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The properties or variables defined inside a class are called as Attributes. An attribute provides information about the type of data a class contains. There are two types of attributes in Python namely instance attribute and class attribute. The instance attribute is defined within the constructor of a Python class and is unique to each instance of the class. […]
One of the built-in functions in PHP is the var_dump() function. This function displays structured information such as type and the value of one or more expressions given as arguments to this function. This function returns all the public, private and protected properties of the objects in the output. The dump information about arrays and […]
Python is an object-oriented programming language, which means that it is based on principle of OOP concept. The entities used within a Python program is an object of one or another class. For instance, numbers, strings, lists, dictionaries, and other similar entities of a program are objects of the corresponding built-in class. In Python, a class […]
In PHP, both echo and print statements are used to render the output either on the browser or the PHP console. Both of them are not functions but they are language constructs. Hence, parentheses should not be used with either of them. The “echo” Statement in PHP The echo statement is used with following syntax − The echo statement outputs one or more […]
A variable in PHP is a named memory location that holds data belonging to one of the data types. Variables are assigned with the “=” operator, with the variable on the left hand side and the expression to be evaluated on the right. No Need to Specify the Type of a Variable PHP is a […]
A comment in any computer program (such as a PHP program) is a certain explanatory text that is ignored by the language compiler/interpreter. Its purpose is to help the user understand the logic used in the program algorithm. Although placing comments in the code is not essential, it is a highly recommended practice. The comments […]
Conventionally, learners write a “Hello World” program as their first program when learning a new language or a framework. The objective is to verify if the software to be used has been installed correctly and is working as expected. To run a Hello World program in PHP, you should have installed the Apache server along […]
The syntax rules of PHP are very similar to C Language. PHP is a server side scripting language. A PHP code is stored as a text file with “.php” extension. A “.php” file is essentially a web page with one or more blocks of PHP code interspersed in the HTML script. However, it must be […]
PHP (Hypertext Preprocessor) is an open-source server-side scripting language primarily used for web development. PHP can be embedded into HTML code. PHP is mainly used for server-side scripting, which runs scripts on the web server and then forwards the HTML they process to the web browser on the client. This makes it possible for programmers […]
PHP started out as a small open-source project that evolved gradually as more and more people found out how useful it was. Rasmus Lerdorf released the first version of PHP way back in 1994. At that time, PHP stood for Personal Home Page, as he used it to maintain his personal homepage. Later on, he […]