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PHP treats newlines as whitespace in the manner of a free-form language, and statements are terminated by a semicolon. [219] PHP has three types of comment syntax: /* */ marks block and inline comments; // or # are used for one-line comments. [220] The echo statement is one of several facilities PHP provides to output text. [citation needed]
HTML form. A webform, web form or HTML form on a web page allows a user to enter data that is sent to a server for processing. Forms can resemble paper or database forms because web users fill out the forms using checkboxes, radio buttons, or text fields. For example, forms can be used to enter shipping or credit card data to order a product ...
W3Schools is a freemium educational website for learning coding online. [ 1 ][ 2 ] Initially released in 1998, it derives its name from the World Wide Web but is not affiliated with the W3 Consortium. [ 3 ][ 4 ][unreliable source] W3Schools offers courses covering many aspects of web development. [ 5 ] W3Schools also publishes free HTML templates.
PHP generally follows C syntax, with exceptions and enhancements for its main use in web development, which makes heavy use of string manipulation. PHP variables must be prefixed by " $ ". This allows PHP to perform string interpolation in double quoted strings, where backslash is supported as an escape character.
Laravel is a free and open-source PHP -based web framework for building web applications. [ 3 ] It was created by Taylor Otwell and intended for the development of web applications following the model–view–controller (MVC) architectural pattern and based on Symfony.
Influenced by. JavaScript and XML. Ajax (also AJAX / ˈeɪdʒæks /; short for " asynchronous JavaScript and XML " [ 1 ][ 2 ]) is a set of web development techniques that uses various web technologies on the client-side to create asynchronous web applications. With Ajax, web applications can send and retrieve data from a server asynchronously ...
An expansion of the 400 Bad Request response code, used when a client certificate is required but not provided. 497 HTTP Request Sent to HTTPS Port. An expansion of the 400 Bad Request response code, used when the client has made a HTTP request to a port listening for HTTPS requests. 499 Client Closed Request.
In an XML document or external entity, a CDATA section is a piece of element content that is marked up to be interpreted literally, as textual data, not as marked-up content. [1] A CDATA section is merely an alternative syntax for expressing character data; there is no semantic difference between character data in a CDATA section and character ...