ILIAS  release_7 Revision v7.30-3-g800a261c036
ilRandom Class Reference

Wrapper for generation of random numbers, strings, bytes. More...

+ Collaboration diagram for ilRandom:

Public Member Functions

 __construct ()
 ilRandom constructor. More...
 
 int (int $min=null, int $max=null)
 

Private Member Functions

 logIfPossible (callable $c)
 

Detailed Description

Wrapper for generation of random numbers, strings, bytes.

Definition at line 7 of file class.ilRandom.php.

Constructor & Destructor Documentation

◆ __construct()

ilRandom::__construct ( )

ilRandom constructor.

Definition at line 13 of file class.ilRandom.php.

14 {
15 }

Member Function Documentation

◆ int()

ilRandom::int ( int  $min = null,
int  $max = null 
)
Parameters
int$min
int$max
Returns
int
Exceptions
Throwable

Definition at line 35 of file class.ilRandom.php.

35 :int
36 {
37 if (is_null($min)) {
38 $min = 0;
39 }
40 if (is_null($max)) {
41 $max = mt_getrandmax();
42 }
43
44 try {
45 return random_int($min, $max);
46 } catch (Exception $e) {
47 $this->logIfPossible(static function (ilLogger $logger) {
48 $logger->logStack(\ilLogLevel::ERROR);
49 $logger->error('No suitable random number generator found.');
50 });
51 throw $e;
52 } catch (Throwable $e) {
53 $this->logIfPossible(static function (ilLogger $logger) {
54 $logger->logStack(\ilLogLevel::ERROR);
55 $logger->error('max should be greater than min.');
56 });
57 throw $e;
58 }
59 }
Component logger with individual log levels by component id.
error($a_message)
logStack($a_level=null, $a_message='')
log stack trace
logIfPossible(callable $c)

References Vendor\Package\$e, ilLogger\error(), ilLogLevel\ERROR, logIfPossible(), and ilLogger\logStack().

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◆ logIfPossible()

ilRandom::logIfPossible ( callable  $c)
private
Parameters
callable$c

Definition at line 20 of file class.ilRandom.php.

21 {
22 global $DIC;
23
24 if (isset($DIC['ilLoggerFactory'])) {
25 $c($DIC->logger()->rnd());
26 }
27 }
$c
Definition: cli.php:37
global $DIC
Definition: goto.php:24

References $c, and $DIC.

Referenced by int().

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The documentation for this class was generated from the following file: