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brunosermeus at gmail dot com
25-Dec-2005 06:08

I've creates this function to  have my own hitcounter on my site; the function writes to a file and returns the value.

Created by Mr.B

<?php
function hitcount()
{
$file = "counter.txt";
if ( !file_exists($file)){
       touch ($file);
       $handle = fopen ($file, 'r+'); // Let's open for read and write
       $count = 0;

}
else{
       $handle = fopen ($file, 'r+'); // Let's open for read and write
       $count = fread ($handle, filesize ($file));
       settype ($count,"integer");
}
rewind ($handle); // Go back to the beginning
/*
 * Note that we don't have problems with 9 being fewer characters than
  * 10 because we are always incrementing, so we will always write at
   * least as many characters as we read
   **/
fwrite ($handle, ++$count); // Don't forget to increment the counter
fclose ($handle); // Done 

return $count;
}  
?>

com dot gmail at trucex [reverse order]
02-Nov-2005 01:37

I used the config file reader written by mvanbeek at supporting-role dot co dot uk for one of my own script-xs. I have made some modifications, and turned it into a class. 

<?

class config_reader {
  var $filename;
  var $databaseHost;
  var $databaseName;
  var $databaseUser;
  var $databasePassword;

  function config_reader () {
   $this->filename = './settings.conf';
   $this->getSettings();
  }
  
  function getSettings () {
   $config = file($this->filename);
   reset($config);
   foreach ($config as $line) {
     $line = rtrim($line);  # Get rid of newline characters
     $line = ltrim($line);  # Get rid of any leading spaces
     if ($line == "" || $line == "\n" || strstr($line,"#") == 1) {
       next($config); 
     } else {  
       list($key, $value) = preg_split("/\s*=\s*/", $line, 2); # split by "=" and removing blank space either side of it.
       $this->$key = $value;
     }
   }
  }
}

?>

Changes: 
 - I have cleaned up the layout of the code for readability and faster execution. 
 - I have moved the rtrim and ltrim functions to execute before the line check, to make sure the line wasn't just a space, or a comment after a space. 
 - I changed strstr($line, "#") to strstr($line, "#") == 1 to make sure that lines with a comment after the values are not left behind. 
 - I also changed the way preg_split assigns the results, primarily to clean up the code. 
 - I changed the way values are assigned to the variables. For me, this works better because I only needed to get the database information from the user. If you would like a dynamic listing of variables, do the following:

Remove the following lines:
<?
var $databaseHost;
var $databaseName;
var $databaseUser;
var $databasePassword;
?>

Add this line: (commented lines are only to provide location for new line)
<?
#class config_reader {
  #var $filename;
   var $settings; #ADD THIS LINE
?>

Then change this line: 
<?
$this->$key = $value;
?> 

to this: 
<?
$this->settings[$key] = $value;
?>

NOTE: This has not actually been executed, so their might be a small error. I don't recommend use of this script-x by those new to PHP, as you will need an understanding of file permissions and setting the variables in classes.

rohan (dot) mk1 (at) gmail (dot) com
11-Sep-2005 01:59

This code will help you if you want to pass the URL to the script-x by GET and the URL includes "&", so the address bar  looks like "http://www.example.com/script-x.php
?url=http://www.example.com/script-x2.php
?var1=value1&var2=value2&var3=value3"
and the effect of
echo $_GET['url'];
is
"url=http://www.example.com/script-x2.php?var1=value1"
because everything after the "&" is stored in other variables, so the $_GET array contains the foollowing key/value pairs:

$_GET
(
[url] => url=http://www.example.com/script-x2.php?var1=value1
[var2] => value2
[var3] => value3
)

This will give the file() function the proper url:

<?php
$url = $_GET['url'];
$array = array();
$count = 1; //removes the $url from $array, also a counter for custom variables
//if you want to pass multiple variables to the script-x, they must be before $url in $_GET
if (array_key_exists('customvar1', $_GET))
{
$count += 1; //increases the counter
}
while (list($key, $val) = each($_GET)) {
if ($count) //if ($count <> 0), else stops decreasing the counter and starts defining $array
{
$count -= 1;
} else {
$array[] = $key . "=" . $val;
}
}
$urlending = "&" . implode("&", $array); //the proper ending of the address
$url .= $urlending;
?>
the counter may be removed, but $array will also contain $url, so be careful and use only:
$url = implode("&", $array);

If you can't use the following code for any reason, pass to the script-x the address with additional "anything=" after every "&" and then use
$url .= implode ('&', $_GET);
NOTE:
The 'anythings' must be different after each '&'.

Hope thet helps someone

undejj
28-Jul-2005 03:11

I created a function to grab the title of a file from another central file that associates filenames to titles, one per line.

Format of the titles.ini file is:
"filename.ext","This is my title"
"filename2.ext","This is another title"

<?php
function filetitle($file)
{
   $lines = file("files/titles.ini");
   foreach ($lines as $key => $value) {
       if(strpos($value, $file) > 0) {
           $s = strpos($value, ",")+2;
           $title = substr($value, $s, -2);
           break;
       } else {
           $title = $file;
           break;
       }
   }
   return $title;
}
?>

I use this for directory listings where the filenames are not very descript-xive.

camilokawerin(at)ciudad(dot)com(dot)ar
21-Mar-2005 12:46

This function allows to read configuration files like this:

[level_0]
     total=>8
     [level_1]
         1=3
     [/level_1]
     [level_1]
         [level_2]
             1=something
         [/level_2]
     [/level_1]
[/level_0]

where 'level_n' may be replaced by any label to create a tree structure. This is usefull to fill an array with all the values you need in one script-x.

$archivo="configuration.txt";
$resultado=file($archivo);
reset($resultado);
$n=0;
foreach ($resultado as $linea) {
if (ereg("^\[\/.*\]$", rtrim($linea))) {  //close labels
$n=$n-1;  
} 
elseif (ereg("^\[.*\]$", trim($linea), $nombre)) {  //open labels
$n+=1;
$nivel[$n]=ereg_replace("(\[|\])", "", $nombre[0]);
}
elseif (($linea!="") and ($linea!="\n") and !ereg("(\/\*|\*\/)", $linea)) { //ignore empty lines and comments in '/* */' format
$pares=explode("=", trim($linea));  //separate key and value
for($i=$n; $i>0; $i--) { //fill the array
if ($i==$n) {${$nivel[$i]}[$pares[0]]=$pares[1]; }
else {${$nivel[$i]}[$nivel[$i+1]]=${$nivel[$i+1]}; }
}
$propiedades[$nivel[1]]=${$nivel[1]};
}
}

redzia
08-Feb-2005 03:55

Example usage of file to remove line containing a key string
<?

$key = "w3ty8l";

//load file into $fc array

$fc=file("some.txt");

//open same file and use "w" to clear file 

$f=fopen("some.txt","w");

//loop through array using foreach

foreach($fc as $line)
{
     if (!strstr($line,$key)) //look for $key in each line
           fputs($f,$line); //place $line back in file 
}
fclose($f);

?>

Jason dot haymer at Haymer dot co dot uk
14-Jan-2005 04:58

Beware of using file() to call a URL from a remote server on a live Web site, as there is no way to set a maximum connection time.

To exemplify this I cite the circumstance of a Web site which receives content from a remote server in the form of an XML feed. If the remote server does not respond, the Web page will hang and if this is a regular occurance, the parts of the Web site which use the feed may often prove inaccessible to search engine robots, possibly resulting in their removal from the search engine indices.

Here is an alternative function which like file() can be used to retrieve a remote feed, but which imposes a maximum connection time, after which the page will be displayed without the feed.

<?

function fetchUrlWithoutHanging($url)
   {
   // Set maximum number of seconds (can have floating-point) to wait for feed before displaying page without feed
   $numberOfSeconds=4;    

   // Suppress error reporting so Web site visitors are unaware if the feed fails
   error_reporting(0);

   // Extract resource path and domain from URL ready for fsockopen

   $url = str_replace("http://","",$url);
   $urlComponents = explode("/",$url);
   $domain = $urlComponents[0];
   $resourcePath = str_replace($domain,"",$url);

   // Establish a connection
   $socketConnection = fsockopen($domain, 80, $errno, $errstr, $numberOfSeconds);

   if (!$socketConnection)
       {
       // You may wish to remove the following debugging line on a live Web site
       print("<!-- Network error: $errstr ($errno) -->");
       }    // end if
   else    {
       $xml = '';
       fputs($socketConnection, "GET /$resourcePath HTTP/1.0\r\nHost: $domain\r\n\r\n");
   
       // Loop until end of file
       while (!feof($socketConnection))
           {
           $xml .= fgets($socketConnection, 128);
           }    // end while

       fclose ($socketConnection);

       }    // end else

   return($xml);

   }    // end function

?>

rpanning at hotmail dot com
10-Jan-2005 08:50

A quick way to trim the array:
<?php 
function file_trim(&$value, $key)
{ $value = trim($value); }

$file = file('name.txt');
@array_walk($file, 'file_trim');
?>

corychristison[-At]lavacube(dot.)com
04-Jan-2005 02:56

Just realized that the function I posted above should have one small modification:

The line: 
<?php
           // add line to array, do an rtrim()
           $open_data[$line] = rtrim(fgets($open, $buffer_size));
?>

Should probably be: 
<?php
           // add line to array, do an rtrim()
           $open_data[$line] = rtrim(fgets($open, $buffer_size), "\n");
?>

corychristison[-At]lavacube(dot.)com
23-Dec-2004 01:52

The file function will load the entire file before you can do anything to it [remove lines, explode() each line, and so on...]

I wrote a function [ file_v2() ] to help eliminate the restrictions of file(). Below are a few features/abilites file_v2() has over file().

file_v2() features:
 - uses an editable buffer size, for performance tweaking.
 - ability set maximum lines returned[from beginning]
 - optional automatically rtrim the line
 - optional ability to provide a callback function for each array element

Here is the code:

<?php

function file_v2 ( $filename, $return_max_lines=0, $callback_func=null, $do_rtrim=true, $buffer_size=1024 )
{

   // open file pointer
   $open = fopen( $filename, 'rb' );

   // start an array [good coding practice]
   $open_data = array();

   // start an internal line counter [good coding practice]
   $line=0;

   // begin the loop
   while( !feof($open) )
   {
       if( $do_rtrim )
       {
           // add line to array, do an rtrim()
           $open_data[$line] = rtrim(fgets($open, $buffer_size));
       }
       else
       {
           // add line to array
           $open_data[$line] = fgets($open, $buffer_size);
       }

       if( $callback_func != null && function_exists( $callback_func ) )
       {
           eval($callback_func . '($open_data[$line]);');
       }

       // +1 to the internal line counter
       $line++;
       
       if( $return_max_lines > 0 )
       {
           if( $line >= $return_max_lines )
           {
               break;
           }
       }
   }

   // close the file pointer
   fclose($open);

   // return the data
   return $open_data;
}

?>

Example usage:

=========
file_test.txt
=========
01    firstname_1    lastname_1    fake_email@fake_addr1.fk
02    firstname_2    lastname_2    fake_email@fake_addr2.fk
03    firstname_3    lastname_3    fake_email@fake_addr3.fk
04    firstname_4    lastname_4    fake_email@fake_addr4.fk
05    firstname_5    lastname_5    fake_email@fake_addr5.fk
06    firstname_6    lastname_6    fake_email@fake_addr6.fk
07    firstname_7    lastname_7    fake_email@fake_addr7.fk
08    firstname_8    lastname_8    fake_email@fake_addr8.fk
09    firstname_9    lastname_9    fake_email@fake_addr9.fk
10    firstname_10    lastname_10    fake_email@fake_addr10.fk
11    firstname_11    lastname_11    fake_email@fake_addr11.fk
12    firstname_12    lastname_12    fake_email@fake_addr12.fk

=========
test.php
=========
<?php

// we will assume the function is in here somewhere

// create a callback function
function mk_callback( &$input )
{
   $input = explode("\t", $input);
}

$open = file_v2('file_test.txt', 3, 'mk_callback');

// output array using print_r()
print_r($open);

?>

Example will output:
Array
(
   [0] => Array
       (
           [0] => 01
           [1] => firstname_1
           [2] => lastname_1
           [3] => fake_email@fake_addr1.fk
       )

   [1] => Array
       (
           [0] => 02
           [1] => firstname_2
           [2] => lastname_2
           [3] => fake_email@fake_addr2.fk
       )

   [2] => Array
       (
           [0] => 03
           [1] => firstname_3
           [2] => lastname_3
           [3] => fake_email@fake_addr3.fk
       )

)

This is one of my few contributions to this fine world.
Happy coding everybody!

   - Cory Christison

thecelestialcelebi^hotmail$com
03-Oct-2004 07:33

<?php
$textfile = "Includes/Quotes.txt";      //quotes file
if ($quotes = @file("$textfile")) {    //don't display errors on file open
   $quote = rand(0, sizeof($quotes)-1);
   echo $quotes[$quote];                //echo a random quote
}else{
   echo ("default quote");          //if quotes file wasn't found, echo out a default quote
}
?> 

Why all those variables? :x

<?php
$sTextfile = "Includes/Quotes.txt";      //quotes file
if ($aQuotes = @file($sTextfile)) { // NO VARIABLES INSIDE QUOTES  //don't display errors on file open
   echo $aQuotes[array_rand($aQuotes)];                //echo a random quote
}
else
{
   echo 'blaat';
}
?>

andyg at stingrayboats dot com
21-Jul-2004 08:27

i tried for quite sometime to get my pdf to attach right some of you may want to try reading it as binary first then base 64 it.

//this did not work for me with a pdf file it came in garbled
$data = chunk_split(base64_encode(implode("", file($filelocation))));
//but tis seemed to make it work correctly
$data = fread($file,filesize($filelocation));
   fclose($file);
   $data = chunk_split(base64_encode($data));

kangaroo232002 at yahoo dot co dot uk
18-Jun-2004 12:03

Instead of using file() for parsing ini / conf files, as shown in mvanbeek at supporting-role dot co dot uk's example below (above?), a great function that puts all your conf info into an associative array is parse_ini_file($filename); very useful !

ian.

J at TIPPELL dot com
12-Jun-2004 02:18

heres a little script-x to return a random quote from a quotes file.

<?php
$textfile = "Includes/Quotes.txt";      //quotes file
if ($quotes = @file("$textfile")) {    //don't display errors on file open
   $quote = rand(0, sizeof($quotes)-1);
   echo $quotes[$quote];                //echo a random quote
}else{
   echo ("default quote");          //if quotes file wasn't found, echo out a default quote
}
?>

lance at lancemiller dot org
14-Apr-2004 05:55

This is just a presentation idea extending the php example.
Anchor links as line numbers and the document in a table data
field of it's own so it can be easily copy/pasted.
<?php
$lines=file("http://www.example.com");
echo "<table border=1><tr><td>\n";
foreach ($lines as $line_num => $line) {
echo "<a name=".$line_num."><a href=\"#".$line_num."\">".$line_num."</a><br>\n";
}
echo "</td><td>\n";
foreach ($lines as $line_num => $line) {
echo htmlspecialchars($line)."<br />\n";
} 
echo "</td></tr></table>\n";
?>

http://iubito.free.fr
29-Feb-2004 08:09

Another way to do mvanbeek at supporting-role dot co dot uk (31 december) config reader.

I've an array $config
<?php
   $array_tmp = file('configfile.txt');
   foreach($array_tmp as $v)
   {
       if ((substr(trim($v),0,1)!=';') && (substr_count($v,'=')>=1))
       {//Line mustn't start with a ';' and must contain at least one '=' symbol.
           $pos = strpos($v, '=');
           $config[trim(substr($v,0,$pos))] = trim(substr($v, $pos+1));
       }
   }
   unset($array_tmp);
?>

The configfile :
   variable  =    value
will be loaded into $config['variable'] = 'value';
it trims spaces near the '=', don't read lines starting with a ';' (it can have spaces and tabs before the ';' ).

Have a nice day :)

skipjack at skipjack dot info
12-Feb-2004 10:45

this a little function I wrote that checks if two ascii files are the same. 
it opens the file then removes the spaces then coverts the crc32 to base 10 and compares the results. 
function fcheck($tool)
{    if(fopen("file.01", "r") != FALSE){
   $fp1 = 'file.02';
   $fp = 'semcond.01';

   $data = implode(" ", file($fp));
   $data1 = implode(" ", file($fp1));
   $test1 = (dechex(crc32($data)));
   $test2 = (dechex(crc32($data1)));
     if($test1 == $test2)
         $sfv_checksum = 'TRUE';
           else
             $sfv_checksum = 'FALSE';
         return $sfv_checksum;
   }

}

mvanbeek at supporting-role dot co dot uk
31-Dec-2003 05:39

I needed a cross platform config file for a project using both perl and php, so I used the perl script-x in the Perl Cookbook, and wrote the following PHP script-x. This going in an include file that all the PHP files reference, so the only thing that needs to be do for set up, is to set the location of the config file.

$filename = "/opt/ssis/includes/ssis-config";
$config = file($filename);
reset ($config);
foreach ($config as $line)
     {
     if ( $line == "" ) next($config);          # Ignore blankline
     elseif ( $line == "\n" ) next($config);      # Ignore newline
     elseif ( strstr($line,"#")) next($config); # Ignore comments
     else
         {
         $line = rtrim($line);  # Get rid of newline characters
         $line = ltrim($line);  # Get rid of any leading spaces
         $value = preg_split("/\s*=\s*/", $line, 2); # split by "=" and removing blank space either side of it.
         ${Settings}["$value[0]"] = $value[1]; # Create a new array with all the values.
         }
     }

I am sure there is a neater way of doing it, but all the Config libaries floating arround seemed very complicated. All the config file needs is a series of lines ( key = value ) in plain text.

global-thenumberafterzero at nospam dot web dot de
31-Oct-2003 03:21

If you want a more powerful tool to open files you may want to use the curllib functions. If curllib is installed on your Server it is probably the best (but not fastest) tool for opening files. More information you can find here:

http://curl.haxx.se
or on php.net:
http://de.php.net/manual/de/ref.curl.php

dir @ badblue com
12-Sep-2003 09:48

Jeff's array2file function is a good start; here are a couple of improvements (no possibility of handle leak when fwrite fails, additional capability of both string2file and array2file; presumably faster performance through use of implode).

function String2File($sIn, $sFileOut) {
  $rc = false;
  do {
   if (!($f = fopen($sFileOut, "wa+"))) {
     $rc = 1; break;
   }
   if (!fwrite($f, $sIn)) {
     $rc = 2; break;
   }
   $rc = true;
  } while (0);
  if ($f) {
   fclose($f);
  }
  return ($rc);
}

function Array2File($aIn, $sFileOut) {
  return (String2File(implode("\n", $aIn), $sFileOut));
}

If you're generating your string text using a GET or POST from a TEXTAREA (e.g., a mini-web-text-editor), remember that strip_slashes and str_replace of "/r/n" to "/n" may be necessary as well using these functions.

HTH --dir @ bad

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