personal-website/docs/common/utils.php

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<?php
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/**
* Object to store info about logged in user
*/
class User
{
public $user_id;
public $user_name;
public $permissions;
/**
* Constructor for the User.
*/
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public function __construct($userId, $username, $permissions) {
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$this->user_id = $userId;
$this->user_name = $username;
$this->permissions = $permissions;
}
}
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/**
* Sanitize a given input string to be safe to display and process.
*/
function sanitize_input($data) {
// Remove unnecessary whitespace characters
$data = trim($data);
// Remove backslashes
$data = stripslashes($data);
// Escape all special characters to HTML entities
$data = htmlspecialchars($data);
return $data;
}
?>