In programming, there is such a thing as a data type that defines the set of valid values and operations on them.
For example, it can be integers or real numbers, strings of different lengths, and much more. PHP supports four scalar (Integer, Double, Boolean, String) and two mixed (Array, Object) data type. Consider some of them in detail.
Integer data type defines the set of integers with certain limitations in size. For example, on 32-bit platforms, the range is from -2147483648 to 2147483647 (Listing 4.5).
Listing 4.5. Variable of type Integer
$dec_int_number = 5; // integer variable
echo 5 // output integer
Data type Integer can be presented in different number systems: octal, decimal and hexadecimal (see Listing 4.6).
Listing 4.6. Integer variables in different number systems
// In the decimal system, all three numbers are 317
$ oct_int_number = 0475; // Octal numbers begin with 0
$ dec_int_number = 317; // This record int number
$ hex_int_number = 0x13D // hexadecimal numbers begin with Oh
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In this video we will begin looking at the PHP Syntax and how the server interprets the code. We write our first script that will output the text “Hello World” to the web browser using echo.
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List-style-type changes in the view of each list item. This property is used only when the value of list-style-image is set to none. Different markers for a bulleted list (tag
PHP is a server-side scripting language designed for web development but also used as a general-purpose programming language.Currently supported by the overwhelming majority of web hosting providers and is one of the leading programming language used to create dynamic websites WIKIPEDIA
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