Php basics (2): php Basics

Php basics (2): php Basics

Embed PHP code on the Web page

• Default syntax

 

• Short tag

 

• Script

 

• ASP Style

 

• Embed multiple code blocks

 

Add comments to code

• Single Row C ++ syntax

 

• Shell syntax

 

• Multi-line C syntax

 

Output data to the browser

• Print () Statement

 

• Echo () Statement

 

• Printf () Statement

 

• Sprintf () Statement

 

Data Types supported by PHP

• Scalar Data Type

 

• Composite data type

 

• Use forced type conversion to convert data

 

• Automatic type conversion

 

• Type-related functions

 

• Type identifier Function

 

Identifier

Variable

• Variable Declaration

 

• Variable Scope

 

• PHP super global variable

 

• Variable

 

Constant

Expression

• Operands

 

• Operator

 

String insertion

• Double quotation marks

 

• Escape Sequence

 

• Single quotes

 

• Braces

 

• Heredoc

 

• Nowdoc

 

Control Structure

• Condition Statement

 

• Loop statement

 

• File Inclusion statement