The SAP Developer's Guide to PHP

Preface ... 3

1. Introduction to PHP ... 5
... 1.1 The History ... 5
... 1.2 Why PHP? ... 6
... 1.3 How PHP Works ... 6
... 1.4 The Basics of Getting Started ... 8

2. SAPRFC and Environment ... 9
... 2.1 A Merging of Technologies ... 9
... 2.2 The Environment ... 10
... 2.3 Setting Up and Installing the Environment ... 10
... HTTP Server ... 10
... Installing PHP ... 11
... Manual Configuration of HTTP Server ... 13
... 2.4 The First PHP webpage ... 15
... 2.5 SAPRFC ... 16

3. Connecting PHP to SAP ... 19
... Using the Classes ... 20
... Making the Connection ... 20
... Calling the Function ... 21
... Reading the Result ... 22
... Logging Off ... 23

4. Example Application ... 25
... 4.1 The Problem ... 25
... 4.2 The Background ... 27
... 4.3 The System ... 27

5. Foundation and Connection ... 29
... 5.1 HTML and JavaScript ... 29
... 5.2 CSS ... 32
... 5.3 PHP ... 33

6. Beta Testing and Enhancements ... 47
... 6.1 Dynamic Login ... 47
... Cookies ... 47
... Sessions ... 48
... 6.2 Action Log ... 53
... Better Display ... 53
... Modifying ... 53
... Deleting and Printing ... 56
... 6.3 Modify Data ... 57
... 6.4 "Bells & Whistles" ... 62
... Hiding Our Log ... 62
... Controlling the Display of the Log ... 65
... CSS Styles ... 66

Appendix ... 71
Index ... 97