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Php Reusing Code And Writing Functions

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Reusing Code and Writing Functions All about functions, arguments, passing by reference, globals and scope
Introduction ,[object Object],[object Object]
Why function? ,[object Object],[object Object],[object Object],[object Object]
Example of function ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Typical format for a function ,[object Object]
Arguments ,[object Object],[object Object],[object Object]
Example of arguments ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object]
Return a value ,[object Object],[object Object],[object Object]
Examples ,[object Object],[object Object],[object Object],[object Object]
Examples cont….. ,[object Object],[object Object],[object Object],[object Object],[object Object]
Examples cont….. ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Marching arguments order ,[object Object],[object Object]
Examples of argument order ,[object Object],[object Object]
Examples cont….. ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Default value for arguments ,[object Object],[object Object]
Examples ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Function functions ,[object Object],[object Object],[object Object]
Example ,[object Object],[object Object],[object Object],[object Object]
Globals ,[object Object],[object Object]
Example ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Example cont… ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Passing by value and reference ,[object Object],[object Object],[object Object]
Passing by value ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Passing by reference ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object]

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Php Reusing Code And Writing Functions

  • 1. Reusing Code and Writing Functions All about functions, arguments, passing by reference, globals and scope
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