Posts Tagged with 'PHP'
How will you check if a file exists or not using PHP?
PHP | file_exists( ) Function The file's existence can be confirmed using the file_exist() function which takes the file name as an argument. file_exist("abc.jpg") The file_exists() function is an inbuilt function in PHP that …
How can you tell if a number is even or odd without using any condition or loop?
PHP | check whether a number is even or odd A trick to check whether a number is even or odd without using any condition or loop. <?php $arr=array("0"=>"Even","1"=>"Odd"); $check=13; echo "Your number is: ".$arr[$check%2]; …
What is the difference between a session and cookies in PHP?
Session V/S Cookies A cookie is an array of data stored by the browser on the client location and sent to the server with every request. It stores a limited amount of data about 4kb(i.e.: 4096 …
Write a example code showing the nested ternary conditional operator in PHP?
PHP | Nested ternary conditional operator An example code showing the nested ternary conditional operator in PHP. <?php $background_color = ($num == 0 ? 'blue' : ($num > 0 ? 'green' : 'red')); ?> Here …
Convert Object To Array in PHP
PHP | Convert Object To Array Converting an object to an array is a small thing that can be achieved by a single line of code. For this purpose, we need to use typecasting. Typecasting …
Converting array of objects to array in php
PHP | Converting array of objects to array Array of objects look like this: Array ( [0] => stdClass Object ( [id] => 1 [name] => Ram [roll] => 12 ) [1] => stdClass Object ( …
Sort an array of arrays by date in PHP
PHP | Sort an array of arrays by date in PHP Here a situation in which we have to sort an array of the array by date. An array of arrays is a multidimensional array in …
How to find the length of a string in PHP?
PHP | Length of a string There is a string function called strlen() which is used to find the length of a string. It accepts a string that returns the length of the given string. …
How will you concatenate two strings in PHP?
PHP | Combine two strings There are several ways to concatenate two strings in PHP. Use the concatenation operator [.] and [.=] There are two string operators that are used for concatenation. [.]: Concatenation operator …
How can we remove duplicate value from an array in php?
PHP | Remove duplicate value from an array Duplicate value can remove from an array by using the array_unique function. If two or more array values are the same, the first appearance will be kept …
What is access specifiers in php?
PHP | Access specifiers An access specifier is a code element that is used to determine which part of the program is allowed to access a particular variable or other information. There are three …
What is php.ini and .htaccess file?
php.ini and .htaccess file Both php.ini and .htaccess file is the configuration file. php.ini: It is a configuration file for php setting. It is a special file by which you can make changes in PHP …
what are php magic fuction?
PHP | magic function In PHP all functions start with __ names are magical functions. Magical functions always live in a PHP class. The definition of the magical function is defined by the programmer itself. …
what is list in php?
List List is a language construct and is similar to an array. It is used to assign a list of variables in one operation. If you are using PHP 5, then the list values start …
what is Cross-site scripting?
Cross-site scripting (XSS) Cross-site scripting (XSS) is a type of computer security vulnerability typically found in web applications. XSS enables attackers to inject client-side script into web pages viewed by other users. A cross-site scripting …