Commit 054c48f6 authored by Hendrik Klemp's avatar Hendrik Klemp
Browse files

Add Clear cache Button to Options Page

parent 0bc66a24
...@@ -55,7 +55,7 @@ try { ...@@ -55,7 +55,7 @@ try {
} else if ($redis->exists($redis_key)) { } else if ($redis->exists($redis_key)) {
$cache = true; $cache = true;
$html_of_page = $redis->get($redis_key); $html_of_page = $redis->get($redis_key);
echo $html_of_page; echo $html_of_page;
// If the cache does not exist lets display the user the normal page without cache, and then fetch a new cache page // If the cache does not exist lets display the user the normal page without cache, and then fetch a new cache page
} else if ($_SERVER['REMOTE_ADDR'] != $ip_of_your_website && strstr($current_url, 'preview=true') == false) { } else if ($_SERVER['REMOTE_ADDR'] != $ip_of_your_website && strstr($current_url, 'preview=true') == false) {
...@@ -68,7 +68,7 @@ try { ...@@ -68,7 +68,7 @@ try {
require('./wp-blog-header.php'); require('./wp-blog-header.php');
$html_of_page = ob_get_contents(); $html_of_page = ob_get_contents();
ob_end_clean(); ob_end_clean();
echo $html_of_page; echo $html_of_page;
$unlimited = get_option('wp-redis-cache-debug',false); $unlimited = get_option('wp-redis-cache-debug',false);
$seconds_cache_redis = get_option('wp-redis-cache-seconds',43200); $seconds_cache_redis = get_option('wp-redis-cache-seconds',43200);
......
<?php <?php
add_action('transition_post_status', 'refresh_wp_redis_cache',10,3); add_action('transition_post_status', 'refresh_wp_redis_cache',10,3);
add_action('wp_ajax_clear_wp_redis_cache', 'clear_wp_redis_cache');
add_action( 'admin_footer', 'clear_wp_redis_cache_javascript' );
//clears the cache after you update a post //clears the cache after you update a post
function refresh_wp_redis_cache( $new, $old, $post ) function refresh_wp_redis_cache( $new, $old, $post )
{ {
if($new == "publish") if($new == "publish")
{ {
$permalink = get_permalink( $post->ID ); $permalink = get_permalink( $post->ID );
// aaronstpierre: this needs to be include_once so as not to cauase a redeclaration error
include_once("predis5.2.php"); //we need this to use Redis inside of PHP
$redis = new Predis_Client();
// aaronstpierre: this needs to be include_once so as not to cauase a redeclaration error $redis_key = md5($permalink);
include_once("predis5.2.php"); //we need this to use Redis inside of PHP $redis->del($redis_key);
$redis = new Predis_Client();
//refresh the front page
$frontPage = get_home_url() . "/";
$redis_key = md5($frontPage);
$redis->del($redis_key);
}
}
$redis_key = md5($permalink); // clears the whole cache
$redis->del($redis_key); function clear_wp_redis_cache()
{
include_once("predis5.2.php"); //we need this to use Redis inside of PHP
$args = array( 'post_type' => 'any', 'posts_per_page' => -1);
$wp_query = new WP_Query( $args); // to get all Posts
$redis = new Predis_Client();
// Loop all posts and clear the cache
$i = 0;
while ( $wp_query->have_posts() ) : $wp_query->the_post();
$permalink = get_permalink();
//refresh the front page $redis_key = md5($permalink);
$frontPage = get_home_url() . "/"; if (($redis->exists($redis_key)) == true ) {
$redis_key = md5($frontPage); $redis->del($redis_key);
$redis->del($redis_key); $i++;
}
endwhile;
echo $i++." of " . $wp_query -> found_posts . " posts was cleared in cache";
die();
} }
function clear_wp_redis_cache_javascript() {
?>
<script type="text/javascript" >
jQuery(document).ready(function($) {
jQuery('#WPRedisClearCache').click(function(){
var data = {
action: 'clear_wp_redis_cache',
};
// since 2.8 ajaxurl is always defined in the admin header and points to admin-ajax.php
$.post(ajaxurl, data, function(response) {
alert(response);
});
});
});
</script>
<?php
} }
?>
...@@ -143,7 +143,7 @@ function edit_redis_options() { ...@@ -143,7 +143,7 @@ function edit_redis_options() {
<input type="checkbox" name="wp-redis-cache-unlimited" size="45" value="true" <?php checked('true', get_option('wp-redis-cache-unlimited')); ?>/></p> <input type="checkbox" name="wp-redis-cache-unlimited" size="45" value="true" <?php checked('true', get_option('wp-redis-cache-unlimited')); ?>/></p>
<p><input type="submit" name="Submit" value="Update Options" /></p> <p><input type="submit" name="Submit" value="Update Options" /></p>
<p><input type="button" id="WPRedisClearCache" name="WPRedisClearCache" value="Clear Cache"></p>
<input type="hidden" name="action" value="update" /> <input type="hidden" name="action" value="update" />
<input type="hidden" name="page_options" value="wp-redis-cache-seconds,wp-redis-cache-unlimited" /> <input type="hidden" name="page_options" value="wp-redis-cache-seconds,wp-redis-cache-unlimited" />
......
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