lessons in php for michele ... jan 18, 2002

lesson 1 - the output from a php file is the html which is generated for the browser

in action
the code

in action
the code

lesson 2 - how the php layer is used to do all the programming tasks for the html layer

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the code

lesson 3 - there are 4 basic data types in php:

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lesson 4 - the types can be changed ("cast") into other types:

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lesson 5 - operations you can do on integers and doubles:

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lesson 5a - string manipulation:

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lesson 6 - comparison operators and logic:

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lesson 7 - user defined constants, predefined constants and predefined variables:

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lesson 8 - flow control

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lesson 9 - processing user supplied input - a simple adding calculator:

the form - using GET
the form - using POST
the html code
the php code

lesson 10 - processing and storing user supplied input - a simple bullitin board:

the html in action
the html code
the php code

lesson 11 - a mysql primer:

some mysql commands

lesson 12 - building a database and interfacing it with php

0. get a username, password and a database name that you can work with from the mysql admin

1. from a shell do mysql -u duck -p < lesson12.mysql or else log onto the mysql server and type the commands manually

2. write an html form which either a. gets the info to put into a database, or b. searches the database for information that is already there:

the html in action - see what values are sent over by the html form to the php - don't enter them
the html code
the php code - this just displays the values

the html in action - do it, get the php to put the data into mysql
the html code
the php code - this puts the data into mysql

your ip address and other info about your browser

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the code

cookie counter - counts the number of times you've visited the page by storing info as a cookie

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the code

for mysql administration:

some admin mysql commands

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