Commit inicial - WordPress Análisis de Precios Unitarios

- WordPress core y plugins
- Tema Twenty Twenty-Four configurado
- Plugin allow-unfiltered-html.php simplificado
- .gitignore configurado para excluir wp-config.php y uploads

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

wp-content/plugins/perfmatters/inc/classes/Buffer.php

@@ -0,0 +1,92 @@
+<?php
+namespace Perfmatters;
+
+class Buffer
+{
+    //initialize buffer class
+    public static function init()
+    {
+        add_action('wp', array('Perfmatters\Buffer', 'queue'));
+    }
+
+    //queue functions
+    public static function queue() 
+    {
+
+        //inital checks
+        if(is_admin() || perfmatters_is_dynamic_request() || perfmatters_is_page_builder() || isset($_GET['perfmatters']) || isset($_GET['perfmattersoff'])) {
+            return;
+        }
+
+        //user agent check
+        if(!empty($_SERVER['HTTP_USER_AGENT'])) {
+            $excluded_agents = array(
+                'usercentrics'
+            );
+            foreach($excluded_agents as $agent) {
+                if(stripos($_SERVER['HTTP_USER_AGENT'], $agent) !== false) {
+                    return;
+                }
+            }
+        }
+
+        //buffer is allowed
+        if(!apply_filters('perfmatters_allow_buffer', true)) {
+            return;
+        }
+
+        //add buffer action
+        add_action('template_redirect', array('Perfmatters\Buffer', 'start'), -9999);
+    }
+
+    //start buffer
+    public static function start()
+    {
+        if(has_filter('perfmatters_output_buffer_template_redirect')) {
+
+            //exclude certain requests
+            if(is_embed() || is_feed() || is_preview() || is_customize_preview()) {
+                return;
+            }
+
+            //don't buffer amp
+            if(function_exists('is_amp_endpoint') && is_amp_endpoint()) {
+                return;
+            }
+
+            ob_start(function($html) {
+
+                //check for valid buffer
+                if(!self::is_valid_buffer($html)) {
+                    return $html;
+                }
+
+                //run buffer filters
+                $html = (string) apply_filters('perfmatters_output_buffer_template_redirect', $html);
+
+                //return processed html
+                return $html;
+            });
+        }
+    }
+
+    //make sure buffer content is valid
+    private static function is_valid_buffer($html)
+    {
+        //check for valid/invalid tags
+        if(stripos($html, '<html') === false || stripos($html, '</body>') === false || stripos($html, '<xsl:stylesheet') !== false) {
+            return false;
+        }
+
+        //check for invalid urls
+        $current_url = home_url($_SERVER['REQUEST_URI']);
+        $matches = apply_filters('perfmatters_buffer_excluded_extensions', array('.xml', '.txt', '.php'));
+        foreach($matches as $match) {
+            if(stripos($current_url, $match) !== false) {
+                return false;
+            }
+        }
+
+        return true;
+    }
+}