Question Regarding Flatfile

5ub51ded

I am trying to create a php file that searches each line of a flatfile like a search engine. If someone enters type or typ i want it to search the flatfile for type or a whole string that has the type in it. I am confused about how to create it.

RyanJones

5ub51ded wrote:
I am trying to create a php file that searches each line of a flatfile like a search engine. If someone enters type or typ i want it to search the flatfile for type or a whole string that has the type in it. I am confused about how to create it.

Well, you can open the file into an array using file() and then go through each of that and using a function like strpos too check for the presence of the required string :-)

Cheers,

Ryan Jones

5ub51ded

what does strpos do? im not familiar with that function

RyanJones

5ub51ded wrote:
what does strpos do? im not familiar with that function

http://uk2.php.net/strpos

Sorry if the descriptiopn was a bit technical, maybe something like a code example would be more useful:

<?php
  $FileContentsArr = file('http://phpbuilder.com/board/index.php');
  # ^ The files location.  
  $SearchString     = 'PHP';
  # ^ String too search for, this can be easily modified to use $_GET, $_POST or anything else!
  #### Functional code now #################
  for ($i = 0; $i < count($FileContentsArr); $i++){
    if (strpos($FileContentsArr[$i], $SearchString) != 0){
      echo $FileContentsArr[$i] . "\n";
    }
  }
?>

First lines are confg lines.

The for loop goes through the array containing the contents of the file split up into an array (the array uses the new line as a dilimiter).
It then check for the presence ofthe search string in each line of the file (From the array) and then if found it outputs the line otherwise it continues untill the end of the file :-)

Cheers,

Ryan Jones

5ub51ded

i have a question if i have a file seperated by | i get confused how to explode each line to its own array to search for instance

i want it to search each word of the line and i want it to display something like the description with the link in a seperate area how would i do that? and thank you so much for helping me this gets confusing im learning this on my own

RyanJones

In that case try something more like this:

  $FileContentsArr = file('SomeLocation/Test.txt');
  # ^ The files location.  
  $SearchString     = 'link1';
  # String too search for, this can be easily modified to use $_GET, $_POST or anything else!
  for ($i = 0; $i < count($FileContentsArr); $i++){
    $CurrentParts = explode('|', $FileContentsArr[$i]);
    if ($CurrentParts[0] == $SearchString){
      echo $CurrentParts[1] . "\n";
    }
  }

Using the example file you provided I made a demo here:

http://allscience.spiralmindsinc.com/Testing/?Search=link2

Obviously you'll need to modify it too show links or what ever you like but the basic idea should work for you :-)

Cheers,

Ryan Jones

5ub51ded

thank you