Hi everyone..
I am new to php. I have PHP4.2.3 installed with Apache on my computer. I was practicing on the language from a book called "PHP essentials" by Julie C Meloni. I am facing many problems as many functions from php3 are not working anymore in PHP4! For example, header(), include(mydata.txt); and mail(). Also, to recieve variables from an HTML form, i had to add HTTP_POST_VARS("")!! how would I know that i have to add that?!. I have many similar problems due to the differences between the two version. I have 2 questions:
1. Is there any source (book or URL or whatever) that shows what have been changed between php3 and php4 and what are the new functions or values are? Something like a table or differences in functions.
2. How do u get the mail() and include() to work?
Also, who do u get header() to header() function to work in PHP4?? This is the code i am using for the header() followed by the error message:
===========CODE============================
if (!isset($PHP_AUTH_USER)) {
// If empty, send header causing dialog box to appear
header('WWW-Authenticate: Basic realm="My_Private_Stuff"');
header('HTTP/1.0 401 Unauthorized');
echo 'Authorization Required.';
exit;
}
// If not empty, display values for variables
else {
echo "
<P>You have entered this username: $PHP_AUTH_USER<br>
You have entered this password: $PHP_AUTH_PW<br>
The authorization type is: $PHP_AUTH_TYPE</p>"; }
===========ERROR====================
Warning: Cannot add header information - headers already sent by (output started at C:\Program Files\Apache Group\Apache2\htdocs\auth.php:9) in C:\Program Files\Apache Group\Apache2\htdocs\auth.php on line 17
Warning: Cannot add header information - headers already sent by (output started at C:\Program Files\Apache Group\Apache2\htdocs\auth.php:9) in C:\Program Files\Apache Group\Apache2\htdocs\auth.php on line 18
Authorization Required.
Please help me here ...
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