Introduction A class can extend another class and can implement one and more than one Java interface. Also, this topic has...

Association is a relation between two separate classes which is established through their Objects. Association can be one-to-one, one-to-many, many-to-one,...

Introduction In Java, Method Overloading allows different methods to have the same name, but different signatures where the signature can...

Introduction In Java, Overriding is a feature that allows a subclass or child class to provide a specific implementation of...

What is Java? Java is a programming language and a platform. Java is a high level, robust, object-oriented and secure programming language. It...

Anonymous Functions Introduction Anonymous recursive function is a type of recursion in which function does not explicitly call another function...

sort() Syntax sort( array &$array, int $flags = SORT_REGULAR): bool $array is the input array to sort. $flags argument is one or...

Creating arrays Using array() construct Syntax: <?php $empty_array = array(); Ex: Using the [] syntax PHP provides a more convenient...

Introduction A multidimensional array is an array containing one or more arrays. PHP supports multidimensional arrays that are two, three,...

Table of Contents Function Description array() Creates an array array_change_key_case() Changes all keys in an array to lowercase or uppercase...