The array_merge() is a builtin function in PHP and is used to merge two or more arrays into a single array. This function is used to merge the elements or values of two or more arrays together into a single array. The merging occurs in such a manner that the values of one array are appended at the end of the previous array. The function takes the list of arrays separated by commas as a parameter that are needed to be merged and returns a new array with merged values of arrays passed in parameter....

The header() function is an inbuilt function in PHP which is used to send a raw HTTP header. The HTTP functions are those functions which manipulate information sent to the client or browser by the Web server, before any other output has been sent. The PHP header() function send a HTTP header to a client or browser in raw form. Before HTML, XML, JSON or other output has been sent to a browser or client, a raw data is sent with request (especially HTTP Request) made by the server as header information. HTTP header provide required information about the object sent in the message body more precisely about the request and response....

In this article, we will see how to search the specific value in an array & corresponding return the key using the array_search() function in PHP, & will also understand its implementation through the examples. The array_search() is an inbuilt function in PHP that is used to search for a particular value in an array, and if the value is found then it returns its corresponding key. If there are more than one values then the key of the first matching value will be returned....

Encoding and decoding URLs in JavaScript is essential for web development, especially when making GET requests with query parameters. This process ensures special characters in URLs are correctly interpreted by the server. For instance, spaces are converted to %20 or + in URLs. This guide covers how to use JavaScript functions like encodeURI(), encodeURIComponent(), escape(), decodeURI(), decodeURIComponent(), and unescape() for effective URL encoding and decoding....

Function overloading is a feature of object-oriented programming where two or more functions can have the same name but different parameters. When a function name is overloaded with different jobs it is called Function Overloading. In Function Overloading “Function” name should be the same and the arguments should be different....

To set up a 404 page in the angular routing, we have to first create a component to display whenever a 404 error occurred. In the following approach, we will create a simple angular component called PagenotfoundComponent....

The array_sum() function returns the sum of all the values in an array(one dimensional and associative). It takes an array parameter and returns the sum of all the values in it....

A function is a block of code written in a program to perform some specific task. We can relate functions in programs to employees in a office in real life for a better understanding of how functions work. Suppose the boss wants his employee to calculate the annual budget. So how will this process complete? The employee will take information about the statistics from the boss, performs calculations and calculate the budget and shows the result to his boss. Functions works in a similar manner. They take informations as parameter, executes a block of statements or perform operations on this parameters and returns the result. PHP provides us with two major types of functions:...

Pre-requisite: Global and Local variables in JavaScript...

In this article, we will discuss how to find the index of an element in an array in PHP. Array indexing starts from 0 to n-1. We can get the array index by using the array_search() function. This function is used to search for the given element. It will accept two parameters....

To create a static variable in JavaScript, you can use a closure or a function scope to encapsulate the variable within a function. This way, the variable maintains its state across multiple invocations of the function....

In this article, we will extract numbers from strings using PHP. There are various built-in methods to extract numbers from strings, some of them are discussed below....