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ACCS 2007-0420:

ACCS 2007-0420:. What I did last Summer With PHP, MySQL and AJAX. Evolution from HTML to AJAX. HTML XML JAVA Script PHP MySQL AJAX. HTML: How it works. How it works. HTML: What it looks like:. <HTML><HEAD><TITLE>Hello World </TITLE></HEAD><body> Hello World

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ACCS 2007-0420:

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  1. ACCS 2007-0420: What I did last Summer With PHP, MySQL and AJAX

  2. Evolution from HTML to AJAX • HTML • XML • JAVA Script • PHP • MySQL • AJAX

  3. HTML: How it works • How it works

  4. HTML: What it looks like: <HTML><HEAD><TITLE>Hello World </TITLE></HEAD><body> Hello World <TABLE><TH><TD>Point one <td>Point two</td></th> <TR><TD>This is one<td>this is two </table> </body></html>

  5. HTML: Limits • For each page in client computer there must be one page on server. • Each Browser is a little different. • All functions are a one shot deal. • No computing on client computer. • Tags are limited to finite list.

  6. XML: Strengths • More consistent than HTML • Can make your own tags

  7. XML: What it looks like <title>Cosmos</title> <author>Sagan, Carl</author> <publisher>Random House </publisher> <DOP>1980</DOP> <BR/>

  8. XML: Limits • Needs an XML compliant browser or make your own interpreter.

  9. JAVA: How it works • Picture goes here

  10. JAVA: What it looks like <html> <head> <title> JAVA example </title> <script src="JavaScrips01.js" language="javascript" type="text/javascript"> <!-- Hide script from old browers function HelloWorld() { } // End hiding script from older browsers --> </script></head> <body> <CENTER> HelloWorld() </body></html>

  11. PHP: How it works • Picture goes here

  12. PHP: What it looks like <? php $text = “Hello World”; // …. ?> <HTML><head><title>PHP world </title></head><body> Now is the time to say: <? Echo ($text); ?> </body></html>

  13. PHP example

  14. PHP Example

  15. PHP:Advantages • Very good interface between client and a data base on the server. • Comments don’t show on client computer. • It uses the server clock, not the clock on client computer.

  16. PHP: Limits • All processing in done on server • All processing is a one shot deal • To use the whole screen must be refreshed and processed.

  17. AJAX: What it means • Asynchronous Javascript And XML • Asynchronous means not all at the same time (i.e., not synchronous). • It is not a separate language, but it uses a number of existing languages and technologies in a new way. • It gets a little off the server computer and then goes back for more without refreshing the whole screen.

  18. AJAX: How it works • Picture goes here.

  19. AJAX: What it looks like

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