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Querying Client Information Forms and Passing Data,

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Presentation on theme: "Querying Client Information Forms and Passing Data,"— Presentation transcript:

1 Querying Client Information Forms and Passing Data,
* Lecture 6 Querying Client Information Forms and Passing Data, * Course logo spider web photograph from Morguefile openstock photograph by Gabor Karpati, Hungary.

2 CSU CT 310 Web Development ©Ross Beverige
PHP Resources 1 11/28/2018 CSU CT 310 Web Development ©Ross Beverige

3 CSU CT 310 Web Development ©Ross Beverige
PHP Resources 2 11/28/2018 CSU CT 310 Web Development ©Ross Beverige

4 PHP Example 03 You are always known?
11/28/2018 CSU CT 310 Web Development ©Ross Beverige

5 Example 03 Part 1 The global variable array $_SERVER provides information primarily about the server, but also some information passed back by the client. Notice that arrays in PHP are commonly indexed by names. 11/28/2018 CSU CT 310 Web Development ©Ross Beverige

6 CSU CT 310 Web Development ©Ross Beverige
Example 03 Part 2 PHP has standard control logic – if/elseif/else. Querying for substring inclusion is provided. 11/28/2018 CSU CT 310 Web Development ©Ross Beverige

7 CSU CT 310 Web Development ©Ross Beverige
Example 03 Part 3 PHP also has the more compact switch statement. Also not the ‘REMOTE_ADDR’ element in the $_SERVER array used to get the clients IP address. 11/28/2018 CSU CT 310 Web Development ©Ross Beverige

8 Passing Variables GET vs. POST
GET sends data in the URL, where everyone can see it POST passes information behind the scenes REQUEST essentially a merge of GET and POST responses. Mostly used for forms, variables, etc 11/28/2018 CSU CT 310 Web Development ©Ross Beverige

9 CSU CT 310 Web Development ©Ross Beverige
Forms Field types: checkbox, file, hidden, password, radio, reset, submit, text Also: select, option, textarea Action where you want it to go/a script you want it to run Method = get/post 11/28/2018 CSU CT 310 Web Development ©Ross Beverige

10 CSU CT 310 Web Development ©Ross Beverige
PHP Example 04 11/28/2018 CSU CT 310 Web Development ©Ross Beverige

11 CSU CT 310 Web Development ©Ross Beverige
PHP Example Pay attention to the browser query! 11/28/2018 CSU CT 310 Web Development ©Ross Beverige

12 CSU CT 310 Web Development ©Ross Beverige
PHP Example See in this older version above a different approach to when to start/stop PHP. 11/28/2018 CSU CT 310 Web Development ©Ross Beverige

13 CSU CT 310 Web Development ©Ross Beverige
PHP Example 04 11/28/2018 CSU CT 310 Web Development ©Ross Beverige

14 CSU CT 310 Web Development ©Ross Beverige
PHP Example 04 11/28/2018 CSU CT 310 Web Development ©Ross Beverige

15 CSU CT 310 Web Development ©Ross Beverige
PHP Example 04 11/28/2018 CSU CT 310 Web Development ©Ross Beverige

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