diff --git a/index-wp-redis.php b/index-wp-redis.php
index c0f8758d74a165d7e5f2b4331b72969831b40589..9f4bd1d72a18668143b0aba4b7768badf4203420 100644
--- a/index-wp-redis.php
+++ b/index-wp-redis.php
@@ -3,149 +3,153 @@
// Start the timer so we can track the page load time
$start = microtime();
-function get_micro_time($time) {
- list($usec, $sec) = explode(" ", $time);
- return ((float) $usec + (float) $sec);
+function get_micro_time( $time ) {
+ list( $usec, $sec ) = explode( " ", $time );
+ return ( (float) $usec + (float) $sec );
}
-function refresh_has_secret($secret) {
- return isset($_GET['refresh']) && $_GET['refresh'] == $secret;
+function refresh_has_secret( $secret ) {
+ return isset( $_GET['refresh'] ) && $secret == $_GET['refresh'];
}
-function request_has_secret($secret) {
- return strpos($_SERVER['REQUEST_URI'],"refresh=${secret}")!==false;
+function request_has_secret( $secret ) {
+ return false !== strpos( $_SERVER['REQUEST_URI'], "refresh=${secret}" );
}
-function is_remote_page_load($currentUrl, $websiteIp) {
- return (isset($_SERVER['HTTP_REFERER'])
- && $_SERVER['HTTP_REFERER']== $currentUrl
+function is_remote_page_load( $currentUrl, $websiteIp ) {
+ return ( isset( $_SERVER['HTTP_REFERER'] )
+ && $_SERVER['HTTP_REFERER'] == $currentUrl
&& $_SERVER['REQUEST_URI'] != '/'
- && $_SERVER['REMOTE_ADDR'] != $websiteIp);
+ && $_SERVER['REMOTE_ADDR'] != $websiteIp );
}
function handle_cdn_remote_addressing() {
// so we don't confuse the cloudflare server
- if (isset($_SERVER['HTTP_CF_CONNECTING_IP'])) {
+ if ( isset( $_SERVER['HTTP_CF_CONNECTING_IP'] ) ) {
$_SERVER['REMOTE_ADDR'] = $_SERVER['HTTP_CF_CONNECTING_IP'];
}
}
-function get_clean_url($secret) {
- $replaceKeys = array("?refresh=${secret}","&refresh=${secret}");
+function get_clean_url( $secret ) {
+ $replaceKeys = array( "?refresh=${secret}","&refresh=${secret}" );
$url = "http://${_SERVER['HTTP_HOST']}${_SERVER['REQUEST_URI']}";
- $current_url = str_replace($replaceKeys, '', $url);
+ $current_url = str_replace( $replaceKeys, '', $url );
return $current_url;
}
-$debug = true;
-$cache = true;
-$websiteIp = '127.0.0.1';
-$reddis_server = '127.0.0.1';
-$secret_string = 'changeme';
-$current_url = get_clean_url($secret_string);
-$redis_key = md5($current_url);
+$debug = true;
+$cache = true;
+$websiteIp = '127.0.0.1';
+$reddis_server = '127.0.0.1';
+$secret_string = 'changeme';
+$current_url = get_clean_url( $secret_string );
+$redis_key = md5( $current_url );
handle_cdn_remote_addressing();
-if(!defined('WP_USE_THEMES')) {
- define('WP_USE_THEMES', true);
+if ( ! defined( 'WP_USE_THEMES' ) ) {
+ define( 'WP_USE_THEMES', true );
}
try {
// check if PECL Extension is available
- if (class_exists('Redis')) {
- if ($debug) {
+ if ( class_exists( 'Redis' ) ) {
+ if ( $debug ) {
echo "<!-- Redis PECL module found -->\n";
}
+
$redis = new Redis();
// Sockets can be used as well. Documentation @ https://github.com/nicolasff/phpredis/#connection
- $redis->connect($reddis_server);
+ $redis->connect( $reddis_server );
} else { // Fallback to predis5.2.php
-
- if ($debug) {
+ if ( $debug ) {
echo "<!-- using predis as a backup -->\n";
}
- include_once("wp-content/plugins/wp-redis-cache/predis5.2.php"); //we need this to use Redis inside of PHP
+
+ include_once( "wp-content/plugins/wp-redis-cache/predis5.2.php" ); //we need this to use Redis inside of PHP
$redis = new Predis_Client();
}
//Either manual refresh cache by adding ?refresh=secret_string after the URL or somebody posting a comment
- if (refresh_has_secret($secret_string) || request_has_secret($secret_string) || is_remote_page_load($current_url, $websiteIp)) {
- if ($debug) {
+ if ( refresh_has_secret( $secret_string ) || request_has_secret( $secret_string ) || is_remote_page_load( $current_url, $websiteIp ) ) {
+ if ( $debug ) {
echo "<!-- manual refresh was required -->\n";
}
- $redis->del($redis_key);
+
+ $redis->del( $redis_key );
+
require('./wp-blog-header.php');
- $unlimited = get_option('wp-redis-cache-debug',false);
- $seconds_cache_redis = get_option('wp-redis-cache-seconds',43200);
+ $unlimited = get_option( 'wp-redis-cache-debug', false );
+ $seconds_cache_redis = get_option( 'wp-redis-cache-seconds', 43200 );
+
// This page is cached, lets display it
- } else if ($redis->exists($redis_key)) {
- if ($debug) {
+ } elseif ( $redis->exists( $redis_key ) ) {
+ if ( $debug ) {
echo "<!-- serving page from cache: key: $redis_key -->\n";
}
+
$cache = true;
+
$html_of_page = $redis->get($redis_key);
echo $html_of_page;
- // If the cache does not exist lets display the user the normal page without cache, and then fetch a new cache page
- } else if ($_SERVER['REMOTE_ADDR'] != $websiteIp && strstr($current_url, 'preview=true') == false) {
- if ($debug) {
+ // If the cache does not exist lets display the user the normal page without cache, and then fetch a new cache page
+ } elseif ( $_SERVER['REMOTE_ADDR'] != $websiteIp && false === strstr( $current_url, 'preview=true' ) ) {
+ if ( $debug ) {
echo "<!-- displaying page without cache -->\n";
}
- $isPOST = ($_SERVER['REQUEST_METHOD'] === 'POST') ? 1 : 0;
+ $isPOST = (int) 'POST' === $_SERVER['REQUEST_METHOD'];
- $loggedIn = preg_match("/wordpress_logged_in/", var_export($_COOKIE, true));
- if (!$isPOST && !$loggedIn) {
+ $loggedIn = preg_match( "/wordpress_logged_in/", var_export( $_COOKIE, true ) );
+ if ( ! $isPOST && ! $loggedIn ) {
ob_start();
require('./wp-blog-header.php');
$html_of_page = ob_get_contents();
ob_end_clean();
echo $html_of_page;
- if (!is_numeric($seconds_cache_redis)) {
+ if ( ! is_numeric( $seconds_cache_redis ) ) {
$seconds_cache_redis = 43200;
}
// When a page displays after an "HTTP 404: Not Found" error occurs, do not cache
// When the search was used, do not cache
- if ((!is_404()) and (!is_search())) {
- if ($unlimited) {
- $redis->set($redis_key, $html_of_page);
+ if ( ( ! is_404() ) and ( ! is_search() ) ) {
+ if ( $unlimited ) {
+ $redis->set( $redis_key, $html_of_page );
} else {
- $redis->setex($redis_key, $seconds_cache_redis, $html_of_page);
+ $redis->setex( $redis_key, $seconds_cache_redis, $html_of_page );
}
-
}
} else { //either the user is logged in, or is posting a comment, show them uncached
require('./wp-blog-header.php');
}
-
- } else if ($_SERVER['REMOTE_ADDR'] != $websiteIp && strstr($current_url, 'preview=true') == true) {
+ } elseif ( $_SERVER['REMOTE_ADDR'] != $websiteIp && true === strstr( $current_url, 'preview=true' ) ) {
require('./wp-blog-header.php');
}
// else { // This is what your server should get if no cache exists //deprecated, as the ob_start() is cleaner
// require('./wp-blog-header.php');
// }
-} catch (Exception $e) {
+} catch ( Exception $e ) {
//require('./wp-blog-header.php');
echo "something went wrong";
}
$end = microtime();
-$time = (@get_micro_time($end) - @get_micro_time($start));
-if ($debug) {
+$time = @get_micro_time( $end ) - @get_micro_time( $start );
+if ( $debug ) {
echo "<!-- Cache system by Benjamin Adams. Page generated in " . round($time, 5) . " seconds. -->\n";
echo "<!-- Site was cached = " . $cache . " -->\n";
- if (isset($seconds_cache_redis)) {
+ if ( isset( $seconds_cache_redis ) ) {
echo "<!-- wp-redis-cache-seconds = " . $seconds_cache_redis . " -->\n";
}
echo "<!-- wp-redis-cache-secret = " . $secret_string . "-->\n";
echo "<!-- wp-redis-cache-ip = " . $websiteIp . "-->\n";
- if (isset($unlimited)) {
+ if ( isset( $unlimited ) ) {
echo "<!-- wp-redis-cache-unlimited = " . $unlimited . "-->\n";
}
echo "<!-- wp-redis-cache-debug = " . $debug . "-->\n";