mirror of
https://github.com/WordPress/WordPress.git
synced 2024-11-05 02:10:45 +01:00
7fa4744082
git-svn-id: http://svn.automattic.com/wordpress/trunk@7237 1a063a9b-81f0-0310-95a4-ce76da25c4cd
75 lines
2.5 KiB
PHP
75 lines
2.5 KiB
PHP
<?php
|
|
/**
|
|
* A simple set of functions to check our version 1.0 update service
|
|
*
|
|
* @package WordPress
|
|
* @since 2.3
|
|
*/
|
|
|
|
/**
|
|
* wp_version_check() - Check WordPress version against the newest version.
|
|
*
|
|
* The WordPress version, PHP version, and Locale is sent. Checks against the WordPress server at
|
|
* api.wordpress.org server. Will only check if PHP has fsockopen enabled and WordPress isn't installing.
|
|
*
|
|
* @package WordPress
|
|
* @since 2.3
|
|
* @uses $wp_version Used to check against the newest WordPress version.
|
|
*
|
|
* @return mixed Returns null if update is unsupported. Returns false if check is too soon.
|
|
*/
|
|
function wp_version_check() {
|
|
if ( !function_exists('fsockopen') || strpos($_SERVER['PHP_SELF'], 'install.php') !== false || defined('WP_INSTALLING') )
|
|
return;
|
|
|
|
global $wp_version;
|
|
$php_version = phpversion();
|
|
|
|
$current = get_option( 'update_core' );
|
|
$locale = get_locale();
|
|
|
|
if (
|
|
isset( $current->last_checked ) &&
|
|
43200 > ( time() - $current->last_checked ) &&
|
|
$current->version_checked == $wp_version
|
|
)
|
|
return false;
|
|
|
|
$new_option = '';
|
|
$new_option->last_checked = time(); // this gets set whether we get a response or not, so if something is down or misconfigured it won't delay the page load for more than 3 seconds, twice a day
|
|
$new_option->version_checked = $wp_version;
|
|
|
|
$http_request = "GET /core/version-check/1.1/?version=$wp_version&php=$php_version&locale=$locale HTTP/1.0\r\n";
|
|
$http_request .= "Host: api.wordpress.org\r\n";
|
|
$http_request .= 'Content-Type: application/x-www-form-urlencoded; charset=' . get_option('blog_charset') . "\r\n";
|
|
$http_request .= 'User-Agent: WordPress/' . $wp_version . '; ' . get_bloginfo('url') . "\r\n";
|
|
$http_request .= "\r\n";
|
|
|
|
$response = '';
|
|
if ( false !== ( $fs = @fsockopen( 'api.wordpress.org', 80, $errno, $errstr, 3 ) ) && is_resource($fs) ) {
|
|
fwrite( $fs, $http_request );
|
|
while ( !feof( $fs ) )
|
|
$response .= fgets( $fs, 1160 ); // One TCP-IP packet
|
|
fclose( $fs );
|
|
|
|
$response = explode("\r\n\r\n", $response, 2);
|
|
if ( !preg_match( '|HTTP/.*? 200|', $response[0] ) )
|
|
return false;
|
|
|
|
$body = trim( $response[1] );
|
|
$body = str_replace(array("\r\n", "\r"), "\n", $body);
|
|
|
|
$returns = explode("\n", $body);
|
|
|
|
$new_option->response = attribute_escape( $returns[0] );
|
|
if ( isset( $returns[1] ) )
|
|
$new_option->url = clean_url( $returns[1] );
|
|
if ( isset( $returns[2] ) )
|
|
$new_option->current = attribute_escape( $returns[2] );
|
|
}
|
|
update_option( 'update_core', $new_option );
|
|
}
|
|
|
|
add_action( 'init', 'wp_version_check' );
|
|
|
|
?>
|