[Speed] Multiple scans through variable for search/replace

[Erwin Moller]

Hi Group,

At the moment I am developing a app that uses templates.
In the templates I have placeholders like this:

Dear ***FIRSTNAME*** <br>
You have subscribed to ***LISTSUBSRIBE ***.
etc

The ***XXXX*** must be replaced with values created in my script.

I am a bit worried about the speed and wonder which approach will be
fastest.
A straightforward solution would be to run a
str_replace($ar rSearch,$arrRep lace), where
$arrSearch contains the strings to be replaced by the corresponding values
in $arrReplace.

Is this a fast solution?
Will a regexpression approach be faster?

Does anybody have experience with this or advise?
Or should I just try a few and benchmark it?

TIA!

Regards,
Erwin Moller

[petersprc]

Re: Multiple scans through variable for search/replace

Hi,

You probably won't notice any performance issues unless you have
enormously high request volume... str_replace would be faster than a
regex in general. There's also Smarty templates and straight PHP like
so:

mailer.php:

foreach ($subscriptions as $sub) {
ob_start();
require('email-template.php');
$text = ob_get_contents ();
ob_end_clean();
mail($sub['email'], 'Subscription Confirmation', $text,
"From: My Site <info@mysite.co m>");
}

email-template.php:

Dear <?= $sub['name'] ?>: You subscribed to <?= $sub['list'] ?>.

Erwin Moller wrote:

Hi Group,
>
At the moment I am developing a app that uses templates.
In the templates I have placeholders like this:
>
Dear ***FIRSTNAME*** <br>
You have subscribed to ***LISTSUBSRIBE ***.
etc
>
The ***XXXX*** must be replaced with values created in my script.
>
I am a bit worried about the speed and wonder which approach will be
fastest.
A straightforward solution would be to run a
str_replace($ar rSearch,$arrRep lace), where
$arrSearch contains the strings to be replaced by the corresponding values
in $arrReplace.
>
Is this a fast solution?
Will a regexpression approach be faster?
>
Does anybody have experience with this or advise?
Or should I just try a few and benchmark it?
>
TIA!
>
Regards,
Erwin Moller

[Erwin Moller]

Re: Multiple scans through variable for search/replace

petersprc wrote:

Hi,
>
You probably won't notice any performance issues unless you have
enormously high request volume... str_replace would be faster than a
regex in general. There's also Smarty templates and straight PHP like
so:
>
mailer.php:
>
foreach ($subscriptions as $sub) {
ob_start();
require('email-template.php');
$text = ob_get_contents ();
ob_end_clean();
mail($sub['email'], 'Subscription Confirmation', $text,
"From: My Site <info@mysite.co m>");
}
>
email-template.php:
>
Dear <?= $sub['name'] ?>: You subscribed to <?= $sub['list'] ?>.

Hi,

Thanks for your response.
I'll stick to str_replace then. :-)

I cannot use direct writes/echo to the template in my situation. The
customer wants to see as little PHP as possible, so I must stick to the
***XXXX*** thingy. Nice/smart setup though. :-)

Regards,
Erwin Moller

>
Erwin Moller wrote:

>Hi Group,
>>
>At the moment I am developing a app that uses templates.
>In the templates I have placeholders like this:
>>
>Dear ***FIRSTNAME*** <br>
>You have subscribed to ***LISTSUBSRIBE ***.
>etc
>>
>The ***XXXX*** must be replaced with values created in my script.
>>
>I am a bit worried about the speed and wonder which approach will be
>fastest.
>A straightforward solution would be to run a
>str_replace($a rrSearch,$arrRe place), where
>$arrSearch contains the strings to be replaced by the corresponding
>values in $arrReplace.
>>
>Is this a fast solution?
>Will a regexpression approach be faster?
>>
>Does anybody have experience with this or advise?
>Or should I just try a few and benchmark it?
>>
>TIA!
>>
>Regards,
>Erwin Moller