wp-memory-usage / wp-memory-usage.php

wp-memory-usage.php in WP-Memory-Usage 2.2.0, at wp-memory-usage.php

307 lines 13.9 KB

Raw Download Zip

1	<?php
2	/*
3	Plugin Name: WP-Memory-Usage
4	Plugin URI: https://www.json-content-importer.com
5	Description: Show up memory limits, current memory usage, IP-Address, PHP-Version in the dashboard and admin footer
6	Author: Bernhard Kux
7	Version: 2.2.0
8	Author URI: https://www.json-content-importer.com
9	Text Domain: wp-memory-usage
10	Domain Path: /languages/
11	License: GPLv3
12	License URI: http://www.gnu.org/licenses/gpl-3.0.html
13
14	Copyright Bernhard Kux
15	*/
16
17	/* block direct requests */
18	if ( !function_exists( 'add_action' ) ) {
19	echo 'Hello, this is a plugin: You must not call me directly.';
20	exit;
21	}
22	defined('ABSPATH') OR exit;
23
24	// Load translations early for both admin and frontend.
25	/*
26	function wpmu_load_textdomain() {
27	$mofile = plugin_dir_path( __FILE__ ) . 'languages/wp-memory-usage-' . get_locale() . '.mo';
28	load_textdomain( 'wp-memory-usage', $mofile );
29	}
30	add_action( 'plugins_loaded', 'wpmu_load_textdomain', 1 );
31	*/
32	function wpmu_load_textdomain() {
33	load_plugin_textdomain( 'wp-memory-usage', false, dirname( plugin_basename( __FILE__ ) ) . '/languages/' );
34	}
35	add_action( 'init', 'wpmu_load_textdomain' );
36
37	const WPMU_LOG_FILE = "wpmu-log.cgi";
38	const WPMU_LOG_PATH = ABSPATH. '../logs/wpmu/';
39
40	class wp_memory_usage {
41	public $ipadr = "";
42	public $servername = "";
43	public $servernameout = "";
44	public $memory = array();
45
46
47	public function __construct() {
48	$this->get_ip_address();
49	#$this->load_textdomain();
50	#add_action( 'init', array( $this, 'load_textdomain' ) );
51	add_action( 'init', array ($this, 'check_limit') );
52	add_action( 'wp_dashboard_setup', array ($this, 'add_dashboard') );
53	if ( is_multisite() ) {
54	add_action( 'wp_network_dashboard_setup', array ($this, 'add_dashboard') );
55	}
56	add_filter( 'admin_footer_text', array ($this, 'add_footer') );
57	}
58
59	private function getinput($fieldkey, $default="") {
60	#var_Dump($_GET);
61	if (
62	! isset($_GET['_wpnonce']) \|\|
63	! wp_verify_nonce( sanitize_text_field(wp_unslash($_GET['_wpnonce'])), 'memusage' )
64	) {
65	#echo "NONCE FAILED for GET $fieldkey<hr>";
66	return ""; #wp_die('Ung�ltiger Nonce � Sicherheits�berpr�fung fehlgeschlagen.');
67	}
68	#echo "NONCE OK for GET $fieldkey<hr>";
69	return sanitize_text_field(wp_unslash(($_GET[$fieldkey] ?? $default)));
70	}
71
72	private function getserverinput($fieldkey, $default="") {
73	return sanitize_text_field(wp_unslash(($_SERVER[$fieldkey] ?? $default)));
74	}
75
76	#public function load_textdomain() {
77	# load_plugin_textdomain( 'wp-memory-usage', false, dirname( plugin_basename( __FILE__ ) ) . '/languages/' );
78	#}
79
80	public function check_limit() {
81	$this->memory['phplimit'] = "";
82	$this->memory['phplimitunity'] = 'MB';
83	if (!is_null(ini_get('memory_limit'))) {
84	$phplimit_memory = ini_get('memory_limit');
85	if (preg_match("/G$/i", $phplimit_memory)) {
86	# set in gigabyte
87	$phplimit_memory = 1024 * preg_replace("/G$/i", "", $phplimit_memory);
88	}
89	$this->memory['phplimit'] = (int) $phplimit_memory;
90	}
91	$ret = $this->formatWP_MEMORY_LIMIT(WP_MEMORY_LIMIT);
92	$this->memory["wpmb"] = $ret["mb"] ?? '';
93	$this->memory["wpunity"] = $ret["unity"] ?? '';
94
95	$ret = $this->formatWP_MEMORY_LIMIT(WP_MAX_MEMORY_LIMIT);
96	$this->memory["wpmaxmb"] = $ret["mb"] ?? '';
97	$this->memory["wpmaxunity"] = $ret["unity"] ?? '';
98	}
99
100	public function check_memory_usage() {
101	$this->memory['usage'] = function_exists('memory_get_peak_usage') ? round(memory_get_peak_usage(true) / 1024 / 1024, 2) : 0;
102	if ( !empty($this->memory['usage'])) {
103	$this->memory['percent'] = -1;
104	if (!empty($this->memory['wpmb']) && ($this->memory['wpmb']!=0)) {
105	$this->memory['percent'] = round($this->memory['usage'] /$this->memory["wpmb"] * 100, 0);
106	}
107
108	$this->memory['percentphp'] = -1;
109	if (!empty($this->memory['phplimit']) && ($this->memory['phplimit']!=0)) {
110	$this->memory['percentphp'] = round ($this->memory['usage'] / $this->memory["phplimit"] * 100, 0);
111	}
112
113	//If the bar is too small we move the text outside
114	$this->memory['percent_pos'] = '';
115	//In case we are in our limits take the admin color
116	$this->memory['color'] = '';
117	if ($this->memory['percent'] > 80) $this->memory['color'] = 'background: #E66F00;';
118	if ($this->memory['percent'] > 95) $this->memory['color'] = 'background: red;';
119	if ($this->memory['percent'] < 10) $this->memory['percent_pos'] = 'margin-right: -30px; color: #444;';
120	$this->memory['percentwidth'] = $this->memory['percent'];
121	if ($this->memory['percent']>100) {
122	$this->memory['percentwidth'] = 100;
123	}
124	}
125	}
126
127	public function dashboard_output() {
128	$this->check_memory_usage();
129	?>
130	<ul>
131	<li><strong><?php echo esc_html(__('PHP Version', 'wp-memory-usage')); ?>:</strong> <span><?php
132	echo esc_html(PHP_VERSION); ?> / <?php echo esc_html((PHP_INT_SIZE * 8) . __('Bit OS', 'wp-memory-usage'));
133
134	if (!is_null(ini_get('max_execution_time'))) {
135	$max_execution_time = (int) ini_get('max_execution_time'). __('sec', 'wp-memory-usage');
136	echo " / ".esc_html(__('Max execution time: ', 'wp-memory-usage')).' '.esc_html($max_execution_time);
137	}
138
139
140	?></span></li>
141	<li><strong><?php echo esc_html(__('Memory limits', 'wp-memory-usage')); ?>:</strong> <span>
142	<?php
143	if (!empty($this->memory["wpmb"])) {
144	echo esc_html(__('Wordpress', 'wp-memory-usage').' '.$this->memory["wpmb"]. $this->memory["wpunity"])." / ";
145	}
146	if ($this->memory["wpmaxmb"]!="" && ($this->memory["wpmb"]!=$this->memory["wpmaxmb"])) {
147	echo esc_html(__('Wordpress-Admin', 'wp-memory-usage').' '.$this->memory["wpmaxmb"]. $this->memory["wpmaxunity"])." / ";
148	}
149	if ($this->memory['phplimit']!="") {
150	echo esc_html(__('PHP ', 'wp-memory-usage').' '.$this->memory['phplimit'].$this->memory['phplimitunity']);
151	}
152	?>
153	</span></li>
154	<li><strong><?php
155	$mem = $this->memory['usage'] ?? 0;
156	echo esc_html(__('Current Memory usage', 'wp-memory-usage')); ?>:</strong> <span><?php echo esc_html($mem.__('MB', 'wp-memory-usage')); ?> </span><br>
157
158	<?php
159	if ($this->memory['percent']>=0) {
160	?>
161	<div class="progressbar">
162	<div style="border:1px solid #DDDDDD; background-color:#F9F9F9; border-color: rgb(223, 223, 223); box-shadow: 0px 1px 0px rgb(255, 255, 255) inset; border-radius: 3px;">
163	<div class="button-primary" style="width: <?php echo esc_html($this->memory['percentwidth']); ?>%;<?php echo esc_html($this->memory['color']);?>padding: 0px;border-width:0px; color:#FFFFFF;text-align:right; border-color: rgb(223, 223, 223); box-shadow: 0px 1px 0px rgb(255, 255, 255) inset; border-radius: 3px; margin-top: -1px;">
164	<div style="padding:2px;<?php echo esc_html($this->memory['percent_pos']); ?>"><?php echo esc_html($this->memory['percent']); ?>%</div>
165	</div>
166	</div>
167	</div>
168	<?php }
169
170	$settings_url = admin_url( 'options-general.php?page=wpmu-memory-alerts' );
171	echo '<a href="' . esc_url( $settings_url ) . '">' . esc_html__( 'Settings & Monitor', 'wp-memory-usage' ) . '</a>';
172	#echo $settings_link;
173
174	// ── Neuester Digest ────────────────────────────────────────────
175	if ( class_exists( 'WPMU_Threshold_Alerts' ) ) {
176	$digest_files = glob( ABSPATH . '../logs/wpmu/digest_*.cgibak' ) ?: array();
177	if ( ! empty( $digest_files ) ) {
178	// neueste Datei
179	usort( $digest_files, fn( $a, $b ) => filemtime( $b ) - filemtime( $a ) );
180	$latest = $digest_files[0];
181	// phpcs:disable WordPress.WP.AlternativeFunctions
182	$fh = @fopen( $latest, 'rb' );
183	$digest_data = null;
184	if ( $fh ) {
185	flock( $fh, LOCK_SH );
186	$digest_data = json_decode( fgets( $fh ), true );
187	flock( $fh, LOCK_UN );
188	fclose( $fh );
189	}
190	// phpcs:enable WordPress.WP.AlternativeFunctions
191	if ( is_array( $digest_data ) && isset( $digest_data['status'] ) ) {
192	$dw = (int) ( $digest_data['status']['warn'] ?? 0 );
193	$dd = (int) ( $digest_data['status']['danger'] ?? 0 );
194	$dc = (int) ( $digest_data['status']['critical'] ?? 0 );
195	$fn_label = basename( $latest );
196	$raw_ts = str_replace( array( 'digest_', '.cgibak' ), '', $fn_label );
197	$dt_obj = DateTime::createFromFormat( 'Y-m-d-H-i-s', $raw_ts );
198	$ts_label = $dt_obj ? wp_date( get_option('date_format') . ', ' . get_option('time_format'), $dt_obj->getTimestamp() ) : $fn_label;
199	echo '<hr style="margin:8px 0;">';
200	echo '<strong>' . esc_html__( 'Latest Digest', 'wp-memory-usage' ) . ':</strong> <span style="font-size:11px;color:#888;">' . esc_html( $ts_label ) . '</span><br>';
201	#$any_alert = ( $dw + $dd + $dc ) > 0;
202	echo '<span style="display:inline-flex;gap:6px;margin-top:4px;flex-wrap:wrap;">';
203	echo '<span style="background:' . esc_attr( $dw > 0 ? '#f0ad4e' : '#e8e8e8' ) . ';color:' . esc_attr( $dw > 0 ? '#3d2b00' : '#888' ) . ';padding:2px 8px;border-radius:10px;font-size:12px;font-weight:700;">⚠ ' . esc_html($dw) . '</span>';
204	echo '<span style="background:' . esc_attr( $dd > 0 ? '#d9534f' : '#e8e8e8' ) . ';color:' . esc_attr( $dd > 0 ? '#fff' : '#888' ) . ';padding:2px 8px;border-radius:10px;font-size:12px;font-weight:700;">🔴 ' . esc_html($dd) . '</span>';
205	echo '<span style="background:' . esc_attr( $dc > 0 ? '#8B0000' : '#e8e8e8' ) . ';color:' . esc_attr( $dc > 0 ? '#fff' : '#888' ) . ';padding:2px 8px;border-radius:10px;font-size:12px;font-weight:700;">🆘 ' . esc_html($dc) . '</span>';
206	echo '</span>';
207	$digest_url = admin_url( 'options-general.php?page=wpmu-memory-alerts&tab=digest' );
208	echo '  <a href="' . esc_url( $digest_url ) . '" style="font-size:11px;">' . esc_html__( '→ Digest', 'wp-memory-usage' ) . '</a>';
209	}
210	}
211	}
212	?>
213
214
215
216	</li>
217	</ul>
218	<?php
219	}
220
221	public function add_dashboard() {
222	#$servertime = gmdate(__('d.m.Y, H:i:s', 'wp-memory-usage'));
223	$servertime = wp_date( get_option('date_format') . ', ' . get_option('time_format') );
224	wp_add_dashboard_widget( 'wp_memory_dashboard', __('Memory Overview', 'wp-memory-usage')."<br>".__('Servertime', 'wp-memory-usage').": ".$servertime, array ($this, 'dashboard_output') );
225	}
226
227	private function formatWP_MEMORY_LIMIT($valin) { #WP_MEMORY_LIMIT and WP_MAX_MEMORY_LIMIT come with size and unity
228	$valin = $valin ?? '';
229	if (empty($valin)) {
230	return $valin;
231	}
232	if (preg_match("/G$/i", $valin)) {
233	# set in gigabyte
234	$valinTmp = preg_replace("/G$/i", "", $valin);
235	$valinNo = 1024 * $valinTmp;
236	$valin = $valinNo."M";
237	}
238	$size = strtolower(substr($valin, -1));
239	$number = (int) substr($valin, 0, -1);
240	$ret = array();
241	if ($size=="k") { $ret["mb"] = ($number/1024); $ret["unity"] = "kB"; }
242	if ($size=="m") { $ret["mb"] = $number; $ret["unity"] = "MB"; }
243	if ($size=="g") { $ret["mb"] = ($number*1024); $ret["unity"] = "GB"; }
244	if ($size=="t") { $ret["mb"] = ($number(10241024)); $ret["unity"] = "TB"; }
245	if ($size=="p") { $ret["mb"] = ($number(10241024*1024)); $ret["unity"] = "PB"; }
246	return $ret;
247	}
248
249	private function get_ip_address() {
250	$get_SERVER_ADDR = $this->getserverinput('SERVER_ADDR');
251	#if (isset($_SERVER[ 'SERVER_ADDR' ]) && !empty($_SERVER[ 'SERVER_ADDR' ])) {
252	if (!empty($get_SERVER_ADDR)) {
253	$this->ipadr = $get_SERVER_ADDR;
254	#$this->ipadr = $_SERVER[ 'SERVER_ADDR' ];
255	}
256	$get_LOCAL_ADDR = $this->getserverinput('LOCAL_ADDR');
257	if (empty($this->ipadr) && !empty($get_LOCAL_ADDR)) {
258	#if (empty($this->ipadr) && isset($_SERVER[ 'LOCAL_ADDR' ]) && !empty($_SERVER[ 'LOCAL_ADDR' ])) {
259	$this->ipadr = $get_LOCAL_ADDR;
260	#$this->ipadr = $_SERVER[ 'LOCAL_ADDR' ];
261	}
262
263	$get_SERVER_NAME = $this->getserverinput('SERVER_NAME');
264	if (!empty($get_SERVER_NAME)) {
265	$this->servername = $get_SERVER_NAME;
266	$this->servernameout = " (".$get_SERVER_NAME.")";
267	}
268	}
269
270	public function add_footer($content) {
271	$this->check_memory_usage();
272	$content .= ' \| '. __( 'WP Memory Limit:', 'wp-memory-usage'). ' ' . esc_html($this->memory['usage']) . ' ' . __( 'of', 'wp-memory-usage') . ' ' . esc_html($this->memory["wpmb"]).esc_html($this->memory["wpunity"]). " (".esc_html($this->memory['percent'])."%)";
273	$content .= ' \| '. __( 'PHP Memory Limit:', 'wp-memory-usage'). ' ' . esc_html($this->memory['usage']) . ' ' . __( 'of', 'wp-memory-usage') . ' ' . esc_html($this->memory['phplimit']).esc_html($this->memory['phplimitunity']). " (".esc_html($this->memory['percentphp'])."%)";
274	$content .= ' \| '. __( 'IP-Address', 'wp-memory-usage') . " " . esc_html($this->servernameout). ': '.esc_html($this->ipadr);
275	$content .= ' \| '. __( 'PHP', 'wp-memory-usage') . ": " . esc_html(PHP_VERSION);
276	return $content;
277	}
278
279	}
280
281	// Start this plugin once all other plugins are fully loaded
282
283
284
285	if ( file_exists( plugin_dir_path( __FILE__ ) . 'includes/threshold-alerts.php' ) ) { #load WPMU_Threshold_Alerts
286	require_once plugin_dir_path( __FILE__ ) . 'includes/threshold-alerts.php';
287	if ( class_exists( 'WPMU_Threshold_Alerts' ) ) {
288	add_action( 'plugins_loaded', function() {
289	WPMU_Threshold_Alerts::init(25, 100, WPMU_LOG_PATH);
290	}, 2 ); // Priority 2: nach wpmu_load_textdomain (Priority 1)
291	}
292	}
293
294	if ( is_admin() ) {
295	function WP_Memory_Usage_action_plugins_loaded( $array ) {
296	return new wp_memory_usage();
297	};
298	add_action( 'plugins_loaded', 'WP_Memory_Usage_action_plugins_loaded', 10, 1 );
299	}
300
301	// Add Settings link in Plugins list
302	add_filter( 'plugin_action_links_' . plugin_basename( __FILE__ ), function( $links ) { # insert link in plugin list
303	$settings_url = admin_url( 'options-general.php?page=wpmu-memory-alerts' );
304	$settings_link = '<a href="' . esc_url( $settings_url ) . '">' . esc_html__( 'Settings & Monitor', 'wp-memory-usage' ) . '</a>';
305	$links[] = $settings_link;
306	return $links;
307	} );