Solved

Parse error: syntax error, unexpected '$', expecting variable (T_VARIABLE) in C:\wamp\www\phpvqp3_scripts\ch08\WriteToFile.php on line 51

Posted on 2014-03-08
3
1,029 Views
Last Modified: 2014-03-09
from larry ulman php tutorial

this file appears to be standalone

I do not know how to name a variable in line 51

<?php # Script 8.3 - WriteToFile2.php
// This page defines a WriteToFile and a FileException class.

/* The FileException class.
 * The class creates one new method: getDetails().
 */
class FileException extends Exception {

    // For returning more detailed error messages:
    function getDetails() {

        // Return a different message based upon the code:
        switch ($this->code) {
            case 0:
                return 'No filename was provided';
                break;
            case 1:
                return 'The file does not exist.';
                break;
            case 2:
                return 'The file is not a file.';
                break;
            case 3:
                return 'The file is not writable.';
                break;
            case 4:
                return 'An invalid mode was provided.';
                break;
            case 5:
                return 'The data could not be written.';
                break;
            case 6:
                return 'The file could not be closed.';
                break;
            default:
                return 'No further information is available.';
                break;
        } // End of SWITCH.
    
    } // End of getDetails() method.
    
} // End of FileException class.

/* The WriteToFile class.
 * The class contains one attribute: $_fp.
 * The class contains three methods: __construct(), write(), close(), and __destruct().
 */
class WriteToFile {
    
    // For storing the file pointer:
    private $
 = NULL;

    // For storing an error message:
    private $_message = '';
    
    // Constructor opens the file:
    function __construct($file = null, $mode = 'w') {
    
        // Assign the file name and mode
        // to the message attribute:
        $this->_message = "File: $file Mode: $mode";
        
        // Make sure a file name was provided:
        if (empty($file)) throw new FileException($this->_message, 0);

        // Make sure the file exists:
        if (!file_exists($file)) throw new FileException($this->_message, 1);

        // Make sure the file is a file:
        if (!is_file($file)) throw new FileException($this->_message, 2);

        // Make sure the file is writable, when necessary
        if (!is_writable($file)) throw new FileException($this->_message, 3);

        // Validate the mode:
        if (!in_array($mode, array('a', 'a+', 'w', 'w+'))) throw new FileException($this->_message, 4);
                
        // Open the file:
        $this->_fp = fopen($file, $mode);

    } // End of constructor.
    
    // This method writes data to the file:
    function write($data) {

        // Confirm the write:
        if (@!fwrite($this->_fp, $data . "\n")) throw new FileException($this->_message . " Data: $data", 5);

    } // End of write() method.
    
    // This method closes the file:
    function close() {

        // Make sure it's open:
        if ($this->_fp) {
            if (@!fclose($this->_fp)) throw new FileException($this->_message, 6);
            $this->_fp = NULL;
        }   

    } // End of close() method.

    // The destructor calls close(), just in case:
    function __destruct() {
        $this->close();
    } // End of destructor.
    
} // End of WriteToFile class.

Open in new window




Parse error: syntax error, unexpected '$', expecting variable (T_VARIABLE) in C:\wamp\www\phpvqp3_scripts\ch08\WriteToFile.php on line 51
0
Comment
Question by:rgb192
[X]
Welcome to Experts Exchange

Add your voice to the tech community where 5M+ people just like you are talking about what matters.

  • Help others & share knowledge
  • Earn cash & points
  • Learn & ask questions
3 Comments
 
LVL 31

Accepted Solution

by:
Marco Gasi earned 400 total points
ID: 39915472
I think that name should be $_fp: in fact, in the rest of the script the code refers to $this->_fp but the declaration of this variable is missing...
0
 
LVL 58

Assisted Solution

by:Gary
Gary earned 100 total points
ID: 39915858
This shouldn't be on two lines for a start

   private $
 = NULL;
0
 

Author Closing Comment

by:rgb192
ID: 39915909
file runs and this appears to work

the tutorial does not call the file, so i can not test

thanks
0

Featured Post

Industry Leaders: We Want Your Opinion!

We value your feedback.

Take our survey and automatically be enter to win anyone of the following:
Yeti Cooler, Amazon eGift Card, and Movie eGift Card!

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

These days socially coordinated efforts have turned into a critical requirement for enterprises.
This article discusses how to create an extensible mechanism for linked drop downs.
This tutorial will teach you the core code needed to finalize the addition of a watermark to your image. The viewer will use a small PHP class to learn and create a watermark.
The viewer will learn how to create a basic form using some HTML5 and PHP for later processing. Set up your basic HTML file. Open your form tag and set the method and action attributes.: (CODE) Set up your first few inputs one for the name and …

630 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question