class-php-session.php — NinjaFirewall (WP Edition) – Advanced Security Plugin and Firewall trunk

ninjafirewall / lib / class-php-session.php

ninjafirewall / lib Last commit date

class-php-session.php

93 lines

1	<?php
2	/*
3	+=====================================================================+
4	\| _ _ _ _ _____ _ _ _ \|
5	\| \| \ \| (_)_ __ (_) __ _\| ___(_)_ __ _____ ____ _\| \| \| \|
6	\| \| \\| \| \| '_ \ \| \|/ _` \| \|_ \| \| '__/ _ \ \ /\ / / _` \| \| \| \|
7	\| \| \|\ \| \| \| \| \|\| \| (_\| \| _\| \| \| \| \| __/\ V V / (_\| \| \| \| \|
8	\| \|_\| \_\|_\|_\| \|_\|/ \|\__,_\|_\| \|_\|_\| \___\| \_/\_/ \__,_\|_\|_\| \|
9	\| \|__/ \|
10	\| (c) NinTechNet Limited ~ https://nintechnet.com/ \|
11	+=====================================================================+
12	*/
13
14	if ( class_exists('NinjaFirewall_session') ) {
15	return;
16	}
17
18	class NinjaFirewall_session {
19
20
21	/**
22	* Start a PHP session.
23	*/
24	public static function start() {
25	/**
26	* Make sure no header was sent already, no session exists
27	* and that sessions are enabled.
28	*/
29	if ( headers_sent() \|\| session_status() !== PHP_SESSION_NONE ) {
30	return false;
31	}
32	return session_start();
33	}
34
35
36	/**
37	* Read session data.
38	*/
39	public static function read( $key ) {
40
41	if ( isset( $_SESSION[ $key ] ) ) {
42	return $_SESSION[ $key ];
43	}
44	return null;
45	}
46
47
48	/**
49	* Write session data.
50	*/
51	public static function write( $data = [] ) {
52
53	foreach( $data as $key => $value ) {
54	$_SESSION[ $key ] = $value;
55	}
56	}
57
58
59	/**
60	* Unset a key or the whole session array.
61	*/
62	public static function delete( $key = '') {
63
64	if ( $key ) {
65	unset ( $_SESSION[ $key ] );
66	} else {
67	$_SESSION = [];
68	}
69	}
70
71
72	/**
73	* Write session data and end session.
74	*/
75	public static function close() {
76
77	return session_write_close();
78	}
79
80
81	/**
82	* Return the session name.
83	*/
84	public static function name() {
85
86	return ini_get('session.name');
87	}
88
89	}
90
91	// =====================================================================
92	// EOF
93