access to password...

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4 followers study24x7 06 Aug 2024 10:11 AM study24x7 study24x7

What is PDO in PHP?
Ans. PDO stands for PHP Data Object. It is a PHP extension with a core PDO class and drivers that are database specific. PDO drivers can be accessed with the help of the PDO extension. PHP PDO has a data-access abstractio...

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