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Re^2: Mod Perl Usage on Virtual hosted domains

by Aristotle (Chancellor)
on Oct 19, 2002 at 21:12 UTC ( #206571=note: print w/ replies, xml ) Need Help??


in reply to •Re: Mod Perl Usage on Virtual hosted domains
in thread Mod Perl Usage on Virtual hosted domains

What I've always wondered is why mod_php can be offered on shared solutions, while there is no way mod_perl could. Are the PHP folks being more clever, or just not talking about security? If they're being clever, why can't we? And if we can, why don't we do it? If mod_perl could easily be offered for virtual domain hosting solutions, it would probably put a dent in the proliferation of PHP.

(To abate the flames, I don't mind PHP, the same way I don't mind shell scripts. But I wouldn't use either for anything complex.)

Makeshifts last the longest.


Comment on Re^2: Mod Perl Usage on Virtual hosted domains
Re: Re^2: Mod Perl Usage on Virtual hosted domains
by crazyinsomniac (Prior) on Oct 20, 2002 at 16:56 UTC
    Perhaps because it isn't really, or only in a limited fashion (with lots of "extensions" disabled, giving only a very lite version of php)?

    I doubt they're being more clever, it's just that their product/language is lots simpler.

    I will now quote http://archive.develooper.com/advocacy@perl.org/msg01553.html

    Description              Perl  PHP
    
    Namespace management     Y    N 
    File-scope globals       Y    N 
    Regular expressions      Y    Y 
    
    OOP support              Y    N(2)
    Run time code mutability Y    Y   
    Extensive lib collection Y    Y(4)
    
    Closures                 Y    N   
    anonymous subroutines    Y    N   
    automatic code creation  Y    N   
    
    Notes:
     (2) PHP support for objects is not much different than C++ support for
     (4) Not quite extensive, but it's getting there - PEAR is only a year or
         so old.
    
         
    Since there is no way in perl to prevent a program from modifying `import' among other things, you can't share a perl process among different users.

    update:
    Also, perl's regex engine is a "beast", and there exist some race conditions (sorry, I don't got a link handy to a discussion), and PHP just uses PCRE, which is Perl Compatible RE, but not quite Perl re ( and lots of features in the current perl re engine are **experimental**)

     
    ______crazyinsomniac_____________________________
    Of all the things I've lost, I miss my mind the most.
    perl -e "$q=$_;map({chr unpack qq;H*;,$_}split(q;;,q*H*));print;$q/$q;"

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