-
Notifications
You must be signed in to change notification settings - Fork 18
Expand file tree
/
Copy pathNullAware.php
More file actions
58 lines (56 loc) · 2.02 KB
/
NullAware.php
File metadata and controls
58 lines (56 loc) · 2.02 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
<?php
/**
* Interface for data sources that may contain explicit null values
*
* PHP version 5
*
* LICENSE
*
* This source file is subject to BSD 3-Clause License that is bundled
* with this package in the file LICENSE and available at the URL
* https://raw.githubusercontent.com/pear/HTML_QuickForm2/trunk/docs/LICENSE
*
* @category HTML
* @package HTML_QuickForm2
* @author Alexey Borzov <avb@php.net>
* @author Bertrand Mansion <golgote@mamasam.com>
* @copyright 2006-2025 Alexey Borzov <avb@php.net>, Bertrand Mansion <golgote@mamasam.com>
* @license https://opensource.org/licenses/BSD-3-Clause BSD 3-Clause License
* @link https://pear.php.net/package/HTML_QuickForm2
*/
// pear-package-only /**
// pear-package-only * Interface for data sources used by HTML_QuickForm2 objects
// pear-package-only */
// pear-package-only require_once 'HTML/QuickForm2/DataSource.php';
/**
* Interface for data sources that may contain explicit null values
*
* getValue() was designed to return null for missing values, unfortunately that
* led to bugs when data source contained values explicitly set to null,
* see {@link http://pear.php.net/bugs/bug.php?id=20295}. This interface defines
* a method that may be used by elements to check whether a value is available,
* even if that value is null.
*
* @category HTML
* @package HTML_QuickForm2
* @author Alexey Borzov <avb@php.net>
* @author Bertrand Mansion <golgote@mamasam.com>
* @license https://opensource.org/licenses/BSD-3-Clause BSD 3-Clause License
* @version Release: @package_version@
* @link https://pear.php.net/package/HTML_QuickForm2
* @since Release 2.0.1
*/
interface HTML_QuickForm2_DataSource_NullAware extends HTML_QuickForm2_DataSource
{
/**
* Checks whether a value for the element with a given name is available
*
* Will return true even if the value is null, similar to array_key_exists()
*
* @param string $name Element's name
*
* @return bool
*/
public function hasValue($name);
}
?>