wp-optimize / includes / class-updraft-file-logger.php

class-updraft-file-logger.php in WP-Optimize – Cache, Compress images, Minify & Clean database to boost page speed & performance 3.2.21, at includes/class-updraft-file-logger.php

177 lines 3.9 KB

Raw Download Zip

1	<?php
2
3	if (!defined('ABSPATH')) die('No direct access allowed');
4
5	if (class_exists('Updraft_File_Logger')) return;
6
7	/**
8	* Class Updraft_File_Logger
9	*/
10	class Updraft_File_Logger extends Updraft_Abstract_Logger {
11
12	/**
13	* Path to the log file
14	*
15	* @var String
16	*/
17	private $logfile;
18
19	/**
20	* Updraft_File_Logger constructor
21	*/
22	public function __construct($logfile) {
23	$this->logfile = $logfile;
24	}
25
26	/**
27	* Returns logger description
28	*
29	* @return string\|void
30	*/
31	public function get_description() {
32	return __('Log events into a log file', 'wp-optimize');
33	}
34
35	/**
36	* Emergency message
37	*
38	* @param string $message
39	* @param array $context
40	* @return null\|void
41	*/
42	public function emergency($message, array $context = array()) {
43	$this->log($message, Updraft_Log_Levels::EMERGENCY, $context);
44	}
45
46	/**
47	* Alert message
48	*
49	* @param string $message
50	* @param array $context
51	* @return null\|void
52	*/
53	public function alert($message, array $context = array()) {
54	$this->log($message, Updraft_Log_Levels::ALERT, $context);
55	}
56
57	/**
58	* Critical message
59	*
60	* @param string $message
61	* @param array $context
62	* @return null\|void
63	*/
64	public function critical($message, array $context = array()) {
65	$this->log($message, Updraft_Log_Levels::CRITICAL, $context);
66	}
67
68	/**
69	* Error message
70	*
71	* @param string $message
72	* @param array $context
73	* @return null\|void
74	*/
75	public function error($message, array $context = array()) {
76	$this->log($message, Updraft_Log_Levels::ERROR, $context);
77	}
78
79	/**
80	* Warning message
81	*
82	* @param string $message
83	* @param array $context
84	* @return null\|void
85	*/
86	public function warning($message, array $context = array()) {
87	$this->log($message, Updraft_Log_Levels::WARNING, $context);
88	}
89
90	/**
91	* Notice message
92	*
93	* @param string $message
94	* @param array $context
95	* @return null\|void
96	*/
97	public function notice($message, array $context = array()) {
98	$this->log($message, Updraft_Log_Levels::NOTICE, $context);
99	}
100
101	/**
102	* Info message
103	*
104	* @param string $message
105	* @param array $context
106	* @return null\|void
107	*/
108	public function info($message, array $context = array()) {
109	$this->log($message, Updraft_Log_Levels::INFO, $context);
110	}
111
112	/**
113	* Debug message
114	*
115	* @param string $message
116	* @param array $context
117	* @return null\|void
118	*/
119	public function debug($message, array $context = array()) {
120	$this->log($message, Updraft_Log_Levels::DEBUG, $context);
121	}
122
123	/**
124	* Log message with any level
125	*
126	* @param string $message
127	* @param mixed $level
128	* @param array $context
129	* @return null\|void
130	*/
131	public function log($message, $level, array $context = array()) {
132
133	if (!$this->is_enabled()) return false;
134
135	$message = sprintf("[%s : %s] - %s \n", date("Y-m-d H:i:s"), Updraft_Log_Levels::to_text($level), $this->interpolate($message, $context));
136
137	if (false == file_put_contents($this->logfile, $message, FILE_APPEND)) {
138	error_log($message);
139	}
140	}
141
142	/**
143	* Delete logs older than specified date
144	*
145	* @param string $how_old
146	* @return boolean Success or failure
147	*/
148	public function prune_logs($how_old = "5 days ago") {
149
150	if (strtotime($how_old)) {
151	$how_old = "5 days ago";
152	}
153
154	// phpcs:disable
155
156	// We ignore a few lines here to avoid warnings on file operations
157	// WP.VIP does not like us writing directly to the filesystem
158	$logfile_handle = fopen($this->logfile, "r");
159	$temp_file = fopen(preg_replace("/\.log$/", "-temp.log", $this->logfile), "a");
160
161	// Stream is the preferred way because of potentially large file sizes
162	while ($line = stream_get_line($logfile_handle, 1024 * 1024, "\n")) {
163	$entry_time = strtotime(strstr($line, " : ", true));
164
165	if ($entry_time > $how_old) {
166	fwrite($temp_file, $line."\n");
167	}
168	}
169
170	fclose($logfile_handle);
171	fclose($temp_file);
172
173	return rename(preg_replace("/\.log$/", "-temp.log", $this->logfile), $this->logfile);
174	// phpcs:enable
175	}
176	}
177