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dynamic PHP execution

Discuss dynamic PHP execution in the Programming Theory forum on Codewalkers.
dynamic PHP execution Discuss here techniques and methods used to program effectively. Questions in this forum should be more like 'How do I build a better...' rather than 'This code doesn't work, how do I fix it?'

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  #1  
Old June 19th, 2004, 12:39 AM
lostandfound lostandfound is offline
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dynamic PHP execution
has anyone written any PHP that can do this:

dynamically write a PHP file. the logic can come from any/many sources (files/DB/divine intervention/whatever...)
execute said PHP.
delete said PHP.

if you are wondering why one would want to do this, it is simple.

if you could, you write the PHP.
then, anytime you want to change logic/functionality of the PHP, you just change the source that dynamically creates the PHP.
no need for PHP updates.
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Old June 19th, 2004, 08:50 PM
Pests Pests is offline
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RE: dynamic PHP execution
Well, Im guessing it wouldn't be too hard. You wouldn't even have to write it to a file. Just store the PHP you dynamically wrote in a variable, then pass it though eval().
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Old June 20th, 2004, 02:15 AM
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RE: dynamic PHP execution
fair enough.

It's not that hard, just wondering, why not?
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Old June 20th, 2004, 04:28 AM
pickleman78 pickleman78 is offline
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RE: dynamic PHP execution
I think I saw like a UML to PHP thing somewhere... don't know exactly what UML is... or if it was UML.... but ya...
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Old June 23rd, 2004, 02:09 AM
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RE: dynamic PHP execution
"has anyone written any PHP that can do this:"

guess, not.

"It's not that hard, just wondering, why not?"

why not? why???

PHP is a scripting/hypertext processing language. That means:

HTTP request, to webserver, to cloud/IP.
HTTP request found by webserver, to PHP, PHP do, or not, back to webserver, webserver to HTTP response to cload/IP.
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Old June 25th, 2004, 12:37 AM
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RE: dynamic PHP execution
You could write one like you would with any other text file.

php Code:
Original - php Code 
  1.  
  2.  
  3. touch("new_file.php"); // Create/ update modified date
  4.  
  5. $fp = fopen("new_file.php","a") or die("Couldn't open file!");
  6. // try to open file for appending
  7.  
  8. $code = '<' . '?php
  10. print "Hello World!";
  12. ?' . '>'; // make some code;
  13.  
  14. fwrite($fp,$code); // write it in
  15.  
  16. fclose($fp); // close connection
  17.  
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