allows hosts to send users directly to
* the page where they can update their site to use HTTPS.
*
* @since 5.7.0
*
* @return string URL for directly updating to HTTPS or empty string.
*/
function wp_get_direct_update_https_url() {
$direct_update_url = '';
if ( false !== getenv( 'WP_DIRECT_UPDATE_HTTPS_URL' ) ) {
$direct_update_url = getenv( 'WP_DIRECT_UPDATE_HTTPS_URL' );
}
/**
* Filters the URL for directly updating the PHP version the site is running on from the host.
*
* @since 5.7.0
*
* @param string $direct_update_url URL for directly updating PHP.
*/
$direct_update_url = apply_filters( 'wp_direct_update_https_url', $direct_update_url );
return $direct_update_url;
}
/**
* Gets the size of a directory.
*
* A helper function that is used primarily to check whether
* a blog has exceeded its allowed upload space.
*
* @since MU (3.0.0)
* @since 5.2.0 $max_execution_time parameter added.
*
* @param string $directory Full path of a directory.
* @param int $max_execution_time Maximum time to run before giving up. In seconds.
* The timeout is global and is measured from the moment WordPress started to load.
* @return int|false|null Size in bytes if a valid directory. False if not. Null if timeout.
*/
function get_dirsize( $directory, $max_execution_time = null ) {
/*
* Exclude individual site directories from the total when checking the main site of a network,
* as they are subdirectories and should not be counted.
*/
if ( is_multisite() && is_main_site() ) {
$size = recurse_dirsize( $directory, $directory . '/sites', $max_execution_time );
} else {
$size = recurse_dirsize( $directory, null, $max_execution_time );
}
return $size;
}
/**
* Gets the size of a directory recursively.
*
* Used by get_dirsize() to get a directory size when it contains other directories.
*
* @since MU (3.0.0)
* @since 4.3.0 The `$exclude` parameter was added.
* @since 5.2.0 The `$max_execution_time` parameter was added.
* @since 5.6.0 The `$directory_cache` parameter was added.
*
* @param string $directory Full path of a directory.
* @param string|string[] $exclude Optional. Full path of a subdirectory to exclude from the total,
* or array of paths. Expected without trailing slash(es).
* Default null.
* @param int $max_execution_time Optional. Maximum time to run before giving up. In seconds.
* The timeout is global and is measured from the moment
* WordPress started to load. Defaults to the value of
* `max_execution_time` PHP setting.
* @param array $directory_cache Optional. Array of cached directory paths.
* Defaults to the value of `dirsize_cache` transient.
* @return int|false|null Size in bytes if a valid directory. False if not. Null if timeout.
*/
function recurse_dirsize( $directory, $exclude = null, $max_execution_time = null, &$directory_cache = null ) {
$directory = untrailingslashit( $directory );
$save_cache = false;
if ( ! isset( $directory_cache ) ) {
$directory_cache = get_transient( 'dirsize_cache' );
$save_cache = true;
}
if ( isset( $directory_cache[ $directory ] ) && is_int( $directory_cache[ $directory ] ) ) {
return $directory_cache[ $directory ];
}
if ( ! file_exists( $directory ) || ! is_dir( $directory ) || ! is_readable( $directory ) ) {
return false;
}
if (
( is_string( $exclude ) && $directory === $exclude ) ||
( is_array( $exclude ) && in_array( $directory, $exclude, true ) )
) {
return false;
}
if ( null === $max_execution_time ) {
// Keep the previous behavior but attempt to prevent fatal errors from timeout if possible.
if ( function_exists( 'ini_get' ) ) {
$max_execution_time = ini_get( 'max_execution_time' );
} else {
// Disable...
$max_execution_time = 0;
}
// Leave 1 second "buffer" for other operations if $max_execution_time has reasonable value.
if ( $max_execution_time > 10 ) {
$max_execution_time -= 1;
}
}
/**
* Filters the amount of storage space used by one directory and all its children, in megabytes.
*
* Return the actual used space to short-circuit the recursive PHP file size calculation
* and use something else, like a CDN API or native operating system tools for better performance.
*
* @since 5.6.0
*
* @param int|false $space_used The amount of used space, in bytes. Default false.
* @param string $directory Full path of a directory.
* @param string|string[]|null $exclude Full path of a subdirectory to exclude from the total,
* or array of paths.
* @param int $max_execution_time Maximum time to run before giving up. In seconds.
* @param array $directory_cache Array of cached directory paths.
*/
$size = apply_filters( 'pre_recurse_dirsize', false, $directory, $exclude, $max_execution_time, $directory_cache );
if ( false === $size ) {
$size = 0;
$handle = opendir( $directory );
if ( $handle ) {
while ( ( $file = readdir( $handle ) ) !== false ) {
$path = $directory . '/' . $file;
if ( '.' !== $file && '..' !== $file ) {
if ( is_file( $path ) ) {
$size += filesize( $path );
} elseif ( is_dir( $path ) ) {
$handlesize = recurse_dirsize( $path, $exclude, $max_execution_time, $directory_cache );
if ( $handlesize > 0 ) {
$size += $handlesize;
}
}
if ( $max_execution_time > 0 &&
( microtime( true ) - WP_START_TIMESTAMP ) > $max_execution_time
) {
// Time exceeded. Give up instead of risking a fatal timeout.
$size = null;
break;
}
}
}
closedir( $handle );
}
}
if ( ! is_array( $directory_cache ) ) {
$directory_cache = array();
}
$directory_cache[ $directory ] = $size;
// Only write the transient on the top level call and not on recursive calls.
if ( $save_cache ) {
$expiration = ( wp_using_ext_object_cache() ) ? 0 : 10 * YEAR_IN_SECONDS;
set_transient( 'dirsize_cache', $directory_cache, $expiration );
}
return $size;
}
/**
* Cleans directory size cache used by recurse_dirsize().
*
* Removes the current directory and all parent directories from the `dirsize_cache` transient.
*
* @since 5.6.0
* @since 5.9.0 Added input validation with a notice for invalid input.
*
* @param string $path Full path of a directory or file.
*/
function clean_dirsize_cache( $path ) {
if ( ! is_string( $path ) || empty( $path ) ) {
wp_trigger_error(
'',
sprintf(
/* translators: 1: Function name, 2: A variable type, like "boolean" or "integer". */
__( '%1$s only accepts a non-empty path string, received %2$s.' ),
'clean_dirsize_cache()',
'' . gettype( $path ) . ''
)
);
return;
}
$directory_cache = get_transient( 'dirsize_cache' );
if ( empty( $directory_cache ) ) {
return;
}
$expiration = ( wp_using_ext_object_cache() ) ? 0 : 10 * YEAR_IN_SECONDS;
if (
! str_contains( $path, '/' ) &&
! str_contains( $path, '\\' )
) {
unset( $directory_cache[ $path ] );
set_transient( 'dirsize_cache', $directory_cache, $expiration );
return;
}
$last_path = null;
$path = untrailingslashit( $path );
unset( $directory_cache[ $path ] );
while (
$last_path !== $path &&
DIRECTORY_SEPARATOR !== $path &&
'.' !== $path &&
'..' !== $path
) {
$last_path = $path;
$path = dirname( $path );
unset( $directory_cache[ $path ] );
}
set_transient( 'dirsize_cache', $directory_cache, $expiration );
}
/**
* Checks compatibility with the current WordPress version.
*
* @since 5.2.0
*
* @global string $wp_version The WordPress version string.
*
* @param string $required Minimum required WordPress version.
* @return bool True if required version is compatible or empty, false if not.
*/
function is_wp_version_compatible( $required ) {
global $wp_version;
// Strip off any -alpha, -RC, -beta, -src suffixes.
list( $version ) = explode( '-', $wp_version );
if ( is_string( $required ) ) {
$trimmed = trim( $required );
if ( substr_count( $trimmed, '.' ) > 1 && str_ends_with( $trimmed, '.0' ) ) {
$required = substr( $trimmed, 0, -2 );
}
}
return empty( $required ) || version_compare( $version, $required, '>=' );
}
/**
* Checks compatibility with the current PHP version.
*
* @since 5.2.0
*
* @param string $required Minimum required PHP version.
* @return bool True if required version is compatible or empty, false if not.
*/
function is_php_version_compatible( $required ) {
return empty( $required ) || version_compare( PHP_VERSION, $required, '>=' );
}
/**
* Checks if two numbers are nearly the same.
*
* This is similar to using `round()` but the precision is more fine-grained.
*
* @since 5.3.0
*
* @param int|float $expected The expected value.
* @param int|float $actual The actual number.
* @param int|float $precision Optional. The allowed variation. Default 1.
* @return bool Whether the numbers match within the specified precision.
*/
function wp_fuzzy_number_match( $expected, $actual, $precision = 1 ) {
return abs( (float) $expected - (float) $actual ) <= $precision;
}
/**
* Creates and returns the markup for an admin notice.
*
* @since 6.4.0
*
* @param string $message The message.
* @param array $args {
* Optional. An array of arguments for the admin notice. Default empty array.
*
* @type string $type Optional. The type of admin notice.
* For example, 'error', 'success', 'warning', 'info'.
* Default empty string.
* @type bool $dismissible Optional. Whether the admin notice is dismissible. Default false.
* @type string $id Optional. The value of the admin notice's ID attribute. Default empty string.
* @type string[] $additional_classes Optional. A string array of class names. Default empty array.
* @type string[] $attributes Optional. Additional attributes for the notice div. Default empty array.
* @type bool $paragraph_wrap Optional. Whether to wrap the message in paragraph tags. Default true.
* }
* @return string The markup for an admin notice.
*/
function wp_get_admin_notice( $message, $args = array() ) {
$defaults = array(
'type' => '',
'dismissible' => false,
'id' => '',
'additional_classes' => array(),
'attributes' => array(),
'paragraph_wrap' => true,
);
$args = wp_parse_args( $args, $defaults );
/**
* Filters the arguments for an admin notice.
*
* @since 6.4.0
*
* @param array $args The arguments for the admin notice.
* @param string $message The message for the admin notice.
*/
$args = apply_filters( 'wp_admin_notice_args', $args, $message );
$id = '';
$classes = 'notice';
$attributes = '';
if ( is_string( $args['id'] ) ) {
$trimmed_id = trim( $args['id'] );
if ( '' !== $trimmed_id ) {
$id = 'id="' . $trimmed_id . '" ';
}
}
if ( is_string( $args['type'] ) ) {
$type = trim( $args['type'] );
if ( str_contains( $type, ' ' ) ) {
_doing_it_wrong(
__FUNCTION__,
sprintf(
/* translators: %s: The "type" key. */
__( 'The %s key must be a string without spaces.' ),
'type'
),
'6.4.0'
);
}
if ( '' !== $type ) {
$classes .= ' notice-' . $type;
}
}
if ( true === $args['dismissible'] ) {
$classes .= ' is-dismissible';
}
if ( is_array( $args['additional_classes'] ) && ! empty( $args['additional_classes'] ) ) {
$classes .= ' ' . implode( ' ', $args['additional_classes'] );
}
if ( is_array( $args['attributes'] ) && ! empty( $args['attributes'] ) ) {
$attributes = '';
foreach ( $args['attributes'] as $attr => $val ) {
if ( is_bool( $val ) ) {
$attributes .= $val ? ' ' . $attr : '';
} elseif ( is_int( $attr ) ) {
$attributes .= ' ' . esc_attr( trim( $val ) );
} elseif ( $val ) {
$attributes .= ' ' . $attr . '="' . esc_attr( trim( $val ) ) . '"';
}
}
}
if ( false !== $args['paragraph_wrap'] ) {
$message = "$message
";
}
$markup = sprintf( '%4$s
', $id, $classes, $attributes, $message );
/**
* Filters the markup for an admin notice.
*
* @since 6.4.0
*
* @param string $markup The HTML markup for the admin notice.
* @param string $message The message for the admin notice.
* @param array $args The arguments for the admin notice.
*/
return apply_filters( 'wp_admin_notice_markup', $markup, $message, $args );
}
/**
* Outputs an admin notice.
*
* @since 6.4.0
*
* @param string $message The message to output.
* @param array $args {
* Optional. An array of arguments for the admin notice. Default empty array.
*
* @type string $type Optional. The type of admin notice.
* For example, 'error', 'success', 'warning', 'info'.
* Default empty string.
* @type bool $dismissible Optional. Whether the admin notice is dismissible. Default false.
* @type string $id Optional. The value of the admin notice's ID attribute. Default empty string.
* @type string[] $additional_classes Optional. A string array of class names. Default empty array.
* @type string[] $attributes Optional. Additional attributes for the notice div. Default empty array.
* @type bool $paragraph_wrap Optional. Whether to wrap the message in paragraph tags. Default true.
* }
*/
function wp_admin_notice( $message, $args = array() ) {
/**
* Fires before an admin notice is output.
*
* @since 6.4.0
*
* @param string $message The message for the admin notice.
* @param array $args The arguments for the admin notice.
*/
do_action( 'wp_admin_notice', $message, $args );
echo wp_kses_post( wp_get_admin_notice( $message, $args ) );
}
s ) );
$this->matched_query = $query;
// Parse the query.
parse_str( $query, $perma_query_vars );
// If we're processing a 404 request, clear the error var since we found something.
if ( '404' === $error ) {
unset( $error, $_GET['error'] );
}
}
// If req_uri is empty or if it is a request for ourself, unset error.
if ( empty( $requested_path ) || $requested_file === $self
|| str_contains( $_SERVER['PHP_SELF'], 'wp-admin/' )
) {
unset( $error, $_GET['error'] );
if ( isset( $perma_query_vars ) && str_contains( $_SERVER['PHP_SELF'], 'wp-admin/' ) ) {
unset( $perma_query_vars );
}
$this->did_permalink = false;
}
}
/**
* Filters the query variables allowed before processing.
*
* Allows (publicly allowed) query vars to be added, removed, or changed prior
* to executing the query. Needed to allow custom rewrite rules using your own arguments
* to work, or any other custom query variables you want to be publicly available.
*
* @since 1.5.0
*
* @param string[] $public_query_vars The array of allowed query variable names.
*/
$this->public_query_vars = apply_filters( 'query_vars', $this->public_query_vars );
foreach ( get_post_types( array(), 'objects' ) as $post_type => $t ) {
if ( is_post_type_viewable( $t ) && $t->query_var ) {
$post_type_query_vars[ $t->query_var ] = $post_type;
}
}
foreach ( $this->public_query_vars as $wpvar ) {
if ( isset( $this->extra_query_vars[ $wpvar ] ) ) {
$this->query_vars[ $wpvar ] = $this->extra_query_vars[ $wpvar ];
} elseif ( isset( $_GET[ $wpvar ] ) && isset( $_POST[ $wpvar ] )
&& $_GET[ $wpvar ] !== $_POST[ $wpvar ]
) {
wp_die(
__( 'A variable mismatch has been detected.' ),
__( 'Sorry, you are not allowed to view this item.' ),
400
);
} elseif ( isset( $_POST[ $wpvar ] ) ) {
$this->query_vars[ $wpvar ] = $_POST[ $wpvar ];
} elseif ( isset( $_GET[ $wpvar ] ) ) {
$this->query_vars[ $wpvar ] = $_GET[ $wpvar ];
} elseif ( isset( $perma_query_vars[ $wpvar ] ) ) {
$this->query_vars[ $wpvar ] = $perma_query_vars[ $wpvar ];
}
if ( ! empty( $this->query_vars[ $wpvar ] ) ) {
if ( ! is_array( $this->query_vars[ $wpvar ] ) ) {
$this->query_vars[ $wpvar ] = (string) $this->query_vars[ $wpvar ];
} else {
foreach ( $this->query_vars[ $wpvar ] as $vkey => $v ) {
if ( is_scalar( $v ) ) {
$this->query_vars[ $wpvar ][ $vkey ] = (string) $v;
}
}
}
if ( isset( $post_type_query_vars[ $wpvar ] ) ) {
$this->query_vars['post_type'] = $post_type_query_vars[ $wpvar ];
$this->query_vars['name'] = $this->query_vars[ $wpvar ];
}
}
}
// Convert urldecoded spaces back into '+'.
foreach ( get_taxonomies( array(), 'objects' ) as $taxonomy => $t ) {
if ( $t->query_var && isset( $this->query_vars[ $t->query_var ] ) ) {
$this->query_vars[ $t->query_var ] = str_replace( ' ', '+', $this->query_vars[ $t->query_var ] );
}
}
// Don't allow non-publicly queryable taxonomies to be queried from the front end.
if ( ! is_admin() ) {
foreach ( get_taxonomies( array( 'publicly_queryable' => false ), 'objects' ) as $taxonomy => $t ) {
/*
* Disallow when set to the 'taxonomy' query var.
* Non-publicly queryable taxonomies cannot register custom query vars. See register_taxonomy().
*/
if ( isset( $this->query_vars['taxonomy'] ) && $taxonomy === $this->query_vars['taxonomy'] ) {
unset( $this->query_vars['taxonomy'], $this->query_vars['term'] );
}
}
}
// Limit publicly queried post_types to those that are 'publicly_queryable'.
if ( isset( $this->query_vars['post_type'] ) ) {
$queryable_post_types = get_post_types( array( 'publicly_queryable' => true ) );
if ( ! is_array( $this->query_vars['post_type'] ) ) {
if ( ! in_array( $this->query_vars['post_type'], $queryable_post_types, true ) ) {
unset( $this->query_vars['post_type'] );
}
} else {
$this->query_vars['post_type'] = array_intersect( $this->query_vars['post_type'], $queryable_post_types );
}
}
// Resolve conflicts between posts with numeric slugs and date archive queries.
$this->query_vars = wp_resolve_numeric_slug_conflicts( $this->query_vars );
foreach ( (array) $this->private_query_vars as $var ) {
if ( isset( $this->extra_query_vars[ $var ] ) ) {
$this->query_vars[ $var ] = $this->extra_query_vars[ $var ];
}
}
if ( isset( $error ) ) {
$this->query_vars['error'] = $error;
}
/**
* Filters the array of parsed query variables.
*
* @since 2.1.0
*
* @param array $query_vars The array of requested query variables.
*/
$this->query_vars = apply_filters( 'request', $this->query_vars );
/**
* Fires once all query variables for the current request have been parsed.
*
* @since 2.1.0
*
* @param WP $wp Current WordPress environment instance (passed by reference).
*/
do_action_ref_array( 'parse_request', array( &$this ) );
return true;
}
/**
* Sends additional HTTP headers for caching, content type, etc.
*
* Sets the Content-Type header. Sets the 'error' status (if passed) and optionally exits.
* If showing a feed, it will also send Last-Modified, ETag, and 304 status if needed.
*
* @since 2.0.0
* @since 4.4.0 `X-Pingback` header is added conditionally for single posts that allow pings.
* @since 6.1.0 Runs after posts have been queried.
*
* @global WP_Query $wp_query WordPress Query object.
*/
public function send_headers() {
global $wp_query;
$headers = array();
$status = null;
$exit_required = false;
$date_format = 'D, d M Y H:i:s';
if ( is_user_logged_in() ) {
$headers = array_merge( $headers, wp_get_nocache_headers() );
} elseif ( ! empty( $_GET['unapproved'] ) && ! empty( $_GET['moderation-hash'] ) ) {
// Unmoderated comments are only visible for 10 minutes via the moderation hash.
$expires = 10 * MINUTE_IN_SECONDS;
$headers['Expires'] = gmdate( $date_format, time() + $expires );
$headers['Cache-Control'] = sprintf(
'max-age=%d, must-revalidate',
$expires
);
}
if ( ! empty( $this->query_vars['error'] ) ) {
$status = (int) $this->query_vars['error'];
if ( 404 === $status ) {
if ( ! is_user_logged_in() ) {
$headers = array_merge( $headers, wp_get_nocache_headers() );
}
$headers['Content-Type'] = get_option( 'html_type' ) . '; charset=' . get_option( 'blog_charset' );
} elseif ( in_array( $status, array( 403, 500, 502, 503 ), true ) ) {
$exit_required = true;
}
} elseif ( empty( $this->query_vars['feed'] ) ) {
$headers['Content-Type'] = get_option( 'html_type' ) . '; charset=' . get_option( 'blog_charset' );
} else {
// Set the correct content type for feeds.
$type = $this->query_vars['feed'];
if ( 'feed' === $this->query_vars['feed'] ) {
$type = get_default_feed();
}
$headers['Content-Type'] = feed_content_type( $type ) . '; charset=' . get_option( 'blog_charset' );
// We're showing a feed, so WP is indeed the only thing that last changed.
if ( ! empty( $this->query_vars['withcomments'] )
|| str_contains( $this->query_vars['feed'], 'comments-' )
|| ( empty( $this->query_vars['withoutcomments'] )
&& ( ! empty( $this->query_vars['p'] )
|| ! empty( $this->query_vars['name'] )
|| ! empty( $this->query_vars['page_id'] )
|| ! empty( $this->query_vars['pagename'] )
|| ! empty( $this->query_vars['attachment'] )
|| ! empty( $this->query_vars['attachment_id'] )
)
)
) {
$wp_last_modified_post = mysql2date( $date_format, get_lastpostmodified( 'GMT' ), false );
$wp_last_modified_comment = mysql2date( $date_format, get_lastcommentmodified( 'GMT' ), false );
if ( strtotime( $wp_last_modified_post ) > strtotime( $wp_last_modified_comment ) ) {
$wp_last_modified = $wp_last_modified_post;
} else {
$wp_last_modified = $wp_last_modified_comment;
}
} else {
$wp_last_modified = mysql2date( $date_format, get_lastpostmodified( 'GMT' ), false );
}
if ( ! $wp_last_modified ) {
$wp_last_modified = gmdate( $date_format );
}
$wp_last_modified .= ' GMT';
$wp_etag = '"' . md5( $wp_last_modified ) . '"';
$headers['Last-Modified'] = $wp_last_modified;
$headers['ETag'] = $wp_etag;
// Support for conditional GET.
if ( isset( $_SERVER['HTTP_IF_NONE_MATCH'] ) ) {
$client_etag = wp_unslash( $_SERVER['HTTP_IF_NONE_MATCH'] );
} else {
$client_etag = '';
}
if ( isset( $_SERVER['HTTP_IF_MODIFIED_SINCE'] ) ) {
$client_last_modified = trim( $_SERVER['HTTP_IF_MODIFIED_SINCE'] );
} else {
$client_last_modified = '';
}
// If string is empty, return 0. If not, attempt to parse into a timestamp.
$client_modified_timestamp = $client_last_modified ? strtotime( $client_last_modified ) : 0;
// Make a timestamp for our most recent modification.
$wp_modified_timestamp = strtotime( $wp_last_modified );
if ( ( $client_last_modified && $client_etag )
? ( ( $client_modified_timestamp >= $wp_modified_timestamp ) && ( $client_etag === $wp_etag ) )
: ( ( $client_modified_timestamp >= $wp_modified_timestamp ) || ( $client_etag === $wp_etag ) )
) {
$status = 304;
$exit_required = true;
}
}
if ( is_singular() ) {
$post = isset( $wp_query->post ) ? $wp_query->post : null;
// Only set X-Pingback for single posts that allow pings.
if ( $post && pings_open( $post ) ) {
$headers['X-Pingback'] = get_bloginfo( 'pingback_url', 'display' );
}
}
/**
* Filters the HTTP headers before they're sent to the browser.
*
* @since 2.8.0
*
* @param string[] $headers Associative array of headers to be sent.
* @param WP $wp Current WordPress environment instance.
*/
$headers = apply_filters( 'wp_headers', $headers, $this );
if ( ! empty( $status ) ) {
status_header( $status );
}
// If Last-Modified is set to false, it should not be sent (no-cache situation).
if ( isset( $headers['Last-Modified'] ) && false === $headers['Last-Modified'] ) {
unset( $headers['Last-Modified'] );
if ( ! headers_sent() ) {
header_remove( 'Last-Modified' );
}
}
if ( ! headers_sent() ) {
foreach ( (array) $headers as $name => $field_value ) {
header( "{$name}: {$field_value}" );
}
}
if ( $exit_required ) {
exit;
}
/**
* Fires once the requested HTTP headers for caching, content type, etc. have been sent.
*
* @since 2.1.0
*
* @param WP $wp Current WordPress environment instance (passed by reference).
*/
do_action_ref_array( 'send_headers', array( &$this ) );
}
/**
* Sets the query string property based off of the query variable property.
*
* The {@see 'query_string'} filter is deprecated, but still works. Plugins should
* use the {@see 'request'} filter instead.
*
* @since 2.0.0
*/
public function build_query_string() {
$this->query_string = '';
foreach ( (array) array_keys( $this->query_vars ) as $wpvar ) {
if ( '' !== $this->query_vars[ $wpvar ] ) {
$this->query_string .= ( strlen( $this->query_string ) < 1 ) ? '' : '&';
if ( ! is_scalar( $this->query_vars[ $wpvar ] ) ) { // Discard non-scalars.
continue;
}
$this->query_string .= $wpvar . '=' . rawurlencode( $this->query_vars[ $wpvar ] );
}
}
if ( has_filter( 'query_string' ) ) { // Don't bother filtering and parsing if no plugins are hooked in.
/**
* Filters the query string before parsing.
*
* @since 1.5.0
* @deprecated 2.1.0 Use {@see 'query_vars'} or {@see 'request'} filters instead.
*
* @param string $query_string The query string to modify.
*/
$this->query_string = apply_filters_deprecated(
'query_string',
array( $this->query_string ),
'2.1.0',
'query_vars, request'
);
parse_str( $this->query_string, $this->query_vars );
}
}
/**
* Set up the WordPress Globals.
*
* The query_vars property will be extracted to the GLOBALS. So care should
* be taken when naming global variables that might interfere with the
* WordPress environment.
*
* @since 2.0.0
*
* @global WP_Query $wp_query WordPress Query object.
* @global string $query_string Query string for the loop.
* @global array $posts The found posts.
* @global WP_Post|null $post The current post, if available.
* @global string $request The SQL statement for the request.
* @global int $more Only set, if single page or post.
* @global int $single If single page or post. Only set, if single page or post.
* @global WP_User $authordata Only set, if author archive.
*/
public function register_globals() {
global $wp_query;
// Extract updated query vars back into global namespace.
foreach ( (array) $wp_query->query_vars as $key => $value ) {
$GLOBALS[ $key ] = $value;
}
$GLOBALS['query_string'] = $this->query_string;
$GLOBALS['posts'] = & $wp_query->posts;
$GLOBALS['post'] = isset( $wp_query->post ) ? $wp_query->post : null;
$GLOBALS['request'] = $wp_query->request;
if ( $wp_query->is_single() || $wp_query->is_page() ) {
$GLOBALS['more'] = 1;
$GLOBALS['single'] = 1;
}
if ( $wp_query->is_author() ) {
$GLOBALS['authordata'] = get_userdata( get_queried_object_id() );
}
}
/**
* Set up the current user.
*
* @since 2.0.0
*/
public function init() {
wp_get_current_user();
}
/**
* Set up the Loop based on the query variables.
*
* @since 2.0.0
*
* @global WP_Query $wp_the_query WordPress Query object.
*/
public function query_posts() {
global $wp_the_query;
$this->build_query_string();
$wp_the_query->query( $this->query_vars );
}
/**
* Set the Headers for 404, if nothing is found for requested URL.
*
* Issue a 404 if a request doesn't match any posts and doesn't match any object
* (e.g. an existing-but-empty category, tag, author) and a 404 was not already issued,
* and if the request was not a search or the homepage.
*
* Otherwise, issue a 200.
*
* This sets headers after posts have been queried. handle_404() really means "handle status".
* By inspecting the result of querying posts, seemingly successful requests can be switched to
* a 404 so that canonical redirection logic can kick in.
*
* @since 2.0.0
*
* @global WP_Query $wp_query WordPress Query object.
*/
public function handle_404() {
global $wp_query;
/**
* Filters whether to short-circuit default header status handling.
*
* Returning a non-false value from the filter will short-circuit the handling
* and return early.
*
* @since 4.5.0
*
* @param bool $preempt Whether to short-circuit default header status handling. Default false.
* @param WP_Query $wp_query WordPress Query object.
*/
if ( false !== apply_filters( 'pre_handle_404', false, $wp_query ) ) {
return;
}
// If we've already issued a 404, bail.
if ( is_404() ) {
return;
}
$set_404 = true;
// Never 404 for the admin, robots, or favicon.
if ( is_admin() || is_robots() || is_favicon() ) {
$set_404 = false;
// If posts were found, check for paged content.
} elseif ( $wp_query->posts ) {
$content_found = true;
if ( is_singular() ) {
$post = isset( $wp_query->post ) ? $wp_query->post : null;
$next = '';
// Check for paged content that exceeds the max number of pages.
if ( $post && ! empty( $this->query_vars['page'] ) ) {
// Check if content is actually intended to be paged.
if ( str_contains( $post->post_content, $next ) ) {
$page = trim( $this->query_vars['page'], '/' );
$content_found = (int) $page <= ( substr_count( $post->post_content, $next ) + 1 );
} else {
$content_found = false;
}
}
}
// The posts page does not support the pagination.
if ( $wp_query->is_posts_page && ! empty( $this->query_vars['page'] ) ) {
$content_found = false;
}
if ( $content_found ) {
$set_404 = false;
}
// We will 404 for paged queries, as no posts were found.
} elseif ( ! is_paged() ) {
$author = get_query_var( 'author' );
// Don't 404 for authors without posts as long as they matched an author on this site.
if ( is_author() && is_numeric( $author ) && $author > 0 && is_user_member_of_blog( $author )
// Don't 404 for these queries if they matched an object.
|| ( is_tag() || is_category() || is_tax() || is_post_type_archive() ) && get_queried_object()
// Don't 404 for these queries either.
|| is_home() || is_search() || is_feed()
) {
$set_404 = false;
}
}
if ( $set_404 ) {
// Guess it's time to 404.
$wp_query->set_404();
status_header( 404 );
nocache_headers();
} else {
status_header( 200 );
}
}
/**
* Sets up all of the variables required by the WordPress environment.
*
* The action {@see 'wp'} has one parameter that references the WP object. It
* allows for accessing the properties and methods to further manipulate the
* object.
*
* @since 2.0.0
*
* @param string|array $query_args Passed to parse_request().
*/
public function main( $query_args = '' ) {
$this->init();
$parsed = $this->parse_request( $query_args );
if ( $parsed ) {
$this->query_posts();
$this->handle_404();
$this->register_globals();
}
$this->send_headers();
/**
* Fires once the WordPress environment has been set up.
*
* @since 2.1.0
*
* @param WP $wp Current WordPress environment instance (passed by reference).
*/
do_action_ref_array( 'wp', array( &$this ) );
}
}