Hello,
Currently I am using following method to generate dynamic page
content:
1. Create a page template, in which the places where substitution
is supposed to take place are marked by a key bracketed with
'{' and '}'. For example: {news}, {date}, {headlines}, {article_content}..
2. in php script:
- prepare all the content and assign them to varialbes which have
exactly the same name as the keys in the template. for example:
$news = "...";
$headlines = "...";
- create a array using all the keys in the template. in this example
it is:
$keys = array (news, date, headlines, article_content);
- dump the template into a buffer:
$page = file ($template_file_path);
- do replacement:
foreach ($keys as $key ){
$page = str_replace ('{'.$key.'}', $$key, $page);
}
- send out the page:
print $page;
OKay, this process works perfect. However I am thinking that
this might not be a effective way do to replacement because
for each key replacement the whole template has to be scanned.
No, this is too expensive. What I am currently thinking is, just
use one scan but do all replacements. Here is my proposed
solution:
1. create an associcate array using the keys and their values:
$pattern = array (
news => "...";
date => "...",
headlines => "...",
);
2. scan the template and, when found something matched with
'{[what_ever_a_key]}', replace it with $pattern[what_ever_a_key].
I would assume that with step 2 just one scan all replacements
can be done. However I don't know with what php function and
regex this solution can be implemented. Any suggestion, advice
are highly appreciated!
alex
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