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Novice savior: quick preview of PHP7 basic syntax

• Chapter1 environment and tools
• 1-1 phpstudy installation and configuration
• 1-2 vscode installation and configuration
• Chapter2 Basic grammar (1)
• 2-1 PHP operating principle and PHP documentation
• 2-2 How to output the running results
• 2-3 Variable concepts and naming conventions
• 2-4 How to dynamically create variables
• 2-5 Pass by value and pass by reference
• 2-6 mutable variable
• 2-7 Variable data type
• 2-8 Variable type conversion
• 2-9 variable scope
• 2-10 static private variables
• Chapter3 Basic Grammar (2)
• 3-1 Variable filter (1)
• 3-2 Variable filter (2)
• 3-3 Variable filter (3)
• 3-4 Definition and access of constants (1)
• 3-5 Constant definition and access (2)
• 3-6 Predefined constants and magic constants
• 3-7 constants in namespace
• Chapter4 Basic Grammar (3)
• 4-1 Commonly used operators (1)
• 4-2 Commonly used operators (2)
• 4-3 Commonly used operators (3)
• 4-4 Commonly used operators (4)
• 4-5 Branch structure of process control (2)
• 4-6 Branch structure of process control (1)
• 4-7 Loop structure of process control (1)
• 4-8 Loop structure of process control (2)