PHP Text Hit Counter: fwrite(): supplied argument is not a valid stream resource

[bubu]

I'm newbie in PHP and I am coding a simple text counter. I'm using PHP version 4.3.4 in Xitami 2.5b4 and WinXP Pro.

When I execute the php file, this is the output:

./kounterfiles/~hitcounter~index.php.txt
Warning: fwrite(): supplied argument is not a valid stream resource in D:\WebDevelop\local\hitcounter\index.php on line 29

Warning: fclose(): supplied argument is not a valid stream resource in D:\WebDevelop\local\hitcounter\index.php on line 30

Hit Counter: Error opening file for reading.

Note: The "Error opening file for reading" is an error handler that I made due to the fact that it will overload ~350mb of RAM mem if it is not there. And also, it seems to be hiding the same error shown above it ("supplied argument is not a valid stream resource")...

Here is the code:

<?php

/*
	Based on php.inc.ru's counter
	Dev by BubuX ([email protected])
*/

// Config settings here
$file_dir = "./kounterfiles/";
$file_ext = ".txt";
$currfile = $file_dir . str_replace('/','~',$_SERVER['SCRIPT_NAME']) . $file_ext;
echo $currfile;
// Log visit
function log_visit() {
	$fp = fopen($currfile, "a");
	//if (!$fp) {
		//echo "<br>Hit Counter: Error opening file for appending.<br>";
		//}
	//else {
		$today = getdate();
		$month = $today[month];
		$mday = $today[mday];
		$year = $today[year];
		$date = $mday . $month . $year;
		$line = $REMOTE_ADDR . "|" . $mday . $month . $year . "\13\10";
		fwrite($fp, $line);
		fclose($fp);
	//}
}

// Show visit count
function show_visit() {
	$fp = fopen ($currfile, "r");
	if (!$fp) {
		echo "<br>Hit Counter: Error opening file for reading.<br>";
		}
	else {
		$visits = 0;
		while (!feof ($fp)) {
			$line = fgets($fp, 4096);
			$visits++;
			//echo $buffer;
		}
		fclose ($fp);
	
		// Display visits count
		echo $visits;
	}
}

log_visit();
show_visit();
?>

[bubu]

Ahh just found the answer!!!!
I didn't knowed about having to use the global statement for acessing variables outside a block... Like:

$outside_var = "God love you!";  // Declare a variable

function Glory() {
  echo $outside_var . "<br>";                                 // $outside_var = "" (inside this function)
  global $outside_var; // add reference to the oustide variable
                                 // Now $outside_var = "God love you!" (inside this function)

  echo $outside_var . "<br>";  //Test
} 

So now I recognize that the filename passed to fopn() was a "". Now the hit counter code stays like that:

<?php

/*
    Based on php.inc.ru's counter
    Dev by BubuX ([email protected])
*/

// Config settings here
$file_dir = "./kounterfiles/";
$file_ext = ".txt";
$currfile = $file_dir . str_replace('/','~',$_SERVER['SCRIPT_NAME']) . $file_ext;

// Log visit
function log_visit() {
    global $currfile;
    $fp = fopen($currfile, "a");
    //if (!$fp) {
        //echo "<br>Hit Counter: Error opening file for appending.<br>";
        //}
    //else {
        $today = getdate();
        $month = $today[month];
        $mday = $today[mday];
        $year = $today[year];
        $date = $mday . $month . $year;
        $line = $_SERVER['REMOTE_ADDR'] . "|" . $mday . $month . $year . "\13\10";
        fwrite($fp, $line);
        fclose($fp);
    //}
}

// Show visit count
function show_visit() {
    global $currfile;
    $fp = fopen ($currfile, "r");
    if (!$fp) {
        echo "<br>Hit Counter: Error opening file for reading.<br>";
        }
    else {
        $visits = 0;
        while (!feof ($fp)) {
            $line = fgets($fp, 4096);
            $visits++;
            //echo $buffer;
        }
        fclose ($fp);
    
        // Display visits count
        echo $visits;
    }
}

log_visit();
show_visit();
?>