1 <?php
 2 
 3 namespace PayPal\Log;
 4 
 5 use PayPal\Core\PayPalConfigManager;
 6 use Psr\Log\AbstractLogger;
 7 use Psr\Log\LogLevel;
 8 
 9 class PayPalLogger extends AbstractLogger
10 {
11 
12     /**
13      * @var array Indexed list of all log levels.
14      */
15     private $loggingLevels = array(
16         LogLevel::EMERGENCY,
17         LogLevel::ALERT,
18         LogLevel::CRITICAL,
19         LogLevel::ERROR,
20         LogLevel::WARNING,
21         LogLevel::NOTICE,
22         LogLevel::INFO,
23         LogLevel::DEBUG
24     );
25 
26     /**
27      * Configured Logging Level
28      *
29      * @var LogLevel $loggingLevel
30      */
31     private $loggingLevel;
32 
33     /**
34      * Configured Logging File
35      *
36      * @var string
37      */
38     private $loggerFile;
39 
40     /**
41      * Log Enabled
42      *
43      * @var bool
44      */
45     private $isLoggingEnabled;
46 
47     /**
48      * Logger Name. Generally corresponds to class name
49      *
50      * @var string
51      */
52     private $loggerName;
53 
54     public function __construct($className)
55     {
56         $this->loggerName = $className;
57         $this->initialize();
58     }
59 
60     public function initialize()
61     {
62         $config = PayPalConfigManager::getInstance()->getConfigHashmap();
63         if (!empty($config)) {
64             $this->isLoggingEnabled = (array_key_exists('log.LogEnabled', $config) && $config['log.LogEnabled'] == '1');
65             if ($this->isLoggingEnabled) {
66                 $this->loggerFile = ($config['log.FileName']) ? $config['log.FileName'] : ini_get('error_log');
67                 $loggingLevel = strtoupper($config['log.LogLevel']);
68                 $this->loggingLevel = (isset($loggingLevel) && defined("\\Psr\\Log\\LogLevel::$loggingLevel")) ?
69                     constant("\\Psr\\Log\\LogLevel::$loggingLevel") :
70                     LogLevel::INFO;
71             }
72         }
73     }
74 
75     public function log($level, $message, array $context = array())
76     {
77         if ($this->isLoggingEnabled) {
78             // Checks if the message is at level below configured logging level
79             if (array_search($level, $this->loggingLevels) <= array_search($this->loggingLevel, $this->loggingLevels)) {
80                 error_log("[" . date('d-m-Y H:i:s') . "] " . $this->loggerName . " : " . strtoupper($level) . ": $message\n", 3, $this->loggerFile);
81             }
82         }
83     }
84 }
85 

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