file name and extension

cookieboi

Hi all, i was wondering if there was some way i could seperate a file name and an extension as i am trying to write a script that displays an image if it is a jpg or gif and if the file is a pdf or word, display a link to it. (getting a list of files from a directory) is this possible, or would i need 2 directories?

thanx

Jamez.:rolleyes:

devinemke

[man]pathinfo[/man]

Piranha

[man]substring[/man] might do the job for you. Just note that if you don't have full control over the files it is possible that they have a name like test.jpg but in fact are something else, even a php-file.

laserlight

I think Piranha is mixing PHP with Javascript again :p

pathinfo() should be the way to go, but if you do want to use Piranha's for some reason, it would be [man]strrpos/man with [man]substr/man.

Piranha

Damnit, I have to start checking better before posting. But I'm defenetly not in JavaScript mode, don't know much JS. Maybe it is Java :p

Anyway, these two other guys apparently know this better than me, go for their suggestion.

cookieboi

thanx guys, pathinfo seems the way to go

thanx

Jamez.:eek:

cookieboi

hi, sorry to doulbe post but if anyone was wondering what the nearly finished piece of code looks like here it is :

<?php
 $path = "/home/public_html/";
 $dir_handle = @opendir($path) or die("Unable to open $path");
 while ($file = readdir($dir_handle)) {
 if($file == "." || $file == ".." || $file == "upload_delete.php" || $file == "php.ini" )
 continue;     

 $path_parts = pathinfo("/home/public_html/$file/");
 echo $path_parts['dirname'], "\n<br>";
 echo $path_parts['basename'], "\n<br>";
 echo $path_parts['extension'], "\n<br>";
 if ( $path_parts['extension'] == "txt") { echo("<a href=\"$file\">$file</a><br>"); } 
 elseif ( $path_parts['extension'] == "png") { echo("<img src=\"$file\"><br>"); }
 else { echo("something wrong<br>"); }
 }//keeps it repeating
 closedir($dir_handle);


?>

obvoiusly i would take some parts out to neaten it up on the page and add some more variables for different file types.

thanx, jamez.😃

laserlight

Just a note: if you read the PHP Manual on [man]readdir/man you will find that it should be:

while (($file = readdir($dir_handle)) !== false) {

cookieboi

thanx. what difference does this make? is it a simple failsafe?

jamez.

laserlight

As the PHP Manual notes:

Please note the fashion in which readdir()'s return value is checked in the examples below. We are explicitly testing whether the return value is identical to (equal to and of the same type as--see Comparison Operators for more information) FALSE since otherwise, any directory entry whose name evaluates to FALSE will stop the loop (e.g. a directory named "0").