1
|
|
|
<?php |
2
|
|
|
|
3
|
|
|
/** |
4
|
|
|
* JPGraph v4.0.3 |
5
|
|
|
*/ |
6
|
|
|
|
7
|
|
|
namespace Amenadiel\JpGraph\Util; |
8
|
|
|
|
9
|
1 |
|
require_once __DIR__ . '/../config.inc.php'; |
10
|
|
|
|
11
|
|
|
/** |
12
|
|
|
* @class Helper |
13
|
|
|
* // Misc Helper functions |
14
|
|
|
*/ |
15
|
|
|
class Helper |
16
|
|
|
{ |
17
|
|
|
// |
18
|
|
|
// Setup PHP error handler |
19
|
|
|
// |
20
|
|
|
public static function phpErrorHandler($errno, $errmsg, $filename, $linenum, $vars) |
|
|
|
|
21
|
|
|
{ |
22
|
|
|
// Respect current error level |
23
|
|
|
if ($errno & error_reporting()) { |
24
|
|
|
JpGraphError::RaiseL(25003, basename($filename), $linenum, $errmsg); |
25
|
|
|
} |
26
|
|
|
} |
27
|
|
|
|
28
|
|
|
// |
29
|
|
|
// Utility function to generate an image name based on the filename we |
30
|
|
|
// are running from and assuming we use auto detection of graphic format |
31
|
|
|
// (top level), i.e it is safe to call this function |
32
|
|
|
// from a script that uses JpGraph |
33
|
|
|
// |
34
|
|
|
public static function GenImgName() |
35
|
|
|
{ |
36
|
|
|
// Determine what format we should use when we save the images |
37
|
|
|
$supported = imagetypes(); |
38
|
|
|
if ($supported & IMG_PNG) { |
39
|
|
|
$img_format = 'png'; |
40
|
|
|
} elseif ($supported & IMG_GIF) { |
41
|
|
|
$img_format = 'gif'; |
42
|
|
|
} elseif ($supported & IMG_JPG) { |
43
|
|
|
$img_format = 'jpeg'; |
44
|
|
|
} elseif ($supported & IMG_WBMP) { |
45
|
|
|
$img_format = 'wbmp'; |
46
|
|
|
} elseif ($supported & IMG_XPM) { |
47
|
|
|
$img_format = 'xpm'; |
48
|
|
|
} |
49
|
|
|
|
50
|
|
|
if (!isset($_SERVER['PHP_SELF'])) { |
51
|
|
|
JpGraphError::RaiseL(25005); |
52
|
|
|
//(" Can't access PHP_SELF, PHP global variable. You can't run PHP from command line if you want to use the 'auto' naming of cache or image files."); |
53
|
|
|
} |
54
|
|
|
$fname = basename($_SERVER['PHP_SELF']); |
55
|
|
|
if (!empty($_SERVER['QUERY_STRING'])) { |
56
|
|
|
$q = @$_SERVER['QUERY_STRING']; |
57
|
|
|
$fname .= '_' . preg_replace('/\\W/', '_', $q) . '.' . $img_format; |
|
|
|
|
58
|
|
|
} else { |
59
|
|
|
$fname = substr($fname, 0, strlen($fname) - 4) . '.' . $img_format; |
60
|
|
|
} |
61
|
|
|
|
62
|
|
|
return $fname; |
63
|
|
|
} |
64
|
|
|
|
65
|
|
|
// Useful mathematical function |
66
|
6 |
|
public static function sign($a) |
67
|
|
|
{ |
68
|
6 |
|
return $a >= 0 ? 1 : -1; |
69
|
|
|
} |
70
|
|
|
|
71
|
|
|
public static function trace() |
72
|
|
|
{ |
73
|
|
|
$backtrace = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS, 2); |
74
|
|
|
|
75
|
|
|
$btarray0 = ([ |
76
|
|
|
'class2' => $backtrace[1]['class'], |
77
|
|
|
'type2' => $backtrace[1]['type'], |
78
|
|
|
'function2' => $backtrace[1]['function'], |
79
|
|
|
'spacer4' => ' ', |
80
|
|
|
'line2' => $backtrace[0]['line'], |
81
|
|
|
]); |
82
|
|
|
|
83
|
|
|
$tag = implode('', $btarray0); |
84
|
|
|
|
85
|
|
|
\PC::debug(func_get_args(), $tag); |
86
|
|
|
} |
87
|
|
|
} |
88
|
|
|
|
This check looks for parameters that have been defined for a function or method, but which are not used in the method body.