PHP Strings
A string is a sequence of characters, like “Hello world!”. Strings Strings in PHP are surrounded by either double quotation marks, or single quotation marks.
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PHP Data Types
PHP Data Types Variables can store data of different types, and different data types can do different things. PHP supports the following data types: String Integer Float (floating point numbers – also called double) Boolean Array Object NULL Resource
PHP echo and print Statements
PHP echo and print Statements With PHP, there are two basic ways to get output: echo and print. In this tutorial we use echo or print in almost every example. So, this chapter contains a little more info about those…
PHP Variables Scope
PHP Variables Scope In PHP, variables can be declared anywhere in the script. The scope of a variable is the part of the script where the variable can be referenced PHP has three different variable scopes: local global static
PHP Variables
Variables are “containers” for storing information. Creating (Declaring) PHP Variables In PHP, a variable starts with the $ sign, followed by the name of the variable: Example $x = 5; $y = “John”; In the example above, the variable $x…
PHP Multiline Comments
Multi-line Comments Multi-line comments start with /* and end with */. Any text between /* and */ will be ignored. The following example uses a multi-line comment as an explanation:
PHP Comments
Comments in PHP A comment in PHP code is a line that is not executed as a part of the program. Its only purpose is to be read by someone who is looking at the code. Comments can be used…
PHP Syntax
A PHP script is executed on the server, and the plain HTML result is sent back to the browser. Basic PHP Syntax A PHP script can be placed anywhere in the document. A PHP script starts with <?php and ends…
PHP Installation
What Do I Need? To start using PHP, you can: Find a web host with PHP and MySQL support Install a web server on your own PC, and then install PHP and MySQL Use a Web Host With PHP Support…