PHP is an advanced web development programming language which is used in two ways: one is command line interface(CLI) and the other one is a combination of web frameworks.
Become an expert developer by enrolling into PHP Training offered by SK Trainings. Our professional PHP trainer will help you gain detailed knowledge of all the concepts required to become a PHP developer. In this PHP Course Training From Hyderabad you will gain knowledge of concepts such as conditional statements, Logic in PHP, Loop statements and much more. During the training you will be involved in the web development tasks to gain practical exposure. Get the best PHP training by enrolling into SK Trainings.
PHP is a popular web development programming language and it stands for Hypertext Preprocessor. PHP is widely used in two ways one is Command Line Interface (CLI) and the other way the PHP can be used in combination with web frameworks, web templates, web management systems etc. Despite web development works the PHP can also be used in web contexts such as standalone graphical applications and robotic drone control. Get the PHP Course from the expert trainers by joining SK Trainings.
The main objective of this PHP course is to make you expert in the following areas:
To attend this PHP online training course you need to have knowledge of the below areas:
Whoever is interested in starting their career in the web development can join this course
Following are the companies which are recruiting PHP developers :
Yes, upon the successful completion of the PHP training you will receive the course completion certificate from SK Trainings. This certificate is valid across all the top MNCs and simplifies your job search process.
PEAR is a framework and repository for reusable PHP components. PEAR stands for PHP Extension and Application Repository. It contains all types of PHP code snippets and libraries. It also provides a command line interface to install “packages” automatically.
PHP is partially case sensitive. The variable names are case-sensitive but function names are not. If you define the function name in lowercase and call them in uppercase, it will still work. User-defined functions are not case sensitive but the rest of the language is case-sensitive.
Some of the important characteristics of PHP variables include:
All variables in PHP are denoted with a leading dollar sign ($). The value of a variable is the value of its most recent assignment. Variables are assigned with the = operator, with the variable on the left-hand side and the expression to be evaluated on the right. Variables can, but do not need, to be declared before assignment. Variables in PHP do not have intrinsic types – a variable does not know in advance whether it will be used to store a number or a string of characters. Variables used before they are assigned have default values.
The following rules are needed to be followed while naming a PHP variable:
Variable names must begin with a letter or underscore character. A variable name can consist of numbers, letters, underscores but you cannot use characters like + , – , % , ( , ) . & , etc.
The final keyword in a method declaration indicates that the method cannot be overridden by subclasses. A class that is declared final cannot be subclassed. This is particularly useful when we are creating an immutable class like the String class.Properties cannot be declared final, only classes and methods may be declared as final.
Some of the popular frameworks in PHP are:
CakePHP CodeIgniter Yii 2 Symfony Zend Framework
PHP constructor and destructor are special type functions which are automatically called when a PHP class object is created and destroyed. The constructor is the most useful of the two because it allows you to send parameters along when creating a new object, which can then be used to initialize variables on the object.
The require() includes and evaluates a specific file, while require_once() does that only if it has not been included before. The require_once() statement can be used to include a php file in another one, when you may need to include the called file more than once. So, require_once() is recommended to use when you want to include a file where you have a lot of functions.
The set_time_limit(0) added at the beginning of a script sets to infinite the time of execution to not have the PHP error ‘maximum execution time exceeded.’ It is also possible to specify this in the php.ini file.
Some of the functions in PHP include:
ereg() – The ereg() function searches a string specified by string for a string specified by pattern, returning true if the pattern is found, and false otherwise. ereg() – The ereg() function searches a string specified by string for a string specified by pattern, returning true if the pattern is found, and false otherwise. split() – The split() function will divide a string into various elements, the boundaries of each element based on the occurrence of pattern in string. preg_match() – The preg_match() function searches string for pattern, returning true if pattern exists, and false otherwise. preg_split() – The preg_split() function operates exactly like split(), except that regular expressions are accepted as input parameters for pattern.
The basic steps to create MySQL database using PHP are:
Establish a connection to MySQL server from your PHP script. If the connection is successful, write a SQL query to create a database and store it in a string variable. Execute the query.
In PHP all functions starting with __ names are magical functions/methods. These methods, identified by a two underscore prefix (__), function as interceptors that are automatically called when certain conditions are met. PHP provides a number of ‘magic‘ methods that allow you to do some pretty neat tricks in object oriented programming
An exception that occurs at compile time is called a checked exception. This exception cannot be ignored and must be handled carefully. For example, if you use FileReader class to read data from the file and the file specified in class constructor does not exist, then a FileNotFoundException occurs and you will have to manage that exception. For the purpose, you will have to write the code in a try-catch block and handle the exception. On the other hand, an exception that occurs at runtime is called unchecked-exception.
PHP provides a library called cURL that may already be included in the installation of PHP by default. cURL stands for client URL, and it allows you to connect to a URL and retrieve information from that page such as the HTML content of the page, the HTTP headers and their associated data.
PHP callback are functions that may be called dynamically by PHP. They are used by native functions such as array_map, usort, preg_replace_callback, etc. A callback function is a function that you create yourself, then pass to another function as an argument. Once it has access to your callback function, the receiving function can then call it whenever it needs to.
They are both variables. But $message is a variable with a fixed name. $$message is a variable whose name is stored in $message. For example, if $message contains “var”, $$message is the same as $var.
Overloading is defining functions that have similar signatures, yet have different parameters. Overriding is only pertinent to derived classes, where the parent class has defined a method and the derived class wishes to override that method. In PHP, you can only overload methods using the magic method __call.
PHP is a programming language whereas ASP.NET is a programming framework. Websites developed by ASP.NET may use C#, but also other languages such as J#. ASP.NET is compiled whereas PHP is interpreted. ASP.NET is designed for windows machines, whereas PHP is platform free and typically runs on Linux servers.
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The PHP Course Training at the SK Training is designed by experts with which you can learn by enrolling. In this course you will learn all the basic as well as advanced concepts with the help of the real time mentor. The expertise areas include conditional statements, Logic in PHP, Loop statements and much more. You will also get hands-on experience by working on real projects. Get the PHP certification by enrolling at the SK TrainingsGet Certified
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