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267 lines
8.3 KiB
PHP
267 lines
8.3 KiB
PHP
<?php
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/**
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* Replaces calls to the WordPress.org BrowseHappy and ServeHappy APIs with static local data.
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*
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* @package FAIR
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*/
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namespace FAIR\Version_Check;
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/**
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* This constant is replaced by bin/update-browsers.sh.
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*
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* DO NOT EDIT THIS CONSTANT MANUALLY.
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*/
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const BROWSER_REGEX = '/Edge?\/13[6-8]\.0(\.\d+|)|Firefox\/(128\.0|1(39|4[0-3])\.0)(\.\d+|)|Chrom(ium|e)\/(109\.0|1{2}2\.0|131\.0|1(3[6-9]|4[01])\.0)(\.\d+|)|(Maci|X1{2}).+ Version\/(18\.[45]|26\.0)([,.]\d+|)( \(\w+\)|)( Mobile\/\w+|) Safari\/|Chrome.+OPR\/1{2}[67]\.0\.\d+|(CPU[ +]OS|iPhone[ +]OS|CPU[ +]iPhone|CPU IPhone OS|CPU iPad OS)[ +]+(16[._][67]|17[._][67]|18[._][3-5]|26[._]0)([._]\d+|)|Opera Mini|Android:?[ /-]138(\.0|)(\.\d+|)|Mobile Safari.+OPR\/8(0\.){2}\d+|Android.+Firefox\/140\.0(\.\d+|)|Android.+Chrom(ium|e)\/138\.0(\.\d+|)|Android.+(UC? ?Browser|UCWEB|U3)[ /]?1(5\.){2}\d+|SamsungBrowser\/2[78]\.0|Android.+MQ{2}Browser\/14(\.9|)(\.\d+|)|K[Aa][Ii]OS\/(2\.5|3\.[01])(\.\d+|)/';
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/**
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* The latest branch of PHP which WordPress.org recommends.
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*/
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const RECOMMENDED_PHP = '7.4';
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/**
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* The oldest branch of PHP which WordPress core still works with.
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*/
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const MINIMUM_PHP = '7.2.24';
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/**
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* The lowest branch of PHP which is actively supported.
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*
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* (Fallback if we can't load PHP.net.)
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*/
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const SUPPORTED_PHP = '7.4';
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/**
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* The lowest branch of PHP which is receiving security updates.
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*
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* (Fallback if we can't load PHP.net.)
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*/
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const SECURE_PHP = '7.4';
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/**
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* The lowest branch of PHP which is still considered acceptable in WordPress.
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*
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* (Fallback if we can't load PHP.net.)
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*/
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const ACCEPTABLE_PHP = '7.4';
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/**
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* Lifetime of the php.net cache.
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*/
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const CACHE_LIFETIME = 12 * HOUR_IN_SECONDS;
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/**
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* Bootstrap.
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*/
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function bootstrap() {
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add_filter( 'pre_http_request', __NAMESPACE__ . '\\replace_browser_version_check', 10, 3 );
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}
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/**
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* Replace the browser version check.
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*
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* @param bool|array $value Filtered value, or false to proceed.
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* @param array $args HTTP request arguments.
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* @param string $url The request URL.
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* @return bool|array Replaced value, or false to proceed.
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*/
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function replace_browser_version_check( $value, $args, $url ) {
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if ( str_contains( $url, 'api.wordpress.org/core/browse-happy' ) ) {
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$agent = $args['body']['useragent'];
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return get_browser_check_response( $agent );
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}
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if ( str_contains( $url, 'api.wordpress.org/core/serve-happy' ) ) {
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$query = parse_url( $url, PHP_URL_QUERY );
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$url_args = wp_parse_args( $query );
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return get_server_check_response( $url_args['php_version'] ?? PHP_VERSION );
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}
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// Continue as we were.
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return $value;
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}
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/**
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* Check whether the agent matches, and return a fake response.
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*
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* @param string $agent User-agent to check.
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* @return array HTTP API response-like data.
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*/
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function get_browser_check_response( string $agent ) {
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// Switch delimiter to avoid conflicts.
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$regex = '#' . trim( BROWSER_REGEX, '/' ) . '#';
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$supported = preg_match( $regex, $agent, $matches );
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return [
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'response' => [
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'code' => 200,
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'message' => 'OK',
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],
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'body' => json_encode( [
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'platform' => _x( 'your platform', 'operating system check', 'fair' ),
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'name' => _x( 'your browser', 'browser version check', 'fair' ),
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'version' => '',
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'current_version' => '',
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'upgrade' => ! $supported,
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'insecure' => ! $supported,
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'update_url' => 'https://browsehappy.com/',
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'img_src' => '',
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'img_src_ssl' => '',
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] ),
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'headers' => [],
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'cookies' => [],
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'http_response_code' => 200,
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];
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}
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/**
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* Get PHP branch data from php.net
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*
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* @return array|null Branch-indexed data from PHP.net, or null on failure.
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*/
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function get_php_branches() {
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$releases = get_transient( 'php_releases' );
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if ( $releases ) {
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return $releases;
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}
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$response = wp_remote_get( 'https://www.php.net/releases/branches' );
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if ( is_wp_error( $response ) ) {
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// Failed - we'll fall back to hardcoded data.
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return null;
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}
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$data = json_decode( wp_remote_retrieve_body( $response ), true );
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if ( ! is_array( $data ) ) {
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// Likely a server-level error - fall back to hardcoded data.
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return null;
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}
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// Index data by branch.
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$indexed = [];
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foreach ( $data as $ver ) {
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if ( empty( $ver['branch'] ) ) {
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continue;
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}
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$indexed[ $ver['branch'] ] = $ver;
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}
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set_transient( 'php_releases', $indexed, CACHE_LIFETIME );
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return $indexed;
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}
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/**
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* Check the PHP version against current versions.
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*
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* (WP sets is_lower_than_future_minimum manually based on >=7.4)
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*
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* The logic for the dashboard widget is:
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* - If is_acceptable, show nothing.
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* - Else if is_lower_than_future_minimum, show "PHP Update Required"
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* - Else, show "PHP Update Recommended"
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*
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* The logic for the Site Health check is:
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* - If the version is greater than recommended_version, show "running a recommended version"
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* - Else if is_supported, show "running on an older version"
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* - Else if is_secure and is_lower_than_future_minimum, show "outdated version which will soon not be supported"
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* - Else if is_secure, show "running on an older version which should be updated"
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* - Else if is_lower_than_future_minimum, show "outdated version which does not receive security updates and will soon not be supported"
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* - Else, show "outdated version which does not receive security updates"
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*
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* @param string $version Version to check.
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* @return array HTTP API response-like data.
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*/
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function check_php_version( string $version ) {
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$branches = get_php_branches();
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if ( empty( $branches ) ) {
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// Hardcoded fallback if we can't contact PHP.net.
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return [
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'recommended_version' => RECOMMENDED_PHP,
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'minimum_version' => MINIMUM_PHP,
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'is_supported' => version_compare( $version, SUPPORTED_PHP, '>=' ),
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'is_secure' => version_compare( $version, SECURE_PHP, '>=' ),
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'is_acceptable' => version_compare( $version, ACCEPTABLE_PHP, '>=' ),
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];
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}
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$min_stable = null;
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$min_secure = null;
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foreach ( $branches as $ver ) {
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// 'branch' is the major version.
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// 'latest' is the latest minor version on the branch.
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switch ( $ver['state'] ) {
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case 'stable':
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if ( $min_stable === null || version_compare( $ver['branch'], $min_stable, '<' ) ) {
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$min_stable = $ver['branch'];
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$min_secure = $ver['branch'];
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}
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break;
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case 'security':
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if ( $min_secure === null || version_compare( $ver['branch'], $min_secure, '<' ) ) {
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$min_secure = $ver['branch'];
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}
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break;
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case 'eol':
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// Ignore EOL versions.
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break;
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}
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}
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$ver_parts = explode( '.', $version );
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$cur_branch = sprintf( '%d.%d', $ver_parts[0], $ver_parts[1] );
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if ( empty( $branches[ $cur_branch ] ) ) {
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// Unknown version, likely future.
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return [
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'recommended_version' => $min_stable,
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'minimum_version' => MINIMUM_PHP,
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'is_supported' => version_compare( $version, $min_stable, '>=' ),
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'is_secure' => version_compare( $version, $min_secure, '>=' ),
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'is_acceptable' => version_compare( $version, $min_secure, '>=' ),
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];
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}
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$cur_branch_data = $branches[ $cur_branch ];
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if ( $cur_branch_data['state'] === 'security' ) {
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return [
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// If we're on the security branches, the recommended version
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// should be the latest version of this branch.
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'recommended_version' => $cur_branch_data['latest'],
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'minimum_version' => MINIMUM_PHP,
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'is_supported' => $cur_branch_data['state'] === 'stable',
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'is_secure' => version_compare( $version, $cur_branch_data['latest'], '>=' ),
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'is_acceptable' => version_compare( $version, $cur_branch_data['latest'], '>=' ),
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];
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}
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// Must be eol or future version.
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return [
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// Show the latest version of this branch or the minimum stable, whichever is greater.
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'recommended_version' => version_compare( $version, $min_stable, '>' ) ? $cur_branch_data['latest'] : $min_stable,
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'minimum_version' => MINIMUM_PHP,
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'is_supported' => version_compare( $version, $min_stable, '>=' ),
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'is_secure' => version_compare( $version, $min_secure, '>=' ),
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'is_acceptable' => version_compare( $version, $min_secure, '>=' ),
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];
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}
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/**
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* Get the server check shim response.
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*
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* @param string $version Version to check.
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* @return array HTTP API response-like data.
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*/
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function get_server_check_response( string $version ) {
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return [
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'response' => [
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'code' => 200,
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'message' => 'OK',
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],
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'body' => json_encode( check_php_version( $version ) ),
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'headers' => [],
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'cookies' => [],
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'http_response_code' => 200,
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];
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}
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