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divi/includes/builder/plugin-compat/sg-cachepress.php

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<?php
/**
* Plugin compatibility for Siteground Optimizer.
*
* @package Divi
* @subpackage Builder
* @since 4.11.0
*/
if ( ! defined( 'ABSPATH' ) ) {
exit; // Exit if accessed directly.
}
/**
* Plugin compatibility for SiteGround Optimizer
*
* @since 4.11.0
*
* @link https://wordpress.org/plugins/sg-cachepress/
*/
class ET_Builder_Plugin_Compat_SiteGround_Optimizer extends ET_Builder_Plugin_Compat_Base {
/**
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* Excluded stylesheets.
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*
* @var null
*/
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private $_excluded = [];
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/**
* Constructor
*/
public function __construct() {
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$this->plugin_id = 'sg-cachepress/sg-cachepress.php';
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$this->init_hooks();
}
/**
* Hook methods to WordPress.
*
* @return void
*/
public function init_hooks() {
if ( ! is_plugin_active( $this->plugin_id ) ) {
return;
}
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// Do nothing if it's not on frontend.
if ( ! et_builder_is_frontend() ) {
return;
}
// Do nothing if Dynamic CSS and Critical CSS are disabled.
if ( ! ( et_use_dynamic_css() || et_builder_is_critical_enabled() ) ) {
return;
}
add_filter( 'et_core_page_resource_tag', [ $this, 'get_page_resource_handles' ], 10, 3 );
add_filter( 'sgo_css_combine_exclude', [ $this, 'exclude_inline_styles_from_siteground_cache' ], 11 );
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}
/**
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* Get PageResource handles.
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*
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* @param string $tag HTML tag.
* @param string $handle Resource handle.
* @param string $src Resource src.
*
* @since 4.14.3
*
* @return string
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*/
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public function get_page_resource_handles( $tag, $handle, $src ) {
if ( empty( $src ) ) {
return;
}
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// Some styles we enqueue too late for wp_enqueue_style so the markup is printed directly.
// However, SG Optimizer can only exclude registered styles, hence we do it now.
if ( ! wp_style_is( $handle, 'registered' ) ) {
$handle .= '-cachepress';
wp_register_style( $handle, $src, [], ET_BUILDER_VERSION );
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}
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$this->_excluded[] = $handle;
return $tag;
}
/**
* Exclude styles from being combined in SiteGround cache.
*
* @param array $excluded Excluded styles from being combined.
*/
public function exclude_inline_styles_from_siteground_cache( $excluded ) {
global $wp_styles, $shortname;
$prefix = 'divi-builder';
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if ( 'divi' === $shortname ) {
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$prefix = 'divi';
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} elseif ( 'extra' === $shortname ) {
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$prefix = 'extra';
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}
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$registered = array_keys( $wp_styles->registered );
foreach ( $registered as $handle ) {
// Exclude all our styles.
if ( false !== strpos( $handle, $prefix ) ) {
$excluded[] = $handle;
}
}
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return array_merge(
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$this->_excluded,
$excluded
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);
}
}
new ET_Builder_Plugin_Compat_SiteGround_Optimizer();