searchpro / inc / photon / class-berqPageOptimizer.php

class-berqPageOptimizer.php in BerqWP – All-In-One Optimization for Core Web Vitals, Cache, CDN, Images, CSS & JavaScript 1.9.7, at inc/photon/class-berqPageOptimizer.php

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1	<?php
2	if (!defined('ABSPATH')) exit;
3
4	class berqPageOptimizer {
5	public $page_slug = null;
6
7	function start_cache() {
8	add_action('template_redirect', [$this, 'buffer_start'], 2);
9	}
10
11	function set_slug($slug) {
12	$this->page_slug = $slug;
13	}
14
15	function buffer_start() {
16	ob_start([$this, 'buffer_end']);
17	}
18
19	function store_cache($buffer) {
20	// Define the cache directory
21	$cache_directory = optifer_cache . '/html/';
22
23	// Create the cache directory if it doesn't exist
24	if (!file_exists($cache_directory)) {
25	mkdir($cache_directory, 0755, true);
26	}
27
28	$cache_file = $cache_directory . md5($this->page_slug) . '.html';
29
30	// update_option( md5($slug), $key );
31	file_put_contents($cache_file, $buffer);
32
33	if (bwp_is_gzip_supported()) {
34	$cache_file = $cache_directory . md5($this->page_slug) . '.gz';
35	$buffer = gzencode($buffer, 9);
36	file_put_contents($cache_file, $buffer);
37	}
38
39
40	do_action('berqwp_stored_page_cache', $this->page_slug);
41
42	global $berq_log;
43	$berq_log->info("Stored cache for $this->page_slug from PageOptimizer class");
44	}
45
46	function buffer_end($buffer) {
47
48	if (empty($buffer)) {
49	return $buffer;
50	}
51
52	if (!function_exists('str_get_html')) {
53	require_once optifer_PATH . '/simplehtmldom/simple_html_dom.php';
54	}
55
56	if (!class_exists('scriptSeqManipulate')) {
57	require_once optifer_PATH . '/inc/class-scriptSeqManipulate.php';
58	}
59
60	$buffer = $buffer.'<!-- Optimized with BerqWP\'s instant cache. --->';
61
62	$berqBufferOptimize = new berqBufferOptimize();
63	$berqBufferOptimize->optimize_buffer($buffer, $this->page_slug);
64
65	$buffer = apply_filters( 'berqwp_cache_buffer', $buffer );
66	$this->store_cache($buffer);
67
68	return $buffer;
69	}
70	}