thablkpanda
Feb 3 2005, 01:53 AM
Word, I know plenty of people out there that just primarily script in php, however know very little about the script that potentially saved my web-site. For an example, I can't even show you how large my former index page looked like, seeing as it is well over... 250 lines.. but, here's the condensed version on the require() diet. CODE <html>
<body>
<? require 'header.php';?>
<? require 'indextable.php';?>
</body>
</html>
It's about 87 bytes. The old one was 825 kb (kilobytes). That's Weightwatchers for PHP right there... Through the magical function called require() I've consolidated the size of my main-pages, and saved ALOT of scripting time. What it does is make the page 'call upon' another PHP page on the web, to display in the place where the require() tag is located. So you're seeing my whole index page, just in a dummed down version. The page header.php, consists of the <img src='img.png'> tags that make up my navigational bar, and logos. Seeing as there were roughly ten of them, I looked for a way to clean up the parts you'd see if you viewed my code. The page indextable.php consists of the tables and contents that make up my text and stuff of my site. There is a 3x2 table on the index page, that has information that will be updated regularly. And through the magic of PHP, I can do it all 5 times faster! This may be old news for some PHP guru's out there, but require() is the biggest factor in my success! If you want specifics on how to use the require() function, visit Google - PHP Require() FunctionHappy Scripting Tha Blk Panda
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CODE <?php include 'links.php'; ?> This is a way to include pages into other pages. It's sort of like the iframe function in html. It's a lot better to use. It's a way to easily update parts of your site on all pages. Like for instance you can have your menu on one page, then include it into all the pages using the code above, in this case I have shown my include function that shows my links at the bottom of my website.. 
Reply
Roly
Feb 3 2005, 05:56 AM
I never used frames for navigation before I started using PHP.
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nice info for someone like me, that has been interesting in learning PHP but don't have the time/don't know where to start. i guess this is a good begining. im gona have to try this later. thanks for the tip.
Reply
bjrn
Feb 3 2005, 10:46 AM
Just the difference between require() and include(). If require() fails, it produces a fatal error, stopping the whole parsing process. If include() fails it onlyproduces a warning. So if you want everything to stop when you want to get content from an other file, use require, otherwise use include. There are also two other variants: require_once() and include_once(), which work as the normal ones, except that if the code has already been included earlier, it won't be included a second time (in the same page).
Reply
Mike
Feb 3 2005, 09:43 PM
^^^Heh, you're exactly correct. Another nifty little function that I like about PHP is the mail() function. I'll provide y'all with the code for it.. CODE <?php
$headers = 'From:[B]youremailaddress@yourisp.com[/B]\r\n";
$headers .= 'Reply-To:[B]youremailaddress@yourisp.com[/B]\r\b";
$headers .= 'Content-Type: text/html;\r\n charset=\"iso-8859-1\"\r\n";
$body = "
[b]What you want to appear in the e-mail would go here.. You can use some HTML tags like b,i,u, and the table tags.[/b]
";
mail("[b]emailaddressofrecipient@peronsisp.com[/b]", "[b]subjectofemail[/b]", $body, $headers);
?>
****EDIT EVERYTHING WITH A '[ b ]' TAG NEXT TO IT (WITHOUT THE SPACES).. TO SEND THE MESSAGE YOU MUST GO TO THE LINK THAT YOU SAVED IT AS.. IF YOU SAVED IT AS 'mail.php' YOU WOULD GO TO http://yoursite.trap17.com/mail.php IF IT IS IN THE 'WWW' FOLDER. THAT MAY NOT BE THE LINK TO YOUR SITE FOR ALL USERS!****
Reply
karlo
Feb 5 2005, 05:23 AM
require()If the required file dosen't exists, the whole script halts or stops. include()The whole script still runs even if the include file dosen't exists. Research about require_once() and include_once()
Reply
Mike
Feb 5 2005, 07:34 PM
Exactly what karlo and everybody has been saying. If you use the require() function and the file that you are trying to get information from does not exist, than the page will become a Fatal Error and the whole thing is screwed up. If you use the include() function and the file that you are trying to include does not exist, the page will still load but with a warning at the top saying something like: WARNING: (/linkthingtothefileyoutriedtoinclude) File does not exist. if you use require_once() or include_once(), it will do the same as just include() and require() but if the file you are trying to require or include has already been included or required, the script will stop.
Reply
thablkpanda
Feb 5 2005, 08:43 PM
QUOTE(Mike @ Feb 5 2005, 02:34 PM) Exactly what karlo and everybody has been saying. If you use the require() function and the file that you are trying to get information from does not exist, than the page will become a Fatal Error and the whole thing is screwed up. If you use the include() function and the file that you are trying to include does not exist, the page will still load but with a warning at the top saying something like: WARNING: (/linkthingtothefileyoutriedtoinclude) File does not exist. if you use require_once() or include_once(), it will do the same as just include() and require() but if the file you are trying to require or include has already been included or required, the script will stop. Then it's kinda a given to only use require() files that you know exist, not images, or something that's prone to corruption or the like. (how many times has that been said anyway? I think we get the point...  ) LOL Panda Out 
Reply
karlo
Feb 6 2005, 03:38 AM
QUOTE(thablkpanda @ Feb 3 2005, 09:53 AM) Word, I know plenty of people out there that just primarily script in php, however know very little about the script that potentially saved my web-site. For an example, I can't even show you how large my former index page looked like, seeing as it is well over... 250 lines.. but, here's the condensed version on the require() diet. CODE <html>
<body>
<? require 'header.php';?>
<? require 'indextable.php';?>
</body>
</html>
It's about 87 bytes. The old one was 825 kb (kilobytes). That's Weightwatchers for PHP right there... Through the magical function called require() I've consolidated the size of my main-pages, and saved ALOT of scripting time. What it does is make the page 'call upon' another PHP page on the web, to display in the place where the require() tag is located. So you're seeing my whole index page, just in a dummed down version. The page header.php, consists of the <img src='img.png'> tags that make up my navigational bar, and logos. Seeing as there were roughly ten of them, I looked for a way to clean up the parts you'd see if you viewed my code. The page indextable.php consists of the tables and contents that make up my text and stuff of my site. There is a 3x2 table on the index page, that has information that will be updated regularly. And through the magic of PHP, I can do it all 5 times faster! This may be old news for some PHP guru's out there, but require() is the biggest factor in my success! If you want specifics on how to use the require() function, visit Google - PHP Require() FunctionHappy Scripting Tha Blk Panda QUOTE(bjrn @ Feb 3 2005, 06:46 PM) Just the difference between require() and include(). If require() fails, it produces a fatal error, stopping the whole parsing process. If include() fails it onlyproduces a warning. So if you want everything to stop when you want to get content from an other file, use require, otherwise use include. There are also two other variants: require_once() and include_once(), which work as the normal ones, except that if the code has already been included earlier, it won't be included a second time (in the same page). Reply
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