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[WordPress - General] Show additional server information. Useful for debugging website.
<?php
/*
Plugin Name: WPMU DEV Tools
Plugin URI: https://premium.wpmudev.org/
Version: 0.5.1
Description: Shows diagnostic information about the current server environment as well as tests cURL connectivity to <a href="https://premium.wpmudev.org" target="_blank">premium.wpmudev.org</a> and displays the debug.log. <br /><strong>Notice</strong>: This plugin utilizes <a href="http://php.net/manual/en/function.shell-exec.php" target="_blank">shell_exec()</a>. This must be enabled in PHP for full functionality.
Author: James Morris & Lindeni @ WPMU DEV
Author URI: https://premium.wpmudev.org/
License: GPLv2 or later
*/
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
error_reporting(E_ALL);
ini_set('display_errors', 1);
class WPMUDEV_Supplementary_Tools {
private static $_instance = null;
public static function get_instance() {
if( is_null( self::$_instance ) ){
self::$_instance = new WPMUDEV_Supplementary_Tools();
}
return self::$_instance;
}
public function __construct() {
add_action( 'init', array($this, 'debug_on' ) );
add_action( 'admin_menu', array($this, 'wpmudev_tools_admin_menu' ) );
add_action( 'network_admin_menu', array($this, 'wpmudev_tools_admin_menu' ) );
add_action( 'admin_head', array( $this, 'css' ) );
}
public function wpmudev_tools_admin_menu(){
add_management_page(
__( 'WPMU DEV Tools', 'wpmudevtools' ),
__( 'WPMU DEV Tools', 'wpmudevtools' ),
'manage_options',
'wpmudevtools',
array( $this, 'wpmudev_show_server_info' )
);
}
public function debug_on(){
if (! defined('WP_DEBUG') ) define('WP_DEBUG', true);
if (! defined('WP_DEBUG_LOG') ) define('WP_DEBUG_LOG', true);
if (! defined('WP_DEBUG_DISPLAY') ) define('WP_DEBUG_DISPLAY', false);
@ini_set('display_errors', 0);
}
public function wpmudev_show_server_info() {
?>
<?php
$du = shell_exec('du -hs ' . ABSPATH);
$ls = shell_exec('ls -al ' . ABSPATH);
$cat = shell_exec('cat ' . ABSPATH . '/wp-content/debug.log');
$realIP = file_get_contents("http://ipecho.net/plain");
?>
<div id="tools_output">
<h1>WPMU DEV Tools</h1>
<hr />
<h2>Description:</h2>
<p>Shows diagnostic information about the current server environment as well as tests cURL connectivity to <a href="https://premium.wpmudev.org" target="_blank">premium.wpmudev.org</a> and displays the debug.log. <br /><strong>Notice</strong>: This plugin utilizes <a href="http://php.net/manual/en/function.shell-exec.php" target="_blank">shell_exec()</a>. This must be enabled in PHP for full functionality.</p>
<h2>Current Disk Usage</h2>
<p><?php echo $du; ?></p>
<h2>Server IP: <?php echo $_SERVER['SERVER_ADDR']; ?></h2>
<h2>Outbound IP (<em>may differ from Server IP</em>): <?php echo $realIP; ?></h2>
<h2>Memory Informmation (RAM)</h2>
<pre><?php $meminfo = $this->get_memory_info();
foreach ( $meminfo as $key => $value ) {
echo $key . ' : ' . $value . '<br />';
}?></pre>
<h2>Current Directory Listing</h2>
<pre><?php echo $ls; ?></pre>
<h2>cURL Test</h2>
<pre> <?php
if ($this->isDEVAvailible('https://premium.wpmudev.org/api/dashboard/v1/')) {
echo "<h2>You're able to access the WPMU DEV API via cURL!</h2>";
}
else {
echo "<h2>You're <strong>NOT</strong> able to access the WPMU DEV API via cURL!</h2>";
}
if ( $this->isGoogleAvailible('https://google.com')) {
echo "<h2>You're able to access Google via cURL!</h2>";
}
else {
echo "<h2>You're <strong>NOT</strong> able to access Google via cURL!</h2>";
}
?> </pre>
<h2>cURL Test 2</h2>
<pre><?php
echo "<h3>Response</h3>";
echo "<hr />";
$ch = curl_init('https://premium.wpmudev.org/api/dashboard/v1/');
curl_exec($ch);
$info = curl_getinfo($ch);
echo "<hr />";
echo "<h3>Timing</h3>";
echo "<hr />";
print_r ( $info );
curl_close($ch);
echo "<hr />";
?></pre>
<h2>debug.log output</h2>
<pre><?php echo $cat; ?></pre>
<h2>PHPInfo</h2>
<div id="phpinfoscroll"><?php $this->phpinfo(); ?></div>
</div>
<?php
}
//returns true, if domain is availible, false if not
function isDEVAvailible($domain) {
//check, if a valid url is provided
if(!filter_var($domain, FILTER_VALIDATE_URL)) {
return false;
}
//initialize curl
$curlInit = curl_init($domain);
curl_setopt($curlInit,CURLOPT_CONNECTTIMEOUT,10);
curl_setopt($curlInit,CURLOPT_HEADER,true);
curl_setopt($curlInit,CURLOPT_NOBODY,true);
curl_setopt($curlInit,CURLOPT_RETURNTRANSFER,true);
//get answer
$response = curl_exec($curlInit);
curl_close($curlInit);
if ($response) return true;
return false;
}
//returns true, if domain is availible, false if not
function isGoogleAvailible($domain)
{
//check, if a valid url is provided
if(!filter_var($domain, FILTER_VALIDATE_URL))
{
return false;
}
//initialize curl
$curlInit = curl_init($domain);
curl_setopt($curlInit,CURLOPT_CONNECTTIMEOUT,10);
curl_setopt($curlInit,CURLOPT_HEADER,true);
curl_setopt($curlInit,CURLOPT_NOBODY,true);
curl_setopt($curlInit,CURLOPT_RETURNTRANSFER,true);
//get answer
$response = curl_exec($curlInit);
curl_close($curlInit);
if ($response) return true;
return false;
}
function get_memory_details(){
$fh = fopen('/proc/meminfo','r');
$mem = 0;
while ( $line = fgets( $fh ) ) {
$pieces = array();
if (preg_match('/^MemTotal:\s+(\d+)\skB$/', $line, $pieces)) {
$mem = $pieces[1];
break;
}
}
fclose( $fh );
echo "$mem kB RAM found";
}
function get_memory_info()
{
$data = explode("\n", file_get_contents("/proc/meminfo"));
$meminfo = array();
foreach ($data as $line) {
list($key, $val) = explode(":", $line);
$meminfo[$key] = trim($val);
}
return $meminfo;
}
public function phpinfo(){
ob_start();
phpinfo();
$php_info = ob_get_clean();
//remove the styling because it overrides wordpress styles
$css = $this->get_string_between($php_info, '<head>', '</head>');
$php_info = str_replace(
array( $css, '<html xmlns="http://www.w3.org/1999/xhtml"><head>', '</head>','<body>','</body>','</html>'),
"", $php_info
);
$php_info = str_replace( '<table>', '<table class="form-table">', $php_info );
echo $php_info;
}
public function get_string_between($string, $start, $end){
$string = ' ' . $string;
$ini = strpos($string, $start);
if ($ini == 0) return '';
$ini += strlen($start);
$len = strpos($string, $end, $ini) - $ini;
return substr($string, $ini, $len);
}
public function css(){
if ( $_GET['page'] == 'wpmudevtools' ) : ?>
<style type="text/css">
/**body {background-color: #fff; color: #222; font-family: sans-serif;}
pre {margin: 0; font-family: monospace;}
a:link {color: #009; text-decoration: none; background-color: #fff;}
a:hover {text-decoration: underline;}**/
#tools_output {
margin: 1em 1em 0 0;
padding: 1em;
background-color: white;
border: 1px solid silver;
border-radius: 5px;
overflow: hidden;
}
pre{
height:250px;
overflow:scroll;
background:#efefef;
border:1px solid silver;
padding:0 1em;
}
iframe, #phpinfoscroll{
width: 100%;
height:500px;
overflow:scroll;
border:1px solid silver;
padding:0 1em;
}
#content table {border-collapse: collapse; border: 0; width: 934px; box-shadow: 1px 2px 3px #ccc;}
.center {text-align: center;}
.center table {margin: 1em auto; text-align: left;}
.center th {text-align: center !important;}
td, th {border: 1px solid #666; font-size: 75%; vertical-align: baseline; padding: 4px 5px;}
#content h1 {font-size: 150%;}
#content h2 {font-size: 125%;}
.p {text-align: left;}
.e {background-color: #ccf; width: 300px; font-weight: bold;}
.h {background-color: #99c; font-weight: bold;}
.v {background-color: #ddd; max-width: 300px; overflow-x: auto; word-wrap: break-word;}
.v i {color: #999;}
img {float: right; border: 0;}
hr {width: 934px; background-color: #ccc; border: 0; height: 1px;}
pre hr {width:100% !important;}
</style>
<?php
endif;
}
public function log(){
}
}
add_action( 'plugins_loaded', function(){
$GLOBALS['WPMUDEV_Supplementary_Tools'] = WPMUDEV_Supplementary_Tools::get_instance();
}, 10 );
@wpmudev-sls

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Owner Author

commented Nov 17, 2017

Download and upload as a regular WordPress plugin. Go to "Tools > More Server Info" and there you will see the information. This uses shell_exec so it may not work on hosts that have disabled this function.

@JRMorris77

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commented Nov 25, 2017

Update to the above...

  • Download and install as a regular WordPress plugin
  • Go to WP Admin -> Tools -> WPMU DEV Tools
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