In talking about PEAR and PHPLIB, the subject of large class
libraries came up.
So in response to this problem, I had this idea. I'd like to get
some feedback on it.
Every script includes a simple parsing function from the
'prepend.php' file at the very top of the script. This function causes
the script being loaded to **parse itself**. It finds all the 'new'
statements, to make an array of needed class names.
Only the executing file would would parse itself, all the classname
files and classname extending files would could only include any parent
object file, and NOT the parsing function file.
<implementation-1>
The parsing function includes the correct file by just adding '.php' to
the end of the class name. This would require:
A/ One class per file
B/ the class name same as the class
<implementation-2>
Classes are in libraries that are named after the prefix of a SET of
classnames. The library file is included which has the bare name of the
'prefix.php'.
<implementation-3>
Classes have little 'ghost files.php' which are just just an
'include once' statement for the relative library. The first time the
library gets included, it appends all the class names it holds to an
array in the parent script. The function checks that array for relevant
classnames before reopening the 'ghost.file' and reopening the
'libraryX.php' file.
<implementation-4>
The classname<>library list is in a master library file, parsed into
an array first off in the function. The parsing function first queues up
classnames needed, then checks the names in the master list, erroring
out if desired, then queues up the appropriate libraries to include,
then includes them.
<implementation-5>
An extension of number 4 above. You give the parsing function the
class/class library path, and for any classes it doesn't find in the
master list (table), it goes through the libraries looking for 'class'
statements and updates the list. If you happen to be the unlucky user
who loads a page when that happens, it sends a timed redirect page back
to the original page with a message with the (typical user) mind blowing
message, "You have triggered an automatic self improvement process on
our server! The server is adjusting it's performance to your
requirements. Thank you, and HANG ON! You will be rewarded with a reload
of the page you requested and a faster site! Thank you for helping us!
Reload will occur in '10', '9', etc....." It's be good if you could make
this an 'in memory table or file'.
<?php-----------?>
FINAL RESULT FOR ANY IMPLEMENTATION:
A/ You would never have to worry about what file to include the
class from.
B/ You could limit the amount php included.
C/ Depending on the implementation, you could limit the number of
php, file opening, and use also class libraries.
With good grouping, this would let a minimal amount of included php/file
operations happen.
--
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