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reference.html
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title></title>
<meta http-equiv="content-type" content="text/html; charset=UTF-8" />
<style type="text/css">
* { margin: 0px; padding: 0px; }
body
{
padding: 30px;
font-family: Calibri, Verdana, "Sans Serif";
font-size: 12px;
}
table
{
width: 800px;
margin: 0px auto;
}
th, td
{
padding: 3px;
}
.right
{
text-align: right;
}
h1
{
color: #FF0000;
border-bottom: 2px solid #000000;
margin-bottom: 15px;
}
p { margin: 10px 0px; }
p.faded { color: #505050; }
ul
{
margin: 20px;
}
</style>
</head>
<body>
<h1>SimpleUsers Method and Member reference</h1>
<h2>Index</h2>
<ul>
<li><a href="#construct">SimpleUsers::__construct()</a></li>
<li><a href="#createUser">SimpleUsers::createUser( string $username, string $password )</a></li>
<li><a href="#loginUser">SimpleUsers::loginUser( string $username, string $password )</a></li>
<li><a href="#setInfo">SimpleUsers::setInfo( string $key, string $value [, int $userId] )</a></li>
<li><a href="#getInfo">SimpleUsers::getInfo( string $key [, int $userId] )</a></li>
<li><a href="#getInfoArray">SimpleUsers::getInfoArray( [int $userId] )</a></li>
<li><a href="#logoutUser">SimpleUsers::logoutUser()</a></li>
<li><a href="#setPassword">SimpleUsers::setPassword( string $password [, int $userId] )</a></li>
<li><a href="#getUsers">SimpleUsers::getUsers()</a></li>
<li><a href="#getSingleUser">SimpleUsers::getSingleUser( [int $userId] )</a></li>
<li><a href="#deleteUser">SimpleUsers::deleteUser( int $userId )</a></li>
<li><a href="#logged_in">SimpleUsers::logged_in</a></li>
<li><a href="#userdata">SimpleUsers::userdata</a></li>
</ul>
<h2>Methods</h2>
<p id="construct">
<strong>SimpleUsers::__construct()</strong>
</p>
<p class="faded">
Object construct verifies that a session has been started and that a MySQL connection can be established.<br />
It takes no parameters.
</p>
<p>
<fieldset>
<legend>Example</legend>
<code>
<span style="color: #0000BB"><?php<br /> $SimpleUsers </span><span style="color: #007700">= new </span><span style="color: #0000BB">SimpleUsers</span><span style="color: #007700">();<br /></span><span style="color: #0000BB">?><br /></span>
</span>
</code>
</fieldset>
</p>
<p id="createUser">
<strong>SimpleUsers::createUser( string $username, string $password )</strong>
</p>
<p class="faded">
Returns a (int)user id, if the user was created succesfully.
If not, it returns (bool)false.
</p>
<p>
<fieldset>
<legend>Example</legend>
<code><span style="color: #000000">
<span style="color: #0000BB"><?php
<br />
<br /> $SimpleUsers </span><span style="color: #007700">= new </span><span style="color: #0000BB">SimpleUsers</span><span style="color: #007700">();
<br />
<br /> </span><span style="color: #0000BB">$res </span><span style="color: #007700">= </span><span style="color: #0000BB">$SimpleUsers</span><span style="color: #007700">-></span><span style="color: #0000BB">createUser</span><span style="color: #007700">(</span><span style="color: #DD0000">"John"</span><span style="color: #007700">, </span><span style="color: #DD0000">"qwerty"</span><span style="color: #007700">);
<br /> if( </span><span style="color: #0000BB">$res </span><span style="color: #007700">)
<br /> echo </span><span style="color: #DD0000">"User was created with userId: "</span><span style="color: #007700">.</span><span style="color: #0000BB">$res</span><span style="color: #007700">;
<br /> else
<br /> echo </span><span style="color: #DD0000">"The username was already taken."</span><span style="color: #007700">;
<br />
<br /></span><span style="color: #0000BB">?></span>
</span>
</code>
</fieldset>
</p>
<p id="loginUser">
<strong>SimpleUsers::loginUser( string $username, string $password )</strong>
</p>
<p class="faded">
Pairs up username and password as registrered in the database.<br />
If the username and password is correct, it will return (int)user id of
the user which credentials has been passed and set the session, for
use by the user validating.
</p>
<p>
<fieldset>
<legend>Example</legend>
<code><span style="color: #000000">
<span style="color: #0000BB"><?php
<br />
<br /> $SimpleUsers </span><span style="color: #007700">= new </span><span style="color: #0000BB">SimpleUsers</span><span style="color: #007700">();
<br />
<br /> </span><span style="color: #0000BB">$res </span><span style="color: #007700">= </span><span style="color: #0000BB">$SimpleUsers</span><span style="color: #007700">-></span><span style="color: #0000BB">loginUser</span><span style="color: #007700">(</span><span style="color: #DD0000">"John"</span><span style="color: #007700">, </span><span style="color: #DD0000">"qwerty"</span><span style="color: #007700">);
<br />
<br /> if( </span><span style="color: #0000BB">$res </span><span style="color: #007700">)
<br /> {
<br /> </span><span style="color: #0000BB">header</span><span style="color: #007700">(</span><span style="color: #DD0000">"Location: ..."</span><span style="color: #007700">);
<br /> exit;
<br /> }
<br /> else
<br /> {
<br /> echo </span><span style="color: #DD0000">"You passed the wrong credentials."</span><span style="color: #007700">;
<br /> }
<br />
<br /></span><span style="color: #0000BB">?></span>
</span>
</code>
</fieldset>
</p>
<p id="setInfo">
<strong>SimpleUsers::setInfo( string $key, string $value [, int $userId] )</strong>
</p>
<p class="faded">
Sets a custom information pair, consisting of a key name and that keys value for a user.
Setting the third parameter sets the provided information for a given user, instead of the one calling it.
</p>
<p>
<fieldset>
<legend>Example #1</legend>
<code><span style="color: #000000">
<span style="color: #0000BB"><?php
<br />
<br /> $SimpleUsers </span><span style="color: #007700">= new </span><span style="color: #0000BB">SimpleUsers</span><span style="color: #007700">();
<br />
<br /> </span><span style="color: #FF8000">// Store information for the current user
<br /> </span><span style="color: #0000BB">$SimpleUsers</span><span style="color: #007700">-></span><span style="color: #0000BB">setInfo</span><span style="color: #007700">(</span><span style="color: #DD0000">"fullname"</span><span style="color: #007700">, </span><span style="color: #DD0000">"John Doe"</span><span style="color: #007700">);
<br /></span><span style="color: #0000BB">?></span>
</span>
</code>
</fieldset>
</p>
<p>
<fieldset>
<legend>Example #2</legend>
<code><span style="color: #000000">
<span style="color: #0000BB"><?php
<br />
<br /> $SimpleUsers </span><span style="color: #007700">= new </span><span style="color: #0000BB">SimpleUsers</span><span style="color: #007700">();
<br />
<br /> </span><span style="color: #FF8000">// Store information for the user with userId provided in the third parameter.
<br /> // This is useful for administrators when wanting to assign, edit or empty stored information about a user
<br /> </span><span style="color: #0000BB">$SimpleUsers</span><span style="color: #007700">-></span><span style="color: #0000BB">setInfo</span><span style="color: #007700">(</span><span style="color: #DD0000">"fullname"</span><span style="color: #007700">, </span><span style="color: #DD0000">"John Doe"</span><span style="color: #007700">, </span><span style="color: #0000BB">354</span><span style="color: #007700">);
<br /></span><span style="color: #0000BB">?></span>
</span>
</code>
</fieldset>
</p>
<p id="getInfo">
<strong>SimpleUsers::getInfo( string $key [, int $userId] )</strong>
</p>
<p class="faded">
Use this function to retrieve stored custom user information.<br />
Setting the third parameter gets the stored information for a given user, instead of the one calling it.
</p>
<p>
<fieldset>
<legend>Example #1</legend>
<code><span style="color: #000000">
<span style="color: #0000BB"><?php
<br />
<br /> $SimpleUsers </span><span style="color: #007700">= new </span><span style="color: #0000BB">SimpleUsers</span><span style="color: #007700">();
<br />
<br /> </span><span style="color: #FF8000">// Get stored information for the active user
<br /> </span><span style="color: #0000BB">$fullname </span><span style="color: #007700">= </span><span style="color: #0000BB">$SimpleUsers</span><span style="color: #007700">-></span><span style="color: #0000BB">getInfo</span><span style="color: #007700">(</span><span style="color: #DD0000">"fullname"</span><span style="color: #007700">);
<br /></span><span style="color: #0000BB">?></span>
</span>
</code>
</fieldset>
</p>
<p>
<fieldset>
<legend>Example #2</legend>
<code><span style="color: #000000">
<span style="color: #0000BB"><?php
<br />
<br /> $SimpleUsers </span><span style="color: #007700">= new </span><span style="color: #0000BB">SimpleUsers</span><span style="color: #007700">();
<br />
<br /> </span><span style="color: #FF8000">// Get stored information for the user with userId provided in the third parameter.
<br /> // This is useful for administrators when wanting to retrieve stored information about a user
<br /> </span><span style="color: #0000BB">$fullname </span><span style="color: #007700">= </span><span style="color: #0000BB">$SimpleUsers</span><span style="color: #007700">-></span><span style="color: #0000BB">getInfo</span><span style="color: #007700">(</span><span style="color: #DD0000">"fullname"</span><span style="color: #007700">, </span><span style="color: #0000BB">354</span><span style="color: #007700">);
<br /></span><span style="color: #0000BB">?></span>
</span>
</code>
</fieldset>
</p>
<p id="getInfoArray">
<strong>SimpleUsers::getInfoArray( [int $userId] )</strong>
</p>
<p class="faded">
Returns an associative array with all the custom information stored about the current user.<br />
Passing a userId as a parameter will return an associative array with all the custom information for that specific user.
</p>
<p>
<fieldset>
<legend>Example #1</legend>
<code><span style="color: #000000">
<span style="color: #0000BB"><?php
<br />
<br /> $SimpleUsers </span><span style="color: #007700">= new </span><span style="color: #0000BB">SimpleUsers</span><span style="color: #007700">();
<br />
<br /> </span><span style="color: #FF8000">// Gets all stored information for the active user and returns an associative array
<br /> </span><span style="color: #0000BB">$info </span><span style="color: #007700">= </span><span style="color: #0000BB">$SimpleUsers</span><span style="color: #007700">-></span><span style="color: #0000BB">getInfoArray</span><span style="color: #007700">();
<br />
<br /> </span><span style="color: #0000BB">print_r</span><span style="color: #007700">(</span><span style="color: #0000BB">$info</span><span style="color: #007700">);
<br /></span><span style="color: #0000BB">?></span>
</span>
</code>
</fieldset>
</p>
<p>
<fieldset>
<legend>Example #2</legend>
<code><span style="color: #000000">
<span style="color: #0000BB"><?php
<br />
<br /> $SimpleUsers </span><span style="color: #007700">= new </span><span style="color: #0000BB">SimpleUsers</span><span style="color: #007700">();
<br />
<br /> </span><span style="color: #FF8000">// Gets all stored information for a given user and returns an associative array
<br /> // This is useful for administrators when wanting to get all stored information about a user
<br /> </span><span style="color: #0000BB">$info </span><span style="color: #007700">= </span><span style="color: #0000BB">$SimpleUsers</span><span style="color: #007700">-></span><span style="color: #0000BB">getInfoArray</span><span style="color: #007700">(</span><span style="color: #0000BB">354</span><span style="color: #007700">);
<br />
<br /> </span><span style="color: #0000BB">print_r</span><span style="color: #007700">(</span><span style="color: #0000BB">$info</span><span style="color: #007700">);
<br /></span><span style="color: #0000BB">?></span>
</span>
</code>
</fieldset>
</p>
<p id="logoutUser">
<strong>SimpleUsers::logoutUser()</strong>
</p>
<p class="faded">
Logout the active user, unsetting the users session.
</p>
<p>
<fieldset>
<legend>Example</legend>
<code><span style="color: #000000">
<span style="color: #0000BB"><?php
<br />
<br /> $SimpleUsers </span><span style="color: #007700">= new </span><span style="color: #0000BB">SimpleUsers</span><span style="color: #007700">();
<br />
<br /> </span><span style="color: #0000BB">$SimpleUsers</span><span style="color: #007700">-></span><span style="color: #0000BB">logoutUser</span><span style="color: #007700">();
<br /></span><span style="color: #0000BB">?></span>
</span>
</code>
</fieldset>
</p>
<p id="setPassword">
<strong>SimpleUsers::setPassword( string $password [, int $userId] )</strong>
</p>
<p class="faded">
Update the users password with this function.<br />
It generates a new salt and a sets the users password provided by the first parameter.<br />
Providing a userId in the second paramater will set the password for that specific user.
</p>
<p>
<fieldset>
<legend>Example #1</legend>
<code><span style="color: #000000">
<span style="color: #0000BB"><?php
<br />
<br /> $SimpleUsers </span><span style="color: #007700">= new </span><span style="color: #0000BB">SimpleUsers</span><span style="color: #007700">();
<br />
<br /> </span><span style="color: #FF8000">// Sets a new password for the current active user
<br /> </span><span style="color: #0000BB">$SimpleUsers</span><span style="color: #007700">-></span><span style="color: #0000BB">setPassword</span><span style="color: #007700">(</span><span style="color: #DD0000">"difficult"</span><span style="color: #007700">);
<br /></span><span style="color: #0000BB">?></span>
</span>
</code>
</fieldset>
</p>
<p>
<fieldset>
<legend>Example #2</legend>
<code><span style="color: #000000">
<span style="color: #0000BB"><?php
<br />
<br /> $SimpleUsers </span><span style="color: #007700">= new </span><span style="color: #0000BB">SimpleUsers</span><span style="color: #007700">();
<br />
<br /> </span><span style="color: #FF8000">// Sets a new password for the userId identified by the second parameter.
<br /> // This is useful if an administrative action is needed for setting a new password.
<br /> </span><span style="color: #0000BB">$SimpleUsers</span><span style="color: #007700">-></span><span style="color: #0000BB">setPassword</span><span style="color: #007700">(</span><span style="color: #DD0000">"difficult"</span><span style="color: #007700">, </span><span style="color: #0000BB">354</span><span style="color: #007700">);
<br /></span><span style="color: #0000BB">?></span>
</span>
</code>
</fieldset>
</p>
<p id="getUsers">
<strong>SimpleUsers::getUsers()</strong>
</p>
<p class="faded">
Gives you an array with all registered users and their basic information (last activity, creation date, username and userId)
</p>
<p>
<fieldset>
<legend>Example</legend>
<code><span style="color: #000000">
<span style="color: #0000BB"><?php
<br />
<br /> $SimpleUsers </span><span style="color: #007700">= new </span><span style="color: #0000BB">SimpleUsers</span><span style="color: #007700">();
<br />
<br /> </span><span style="color: #0000BB">$users </span><span style="color: #007700">= </span><span style="color: #0000BB">$SimpleUsers</span><span style="color: #007700">-></span><span style="color: #0000BB">getUsers</span><span style="color: #007700">();
<br />
<br /> </span><span style="color: #0000BB">print_r</span><span style="color: #007700">(</span><span style="color: #0000BB">$users</span><span style="color: #007700">);
<br /></span><span style="color: #0000BB">?></span>
</span>
</code>
</fieldset>
</p>
<p id="getSingleUser">
<strong>SimpleUsers::getSingleUser( [int $userId] )</strong>
</p>
<p class="faded">
Gives you an associative array, containing the basic information (last activity, creation date, username and userId) for the current active user.<br />
If a userId is provided as parameter, the returned associative array will contain the basic information for that specific user.
</p>
<p>
<fieldset>
<legend>Example #1</legend>
<code><span style="color: #000000">
<span style="color: #0000BB"><?php
<br />
<br /> $SimpleUsers </span><span style="color: #007700">= new </span><span style="color: #0000BB">SimpleUsers</span><span style="color: #007700">();
<br />
<br /> </span><span style="color: #0000BB">$user </span><span style="color: #007700">= </span><span style="color: #0000BB">$SimpleUsers</span><span style="color: #007700">-></span><span style="color: #0000BB">getSingleUser</span><span style="color: #007700">();
<br />
<br /> </span><span style="color: #0000BB">print_r</span><span style="color: #007700">(</span><span style="color: #0000BB">$user</span><span style="color: #007700">);
<br /></span><span style="color: #0000BB">?></span>
</span>
</code>
</fieldset>
</p>
<p>
<fieldset>
<legend>Example #2</legend>
<code><span style="color: #000000">
<span style="color: #0000BB"><?php
<br />
<br /> $SimpleUsers </span><span style="color: #007700">= new </span><span style="color: #0000BB">SimpleUsers</span><span style="color: #007700">();
<br />
<br /> </span><span style="color: #FF8000">// Retrieving the basic information for a specific user.
<br /> // This is useful for administrative purposes.
<br /> </span><span style="color: #0000BB">$user </span><span style="color: #007700">= </span><span style="color: #0000BB">$SimpleUsers</span><span style="color: #007700">-></span><span style="color: #0000BB">getSingleUser</span><span style="color: #007700">(</span><span style="color: #0000BB">354</span><span style="color: #007700">);
<br />
<br /> </span><span style="color: #0000BB">print_r</span><span style="color: #007700">(</span><span style="color: #0000BB">$user</span><span style="color: #007700">);
<br /></span><span style="color: #0000BB">?></span>
</span>
</code>
</fieldset>
</p>
<p id="deleteUser">
<strong>SimpleUsers::deleteUser( int $userId )</strong>
</p>
<p class="faded">
Deletes a given user and stored custom information with it.
</p>
<p>
<fieldset>
<legend>Example</legend>
<code><span style="color: #000000">
<span style="color: #0000BB"><?php
<br />
<br /> $SimpleUsers </span><span style="color: #007700">= new </span><span style="color: #0000BB">SimpleUsers</span><span style="color: #007700">();
<br />
<br /> </span><span style="color: #0000BB">$SimpleUsers</span><span style="color: #007700">-></span><span style="color: #0000BB">deleteUser</span><span style="color: #007700">(</span><span style="color: #0000BB">354</span><span style="color: #007700">);
<br /></span><span style="color: #0000BB">?></span>
</span>
</code>
</fieldset>
</p>
<p id="getToken">
<strong>SimpleUsers::getToken( [bool] )</strong>
</p>
<p class="faded">
Returns a hidden input field with a unique token value for CSRF to be used with post data.<br />
The token is saved in a session for later validation.<br />
The boolean parameter is default set to true which returns the input field as XHTML - provide (bool) false for HTML 4 compliance.
</p>
<p>
<fieldset>
<legend>Example</legend>
<code><span style="color: #000000">
<span style="color: #0000BB"><?php
<br /> $SimpleUsers </span><span style="color: #007700">= new </span><span style="color: #0000BB">SimpleUsers</span><span style="color: #007700">();
<br /></span><span style="color: #0000BB">?>
<br /></span><form method="post" action="...">
<br /> <input ...>
<br /> <span style="color: #0000BB"><?php </span><span style="color: #007700">echo </span><span style="color: #0000BB">$SimpleUsers</span><span style="color: #007700">-></span><span style="color: #0000BB">getToken</span><span style="color: #007700">(); </span><span style="color: #0000BB">?>
<br /></span></form>
<br /></span>
</code>
</fieldset>
</p>
<p id="getToken">
<strong>SimpleUsers::validateToken()</strong>
</p>
<p class="faded">
Use this method when you wish to validate the CSRF token from your post data.<br />
The method returns true upon validation, otherwise false.
</p>
<p>
<fieldset>
<legend>Example</legend>
<code><span style="color: #000000">
<span style="color: #0000BB"><?php
<br />
<br /> $SimpleUsers </span><span style="color: #007700">= new </span><span style="color: #0000BB">SimpleUsers</span><span style="color: #007700">();
<br />
<br /> </span><span style="color: #0000BB">$csrf </span><span style="color: #007700">= </span><span style="color: #0000BB">$SimpleUsers</span><span style="color: #007700">-></span><span style="color: #0000BB">validateToken</span><span style="color: #007700">();
<br />
<br /> if(!</span><span style="color: #0000BB">$csrf</span><span style="color: #007700">)
<br /> {
<br /> </span><span style="color: #0000BB">header</span><span style="color: #007700">(</span><span style="color: #DD0000">"Location: request_denied.php"</span><span style="color: #007700">);
<br /> exit;
<br /> }
<br />
<br /> </span><span style="color: #FF8000">// Otherwise, continue with processing
<br />
<br /></span><span style="color: #0000BB">?></span>
</span>
</code>
</fieldset>
</p>
<h2>Members</h2>
<p id="logged_in">
<strong>SimpleUsers::logged_in</strong>
</p>
<p class="faded">
This tells wether a user is logged in or not.<br />
Value is (bool)true or (bool)false.
</p>
<p>
<fieldset>
<legend>Example</legend>
<code><span style="color: #000000">
<span style="color: #0000BB"><?php
<br />
<br /> $SimpleUsers </span><span style="color: #007700">= new </span><span style="color: #0000BB">SimpleUsers</span><span style="color: #007700">();
<br />
<br /> if( </span><span style="color: #0000BB">$SimpleUsers</span><span style="color: #007700">-></span><span style="color: #0000BB">logged_in </span><span style="color: #007700">)
<br /> echo </span><span style="color: #DD0000">"You are logged in"</span><span style="color: #007700">;
<br /> else
<br /> echo </span><span style="color: #DD0000">"You are NOT logged in!"</span><span style="color: #007700">;
<br /></span><span style="color: #0000BB">?></span>
</span>
</code>
</fieldset>
</p>
<p id="userdata">
<strong>SimpleUsers::userdata</strong>
</p>
<p class="faded">
This is auto-populated array containing the information stored for the logged in user.<br />
If no user is logged in, this member consists of an empty array.
</p>
<p>
<fieldset>
<legend>Example</legend>
<code><span style="color: #000000">
<span style="color: #0000BB"><?php
<br />
<br /> $SimpleUsers </span><span style="color: #007700">= new </span><span style="color: #0000BB">SimpleUsers</span><span style="color: #007700">();
<br />
<br /> if( </span><span style="color: #0000BB">$SimpleUsers</span><span style="color: #007700">-></span><span style="color: #0000BB">logged_in </span><span style="color: #007700">)
<br /> echo </span><span style="color: #DD0000">"Hello " </span><span style="color: #007700">. </span><span style="color: #0000BB">$SimpleUsers</span><span style="color: #007700">-></span><span style="color: #0000BB">userdata</span><span style="color: #007700">[</span><span style="color: #DD0000">"uUsername"</span><span style="color: #007700">] . </span><span style="color: #DD0000">" - your last activity was at " </span><span style="color: #007700">. </span><span style="color: #0000BB">$SimpleUsers</span><span style="color: #007700">-></span><span style="color: #0000BB">userdata</span><span style="color: #007700">[</span><span style="color: #DD0000">"uActivity"</span><span style="color: #007700">];
<br />
<br /></span><span style="color: #0000BB">?></span> </span>
</code>
</fieldset>
</p>
</body>
</html>