December 2001
Intermediate to advanced
480 pages
9h 22m
English
Content preview from JavaScript Design
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JavaScript Form Preprocessing for PHP
Now that the concept of JavaScript’s role with PHP is clear, it is time to do something more practical with JavaScript and PHP. This next set of scripts uses JavaScript as a preprocessor to make sure that a comment form being sent has all of the forms filled out and that the user remembers to include an “@” sign in her email address. The JavaScript also shows how to combine two functions into a single function that performs two tasks.
Before starting, you need to know a PHP function not yet discussed. The function mail(e,s,m,h) has four arguments:
e Email address
s Subject
m Message
h Header
Each of the arguments can be set as variables or strings in quotation marks. For example, this line would fire off ...
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