Chris@0
|
1 <?php
|
Chris@0
|
2 /**
|
Chris@0
|
3 * Zend Framework (http://framework.zend.com/)
|
Chris@0
|
4 *
|
Chris@0
|
5 * @link http://github.com/zendframework/zf2 for the canonical source repository
|
Chris@0
|
6 * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
|
Chris@0
|
7 * @license http://framework.zend.com/license/new-bsd New BSD License
|
Chris@0
|
8 */
|
Chris@0
|
9
|
Chris@0
|
10 namespace Zend\Stdlib;
|
Chris@0
|
11
|
Chris@0
|
12 use ErrorException;
|
Chris@0
|
13
|
Chris@0
|
14 /**
|
Chris@0
|
15 * ErrorHandler that can be used to catch internal PHP errors
|
Chris@0
|
16 * and convert to an ErrorException instance.
|
Chris@0
|
17 */
|
Chris@0
|
18 abstract class ErrorHandler
|
Chris@0
|
19 {
|
Chris@0
|
20 /**
|
Chris@0
|
21 * Active stack
|
Chris@0
|
22 *
|
Chris@0
|
23 * @var array
|
Chris@0
|
24 */
|
Chris@0
|
25 protected static $stack = [];
|
Chris@0
|
26
|
Chris@0
|
27 /**
|
Chris@0
|
28 * Check if this error handler is active
|
Chris@0
|
29 *
|
Chris@0
|
30 * @return bool
|
Chris@0
|
31 */
|
Chris@0
|
32 public static function started()
|
Chris@0
|
33 {
|
Chris@0
|
34 return (bool) static::getNestedLevel();
|
Chris@0
|
35 }
|
Chris@0
|
36
|
Chris@0
|
37 /**
|
Chris@0
|
38 * Get the current nested level
|
Chris@0
|
39 *
|
Chris@0
|
40 * @return int
|
Chris@0
|
41 */
|
Chris@0
|
42 public static function getNestedLevel()
|
Chris@0
|
43 {
|
Chris@0
|
44 return count(static::$stack);
|
Chris@0
|
45 }
|
Chris@0
|
46
|
Chris@0
|
47 /**
|
Chris@0
|
48 * Starting the error handler
|
Chris@0
|
49 *
|
Chris@0
|
50 * @param int $errorLevel
|
Chris@0
|
51 */
|
Chris@0
|
52 public static function start($errorLevel = \E_WARNING)
|
Chris@0
|
53 {
|
Chris@12
|
54 if (! static::$stack) {
|
Chris@0
|
55 set_error_handler([get_called_class(), 'addError'], $errorLevel);
|
Chris@0
|
56 }
|
Chris@0
|
57
|
Chris@0
|
58 static::$stack[] = null;
|
Chris@0
|
59 }
|
Chris@0
|
60
|
Chris@0
|
61 /**
|
Chris@0
|
62 * Stopping the error handler
|
Chris@0
|
63 *
|
Chris@0
|
64 * @param bool $throw Throw the ErrorException if any
|
Chris@0
|
65 * @return null|ErrorException
|
Chris@13
|
66 * @throws ErrorException If an error has been caught and $throw is true
|
Chris@0
|
67 */
|
Chris@0
|
68 public static function stop($throw = false)
|
Chris@0
|
69 {
|
Chris@0
|
70 $errorException = null;
|
Chris@0
|
71
|
Chris@0
|
72 if (static::$stack) {
|
Chris@0
|
73 $errorException = array_pop(static::$stack);
|
Chris@0
|
74
|
Chris@12
|
75 if (! static::$stack) {
|
Chris@0
|
76 restore_error_handler();
|
Chris@0
|
77 }
|
Chris@0
|
78
|
Chris@0
|
79 if ($errorException && $throw) {
|
Chris@0
|
80 throw $errorException;
|
Chris@0
|
81 }
|
Chris@0
|
82 }
|
Chris@0
|
83
|
Chris@0
|
84 return $errorException;
|
Chris@0
|
85 }
|
Chris@0
|
86
|
Chris@0
|
87 /**
|
Chris@0
|
88 * Stop all active handler
|
Chris@0
|
89 *
|
Chris@0
|
90 * @return void
|
Chris@0
|
91 */
|
Chris@0
|
92 public static function clean()
|
Chris@0
|
93 {
|
Chris@0
|
94 if (static::$stack) {
|
Chris@0
|
95 restore_error_handler();
|
Chris@0
|
96 }
|
Chris@0
|
97
|
Chris@0
|
98 static::$stack = [];
|
Chris@0
|
99 }
|
Chris@0
|
100
|
Chris@0
|
101 /**
|
Chris@0
|
102 * Add an error to the stack
|
Chris@0
|
103 *
|
Chris@0
|
104 * @param int $errno
|
Chris@0
|
105 * @param string $errstr
|
Chris@0
|
106 * @param string $errfile
|
Chris@0
|
107 * @param int $errline
|
Chris@0
|
108 * @return void
|
Chris@0
|
109 */
|
Chris@0
|
110 public static function addError($errno, $errstr = '', $errfile = '', $errline = 0)
|
Chris@0
|
111 {
|
Chris@0
|
112 $stack = & static::$stack[count(static::$stack) - 1];
|
Chris@0
|
113 $stack = new ErrorException($errstr, 0, $errno, $errfile, $errline, $stack);
|
Chris@0
|
114 }
|
Chris@0
|
115 }
|