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class/Friends.php (8 issues)

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<?php
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namespace XoopsModules\Smallworld;
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/**
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 * You may not change or alter any portion of this comment or credits
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 * of supporting developers from this source code or any supporting source code
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 * which is considered copyrighted (c) material of the original comment or credit authors.
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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 */
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use XoopsModules\Smallworld\Constants;
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/**
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 * SmallWorld
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 *
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 * @copyright    The XOOPS Project (https://xoops.org)
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 * @copyright    2011 Culex
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 * @license      GNU GPL (http://www.gnu.org/licenses/gpl-2.0.html/)
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 * @package      SmallWorld
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 * @since        1.0
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 * @author       Michael Albertsen (http://culex.dk) <[email protected]>
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 */
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class Friends
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{
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    /**
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     * Show friends of ID
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     *
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     * @deprecated - DO NOT USE
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     * @todo unfinished - needs completion
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     *
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     * @param int $id
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     * @return string
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     */
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    public function showFriends($id)
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    {
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        if ($GLOBALS['xoopsUser'] && ($GLOBALS['xoopsUser'] instanceof \XoopsUser)) {
0 ignored issues
show
The class XoopsUser does not exist. Did you forget a USE statement, or did you not list all dependencies?

This error could be the result of:

1. Missing dependencies

PHP Analyzer uses your composer.json file (if available) to determine the dependencies of your project and to determine all the available classes and functions. It expects the composer.json to be in the root folder of your repository.

Are you sure this class is defined by one of your dependencies, or did you maybe not list a dependency in either the require or require-dev section?

2. Missing use statement

PHP does not complain about undefined classes in ìnstanceof checks. For example, the following PHP code will work perfectly fine:

if ($x instanceof DoesNotExist) {
    // Do something.
}

If you have not tested against this specific condition, such errors might go unnoticed.

Loading history...
41
            $user   = new \XoopsUser($id);
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            $myName = $user->getUnameFromId((int)$id); // My name
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            $swDB   = new SwDatabase();
0 ignored issues
show
$swDB is not used, you could remove the assignment.

This check looks for variable assignements that are either overwritten by other assignments or where the variable is not used subsequently.

$myVar = 'Value';
$higher = false;

if (rand(1, 6) > 3) {
    $higher = true;
} else {
    $higher = false;
}

Both the $myVar assignment in line 1 and the $higher assignment in line 2 are dead. The first because $myVar is never used and the second because $higher is always overwritten for every possible time line.

Loading history...
44
            $check  = new User();
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        }
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        return [(int)$id => $myName];
0 ignored issues
show
The variable $myName does not seem to be defined for all execution paths leading up to this point.

If you define a variable conditionally, it can happen that it is not defined for all execution paths.

Let’s take a look at an example:

function myFunction($a) {
    switch ($a) {
        case 'foo':
            $x = 1;
            break;

        case 'bar':
            $x = 2;
            break;
    }

    // $x is potentially undefined here.
    echo $x;
}

In the above example, the variable $x is defined if you pass “foo” or “bar” as argument for $a. However, since the switch statement has no default case statement, if you pass any other value, the variable $x would be undefined.

Available Fixes

  1. Check for existence of the variable explicitly:

    function myFunction($a) {
        switch ($a) {
            case 'foo':
                $x = 1;
                break;
    
            case 'bar':
                $x = 2;
                break;
        }
    
        if (isset($x)) { // Make sure it's always set.
            echo $x;
        }
    }
    
  2. Define a default value for the variable:

    function myFunction($a) {
        $x = ''; // Set a default which gets overridden for certain paths.
        switch ($a) {
            case 'foo':
                $x = 1;
                break;
    
            case 'bar':
                $x = 2;
                break;
        }
    
        echo $x;
    }
    
  3. Add a value for the missing path:

    function myFunction($a) {
        switch ($a) {
            case 'foo':
                $x = 1;
                break;
    
            case 'bar':
                $x = 2;
                break;
    
            // We add support for the missing case.
            default:
                $x = '';
                break;
        }
    
        echo $x;
    }
    
Loading history...
48
    }
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    /**
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     * Get friends array of ID
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     *
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     * must be registered user to call this function
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     *
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     * @param int    $id
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     * @param string $action
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     * @return array - empty if nothing found or not authorized
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     */
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    public function getFriends($id, $action)
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    {
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        $id = (int)$id;
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        $data   = [];
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        if ($GLOBALS['xoopsUser'] && ($GLOBALS['xoopsUser'] instanceof \XoopsUser)) {
0 ignored issues
show
The class XoopsUser does not exist. Did you forget a USE statement, or did you not list all dependencies?

This error could be the result of:

1. Missing dependencies

PHP Analyzer uses your composer.json file (if available) to determine the dependencies of your project and to determine all the available classes and functions. It expects the composer.json to be in the root folder of your repository.

Are you sure this class is defined by one of your dependencies, or did you maybe not list a dependency in either the require or require-dev section?

2. Missing use statement

PHP does not complain about undefined classes in ìnstanceof checks. For example, the following PHP code will work perfectly fine:

if ($x instanceof DoesNotExist) {
    // Do something.
}

If you have not tested against this specific condition, such errors might go unnoticed.

Loading history...
64
            switch ($action) {
65 View Code Duplication
                case 'pending':
0 ignored issues
show
This code seems to be duplicated across your project.

Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation.

You can also find more detailed suggestions in the “Code” section of your repository.

Loading history...
66
                    $sql = 'SELECT * FROM ' . $GLOBALS['xoopsDB']->prefix('smallworld_friends') . " WHERE me = '" . $id . "' AND status = " . Constants::FRIEND_STATUS_PENDING;
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                    break;
68 View Code Duplication
                case 'friends':
0 ignored issues
show
This code seems to be duplicated across your project.

Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation.

You can also find more detailed suggestions in the “Code” section of your repository.

Loading history...
69
                    $sql = 'SELECT * FROM ' . $GLOBALS['xoopsDB']->prefix('smallworld_friends') . " WHERE me = '" . $id . "' AND status = " . Constants::FRIEND_STATUS_APPROVED;
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                    break;
71 View Code Duplication
                case 'following':
0 ignored issues
show
This code seems to be duplicated across your project.

Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation.

You can also find more detailed suggestions in the “Code” section of your repository.

Loading history...
72
                    $sql = 'SELECT * FROM ' . $GLOBALS['xoopsDB']->prefix('smallworld_followers') . " WHERE me = '" . $id . "'";
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                    break;
74 View Code Duplication
                case 'followingme':
0 ignored issues
show
This code seems to be duplicated across your project.

Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation.

You can also find more detailed suggestions in the “Code” section of your repository.

Loading history...
75
                    $sql = 'SELECT * FROM ' . $GLOBALS['xoopsDB']->prefix('smallworld_followers') . " WHERE you = '" . $id . "'";
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                    break;
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                default:
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                    return $data;
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            }
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            $result = $GLOBALS['xoopsDB']->queryF($sql);
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            while (false !== ($row = $GLOBALS['xoopsDB']->fetchArray($result))) {
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                $data[] = $row;
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            }
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        }
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        return $data;
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    }
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}
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