X-Git-Url: https://scripts.mit.edu/gitweb/autoinstalls/wordpress.git/blobdiff_plain/9e77185fafaf4e60e2b73821e0e4b9b1a11fb85f..0459461f9ea42e0b090759ff6fe5f48360bef750:/wp-includes/load.php
diff --git a/wp-includes/load.php b/wp-includes/load.php
index 07f2283a..d6345c76 100644
--- a/wp-includes/load.php
+++ b/wp-includes/load.php
@@ -7,13 +7,26 @@
* @package WordPress
*/
+/**
+ * Return the HTTP protocol sent by the server.
+ *
+ * @since 4.4.0
+ *
+ * @return string The HTTP protocol. Default: HTTP/1.0.
+ */
+function wp_get_server_protocol() {
+ $protocol = $_SERVER['SERVER_PROTOCOL'];
+ if ( ! in_array( $protocol, array( 'HTTP/1.1', 'HTTP/2', 'HTTP/2.0' ) ) ) {
+ $protocol = 'HTTP/1.0';
+ }
+ return $protocol;
+}
+
/**
* Turn register globals off.
*
* @since 2.1.0
* @access private
- *
- * @return null Will return null if register_globals PHP directive was disabled.
*/
function wp_unregister_GLOBALS() {
if ( !ini_get( 'register_globals' ) )
@@ -52,14 +65,14 @@ function wp_fix_server_vars() {
$_SERVER = array_merge( $default_server_values, $_SERVER );
// Fix for IIS when running with PHP ISAPI
- if ( empty( $_SERVER['REQUEST_URI'] ) || ( php_sapi_name() != 'cgi-fcgi' && preg_match( '/^Microsoft-IIS\//', $_SERVER['SERVER_SOFTWARE'] ) ) ) {
+ if ( empty( $_SERVER['REQUEST_URI'] ) || ( PHP_SAPI != 'cgi-fcgi' && preg_match( '/^Microsoft-IIS\//', $_SERVER['SERVER_SOFTWARE'] ) ) ) {
// IIS Mod-Rewrite
if ( isset( $_SERVER['HTTP_X_ORIGINAL_URL'] ) ) {
$_SERVER['REQUEST_URI'] = $_SERVER['HTTP_X_ORIGINAL_URL'];
}
// IIS Isapi_Rewrite
- else if ( isset( $_SERVER['HTTP_X_REWRITE_URL'] ) ) {
+ elseif ( isset( $_SERVER['HTTP_X_REWRITE_URL'] ) ) {
$_SERVER['REQUEST_URI'] = $_SERVER['HTTP_X_REWRITE_URL'];
} else {
// Use ORIG_PATH_INFO if there is no PATH_INFO
@@ -113,13 +126,19 @@ function wp_check_php_mysql_versions() {
if ( version_compare( $required_php_version, $php_version, '>' ) ) {
wp_load_translations_early();
+
+ $protocol = wp_get_server_protocol();
+ header( sprintf( '%s 500 Internal Server Error', $protocol ), true, 500 );
header( 'Content-Type: text/html; charset=utf-8' );
die( sprintf( __( 'Your server is running PHP version %1$s but WordPress %2$s requires at least %3$s.' ), $php_version, $wp_version, $required_php_version ) );
}
if ( ! extension_loaded( 'mysql' ) && ! extension_loaded( 'mysqli' ) && ! file_exists( WP_CONTENT_DIR . '/db.php' ) ) {
wp_load_translations_early();
- header( 'Content-Type: text/html; charset=utf-8' );
+
+ $protocol = wp_get_server_protocol();
+ header( sprintf( '%s 500 Internal Server Error', $protocol ), true, 500 );
+ header( 'Content-Type: text/html; charset=utf-8' );
die( __( 'Your PHP installation appears to be missing the MySQL extension which is required by WordPress.' ) );
}
}
@@ -134,7 +153,6 @@ function wp_check_php_mysql_versions() {
function wp_favicon_request() {
if ( '/favicon.ico' == $_SERVER['REQUEST_URI'] ) {
header('Content-Type: image/vnd.microsoft.icon');
- header('Content-Length: 0');
exit;
}
}
@@ -156,7 +174,7 @@ function wp_favicon_request() {
* @global int $upgrading the unix timestamp marking when upgrading WordPress began.
*/
function wp_maintenance() {
- if ( !file_exists( ABSPATH . '.maintenance' ) || defined( 'WP_INSTALLING' ) )
+ if ( ! file_exists( ABSPATH . '.maintenance' ) || wp_installing() )
return;
global $upgrading;
@@ -173,9 +191,7 @@ function wp_maintenance() {
wp_load_translations_early();
- $protocol = $_SERVER["SERVER_PROTOCOL"];
- if ( 'HTTP/1.1' != $protocol && 'HTTP/1.0' != $protocol )
- $protocol = 'HTTP/1.0';
+ $protocol = wp_get_server_protocol();
header( "$protocol 503 Service Unavailable", true, 503 );
header( 'Content-Type: text/html; charset=utf-8' );
header( 'Retry-After: 600' );
@@ -217,13 +233,13 @@ function timer_start() {
*
* @since 0.71
*
- * @global float $timestart Seconds from when timer_start() is called.
- * @global float $timeend Seconds from when function is called.
+ * @global float $timestart Seconds from when timer_start() is called.
+ * @global float $timeend Seconds from when function is called.
*
- * @param int $display Whether to echo or return the results. Accepts 0|false for return,
- * 1|true for echo. Default 0|false.
- * @param int $precision The number of digits from the right of the decimal to display.
- * Default 3.
+ * @param int|bool $display Whether to echo or return the results. Accepts 0|false for return,
+ * 1|true for echo. Default 0|false.
+ * @param int $precision The number of digits from the right of the decimal to display.
+ * Default 3.
* @return string The "second.microsecond" finished time calculation. The number is formatted
* for human consumption, both localized and rounded.
*/
@@ -381,18 +397,24 @@ function wp_set_wpdb_vars() {
if ( is_wp_error( $prefix ) ) {
wp_load_translations_early();
- wp_die( __( 'ERROR: $table_prefix in wp-config.php can only contain numbers, letters, and underscores.' ) );
+ wp_die(
+ /* translators: 1: $table_prefix 2: wp-config.php */
+ sprintf( __( 'ERROR: %1$s in %2$s can only contain numbers, letters, and underscores.' ),
+ '$table_prefix',
+ 'wp-config.php'
+ )
+ );
}
}
/**
- * Access/Modify private global variable `$_wp_using_ext_object_cache`.
- *
* Toggle `$_wp_using_ext_object_cache` on and off without directly
* touching global.
*
* @since 3.7.0
*
+ * @global bool $_wp_using_ext_object_cache
+ *
* @param bool $using Whether external object cache is being used.
* @return bool The current 'using' setting.
*/
@@ -427,7 +449,7 @@ function wp_start_object_cache() {
}
$first_init = true;
- } else if ( ! wp_using_ext_object_cache() && file_exists( WP_CONTENT_DIR . '/object-cache.php' ) ) {
+ } elseif ( ! wp_using_ext_object_cache() && file_exists( WP_CONTENT_DIR . '/object-cache.php' ) ) {
/*
* Sometimes advanced-cache.php can load object-cache.php before
* it is loaded here. This breaks the function_exists check above
@@ -451,7 +473,7 @@ function wp_start_object_cache() {
wp_cache_init();
if ( function_exists( 'wp_cache_add_global_groups' ) ) {
- wp_cache_add_global_groups( array( 'users', 'userlogins', 'usermeta', 'user_meta', 'site-transient', 'site-options', 'site-lookup', 'blog-lookup', 'blog-details', 'rss', 'global-posts', 'blog-id-cache' ) );
+ wp_cache_add_global_groups( array( 'users', 'userlogins', 'usermeta', 'user_meta', 'useremail', 'userslugs', 'site-transient', 'site-options', 'site-lookup', 'blog-lookup', 'blog-details', 'rss', 'global-posts', 'blog-id-cache', 'networks' ) );
wp_cache_add_non_persistent_groups( array( 'comment', 'counts', 'plugins' ) );
}
}
@@ -466,12 +488,12 @@ function wp_start_object_cache() {
*/
function wp_not_installed() {
if ( is_multisite() ) {
- if ( ! is_blog_installed() && ! defined( 'WP_INSTALLING' ) ) {
+ if ( ! is_blog_installed() && ! wp_installing() ) {
nocache_headers();
wp_die( __( 'The site you have requested is not installed properly. Please contact the system administrator.' ) );
}
- } elseif ( ! is_blog_installed() && false === strpos( $_SERVER['PHP_SELF'], 'install.php' ) && !defined( 'WP_INSTALLING' ) ) {
+ } elseif ( ! is_blog_installed() && ! wp_installing() ) {
nocache_headers();
require( ABSPATH . WPINC . '/kses.php' );
@@ -537,7 +559,7 @@ function wp_get_active_and_valid_plugins() {
array_unshift( $plugins, ABSPATH . 'my-hacks.php' );
}
- if ( empty( $active_plugins ) || defined( 'WP_INSTALLING' ) )
+ if ( empty( $active_plugins ) || wp_installing() )
return $plugins;
$network_plugins = is_multisite() ? wp_get_active_network_plugins() : false;
@@ -637,6 +659,8 @@ function wp_clone( $object ) {
*
* @since 1.5.1
*
+ * @global WP_Screen $current_screen
+ *
* @return bool True if inside WordPress administration interface, false otherwise.
*/
function is_admin() {
@@ -658,6 +682,8 @@ function is_admin() {
*
* @since 3.1.0
*
+ * @global WP_Screen $current_screen
+ *
* @return bool True if inside WordPress blog administration pages.
*/
function is_blog_admin() {
@@ -679,6 +705,8 @@ function is_blog_admin() {
*
* @since 3.1.0
*
+ * @global WP_Screen $current_screen
+ *
* @return bool True if inside WordPress network administration pages.
*/
function is_network_admin() {
@@ -701,6 +729,8 @@ function is_network_admin() {
*
* @since 3.1.0
*
+ * @global WP_Screen $current_screen
+ *
* @return bool True if inside WordPress user administration pages.
*/
function is_user_admin() {
@@ -734,6 +764,8 @@ function is_multisite() {
*
* @since 3.1.0
*
+ * @global int $blog_id
+ *
* @return int Blog id
*/
function get_current_blog_id() {
@@ -754,7 +786,10 @@ function get_current_blog_id() {
* @since 3.4.0
* @access private
*
- * @global $wp_locale The WordPress date and time locale object.
+ * @global string $text_direction
+ * @global WP_Locale $wp_locale The WordPress date and time locale object.
+ *
+ * @staticvar bool $loaded
*/
function wp_load_translations_early() {
global $text_direction, $wp_locale;
@@ -826,3 +861,34 @@ function wp_load_translations_early() {
$wp_locale = new WP_Locale();
}
+
+/**
+ * Check or set whether WordPress is in "installation" mode.
+ *
+ * If the `WP_INSTALLING` constant is defined during the bootstrap, `wp_installing()` will default to `true`.
+ *
+ * @since 4.4.0
+ *
+ * @staticvar bool $installing
+ *
+ * @param bool $is_installing Optional. True to set WP into Installing mode, false to turn Installing mode off.
+ * Omit this parameter if you only want to fetch the current status.
+ * @return bool True if WP is installing, otherwise false. When a `$is_installing` is passed, the function will
+ * report whether WP was in installing mode prior to the change to `$is_installing`.
+ */
+function wp_installing( $is_installing = null ) {
+ static $installing = null;
+
+ // Support for the `WP_INSTALLING` constant, defined before WP is loaded.
+ if ( is_null( $installing ) ) {
+ $installing = defined( 'WP_INSTALLING' ) && WP_INSTALLING;
+ }
+
+ if ( ! is_null( $is_installing ) ) {
+ $old_installing = $installing;
+ $installing = $is_installing;
+ return (bool) $old_installing;
+ }
+
+ return (bool) $installing;
+}