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This article mainly explains "what are the four scalar types in php". Interested friends may wish to have a look. The method introduced in this paper is simple, fast and practical. Let the editor take you to learn "what are the four scalar types in php"?

1. The boolen values are FALSE and TRUE.

Generally speaking, Boolean values are FALSE and TRUE, but any type of value can be automatically converted to Boolean when operators, functions, or process control require Boolean parameters. The following values are considered FALSE, and the other values are considered TURE.

2. Integer (integer)

Decimal: $int = 123

Binary: $int = 0b123 (number preceded by 0b)

Octal: $int = 0123 (the number is preceded by 0)

Hexadecimal: $int = 0x123 (number preceded by 0x)

3. Floating point (float, also known as double, two names exist at the same time)

It is usually used to represent data that cannot be represented by an integer, such as money value, distance value, speed value, and so on.

4. String (string)

There are three types: single quote string, double quote string and delimiter.

What are the PHP development environment building tools? phpStudy is the most commonly used development environment for beginners.

Second, WampServer,WampServer is also as simple as phpStudy and more friendly to rookies.

3. XAMPP,XAMPP (Apache+MySQL+PHP+PERL) is a powerful integrated software package for building stations.

4. MAMP,MAMP is divided into two types: MAMP and MAMP Pro for Mac.

Pagoda panel, pagoda panel is a server management software that supports windows and linux systems. 6. UPUPW,UPUPW is the most characteristic Web server PHP suite under the Windows platform.

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