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preg_match won't accept a variable as a parameter!!!


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Heya I'm having some problem with my code, take a look:

 

static function ripDictionary($dictPath, $regexPattern, $numKeyWordsToAquire){

        $file = fopen($dictPath, "r") or exit("Failed to open the dictionary");

        
        echo $regexPattern ."<br>";
        echo $numKeyWordsToAquire ."<br>";
        

        while(!feof($file)){
            
            $line = fgets($file);

            if(preg_match($regexPattern, $line, $matches)){
                for($i=1; $i<=$numKeyWordsToAquire; $i++){
                    echo $matches[$i] . " ";
                }
                echo "<br/>";
            }
            else{
                echo "No match<br>";
            }

        }
        
        fclose($file);
    }

 

Ok, so when I run this nothing is returned, I just scroll down to see a tonne of blankness.

I think the problem has got something to do with me passing preg_match the $regexPattern variable,

because if I add in the line:

$regexPattern = "/(.*) (.*) \\[(.*)\\] (.*)/";   

before the while loop it works just fine.

 

Can anybody help me out, this is really annoying me. Could it be to do with the fact that the $regexPattern variable is being passed to this static function from a completely different class and .php file or that the regexPattern is coming from post data?

 

This is the HTML file I am using to submit the form too, just incase there are any abnormalities there take a look:

 

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    <title></title>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
  </head>
  <body>
      <form action="uploadDict.php" method="post" enctype="multipart/form-data">
          <label for="file">Filename: </label>
          <br />
          <input type="file" name="file" id="file" />
          <br />
          <label for="regexPattern">Regex Pattern: </label>
          <input type="text" name="regexPattern" id="regexPattern">
          <br/>
          <label for="numKeyword">Number of keywords to aquire: </label>
          <input type="text" name="numKeyword" id="numKeyword">
          <br/>
          <input type="submit" name="submit" value="submit" />
      </form>
  </body>
</html>

 

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