function return value-PHP Advanced Chapter-Function (Jade Girl Heart Sutra Edition)-php.cn

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PHP Advanced Chapter-Function (Jade Girl Heart Sutra Edition)

Chapter1 Custom function
1-1 Introduction to functions
1-2 Detailed explanation of function parameters
1-3 function return value
Chapter2 PHP variable scope
2-1 local variables
2-2 global variables
2-3 static variable
Chapter3 PHP special form of functions
3-1 variadic function
3-2 callback function-1
3-3 callback function-2
3-4 callback function-3

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