PhpSession.php

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<?php
 
namespace Ubiquity\utils\http\session;
 
class PhpSession extends AbstractSession {
 
    public function set(string $key, $value) {
        return $_SESSION [$key] = $value;
    }
 
    public function get(string $key, $default = null) {
        return $_SESSION [$key] ?? $default;
    }
 
    public function start(string $name = null) {
        if (! $this->isStarted ()) {
            if (isset ( $name ) && $name !== '') {
                $this->name = $name;
            }
            if (isset ( $this->name )) {
                \session_name ( $this->name );
            }
            \session_start ();
            $this->verifyCsrf->start ();
        }
    }
 
    public function terminate(): void {
        if (! $this->isStarted ()) {
            return;
        }
        $this->verifyCsrf->clear ();
        $_SESSION = [];
 
        if (\ini_get ( 'session.use_cookies' )) {
            $params = \session_get_cookie_params ();
            \setcookie ( \session_name (), '', \time () - 42000, $params ['path'], $params ['domain'], $params ['secure'], $params ['httponly'] );
        }
        \session_destroy ();
    }
 
    public function isStarted(): bool {
        return \session_status () == PHP_SESSION_ACTIVE;
    }
 
    public function exists(string $key): bool {
        return isset ( $_SESSION [$key] );
    }
 
    public function getAll(): array {
        return $_SESSION;
    }
 
    public function delete(string $key) {
        unset ( $_SESSION [$key] );
    }
    
    public function regenerateId(bool $deleteOldSession=false):bool {
        return \session_regenerate_id($deleteOldSession);
    }
 
    public function visitorCount(): int {
        $sessionPath = \ini_get ( 'session.save_path' );
        $sessionLifetime = \ini_get ( 'session.gc_maxlifetime' );
        $files = glob ( $sessionPath . DS . 'sess_*' );
        $now = time ();
        $count = 0;
        foreach ( $files as $file ) {
            if (is_file ( $file )) {
                if ($now - filemtime ( $file ) <= $sessionLifetime) {
                    $count ++;
                }
            }
        }
        return $count;
    }
}