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Docs: Improve DocBlocks in wp-admin/includes/file.php per the documentation standards.

Browse Source 
See #49572.

git-svn-id: https://develop.svn.wordpress.org/trunk@48164 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Sergey Biryukov 2020-06-25 09:37:25 +00:00
parent 527c188079
commit b318e97530
1 changed files with 93 additions and 67 deletions
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152
src/wp-admin/includes/file.php
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@ -65,27 +65,28 @@ $wp_file_descriptions = array(
);
/**
* Get the description for standard WordPress theme files and other various standard
* WordPress files
* Gets the description for standard WordPress theme files.
*
* @since 1.5.0
*
* @global array $wp_file_descriptions Theme file descriptions.
* @global array $allowed_files List of allowed files.
* @param string $file Filesystem path or filename
*
* @param string $file Filesystem path or filename.
* @return string Description of file from $wp_file_descriptions or basename of $file if description doesn't exist.
* Appends 'Page Template' to basename of $file if the file is a page template
* Appends 'Page Template' to basename of $file if the file is a page template.
*/
function get_file_description( $file ) {
global $wp_file_descriptions, $allowed_files;
$dirname = pathinfo( $file, PATHINFO_DIRNAME );
$file_path = $allowed_files[ $file ];
if ( isset( $wp_file_descriptions[ basename( $file ) ] ) && '.' === $dirname ) {
return $wp_file_descriptions[ basename( $file ) ];
} elseif ( file_exists( $file_path ) && is_file( $file_path ) ) {
$template_data = implode( '', file( $file_path ) );
if ( preg_match( '|Template Name:(.*)$|mi', $template_data, $name ) ) {
/* translators: %s: Template name. */
return sprintf( __( '%s Page Template' ), _cleanup_header_comment( $name[1] ) );
@ -96,15 +97,16 @@ function get_file_description( $file ) {
}
/**
* Get the absolute filesystem path to the root of the WordPress installation
* Gets the absolute filesystem path to the root of the WordPress installation.
*
* @since 1.5.0
*
* @return string Full filesystem path to the root of the WordPress installation
* @return string Full filesystem path to the root of the WordPress installation.
*/
function get_home_path() {
$home = set_url_scheme( get_option( 'home' ), 'http' );
$siteurl = set_url_scheme( get_option( 'siteurl' ), 'http' );
if ( ! empty( $home ) && 0 !== strcasecmp( $home, $siteurl ) ) {
$wp_path_rel_to_home = str_ireplace( $home, '', $siteurl ); /* $siteurl - $home */
$pos = strripos( str_replace( '\\', '/', $_SERVER['SCRIPT_FILENAME'] ), trailingslashit( $wp_path_rel_to_home ) );
@ -119,6 +121,7 @@ function get_home_path() {
/**
* Returns a listing of all files in the specified folder and all subdirectories up to 100 levels deep.
*
* The depth of the recursiveness can be controlled by the $levels param.
*
* @since 2.6.0
@ -292,7 +295,7 @@ function wp_get_theme_file_editable_extensions( $theme ) {
}
/**
* Print file editor templates (for plugins and themes).
* Prints file editor templates (for plugins and themes).
*
* @since 4.9.0
*/
@ -342,7 +345,7 @@ function wp_print_file_editor_templates() {
}
/**
* Attempt to edit a file for a theme or plugin.
* Attempts to edit a file for a theme or plugin.
*
* When editing a PHP file, loopback requests will be made to the admin and the homepage
* to attempt to see if there is a fatal error introduced. If so, the PHP change will be
@ -500,6 +503,7 @@ function wp_edit_theme_plugin_file( $args ) {
if ( false === $written ) {
return new WP_Error( 'unable_to_write', __( 'Unable to write to file.' ) );
}
wp_opcache_invalidate( $real_file, true );
if ( $is_active && 'php' === $extension ) {
@ -629,17 +633,19 @@ function wp_edit_theme_plugin_file( $args ) {
/**
* Returns a filename of a Temporary unique file.
* Returns a filename of a temporary unique file.
*
* Please note that the calling function must unlink() this itself.
*
* The filename is based off the passed parameter or defaults to the current unix timestamp,
* while the directory can either be passed as well, or by leaving it blank, default to a writable temporary directory.
* while the directory can either be passed as well, or by leaving it blank, default to a writable
* temporary directory.
*
* @since 2.6.0
*
* @param string $filename Optional. Filename to base the Unique file off. Default empty.
* @param string $dir Optional. Directory to store the file in. Default empty.
* @return string a writable filename
* @return string A writable filename.
*/
function wp_tempnam( $filename = '', $dir = '' ) {
if ( empty( $dir ) ) {
@ -683,7 +689,8 @@ function wp_tempnam( $filename = '', $dir = '' ) {
* @since 1.5.0
*
* @param string $file File the user is attempting to edit.
* @param string[] $allowed_files Optional. Array of allowed files to edit. `$file` must match an entry exactly.
* @param string[] $allowed_files Optional. Array of allowed files to edit.
* `$file` must match an entry exactly.
* @return string|void Returns the file name on success, dies on failure.
*/
function validate_file_to_edit( $file, $allowed_files = array() ) {
@ -706,20 +713,25 @@ function validate_file_to_edit( $file, $allowed_files = array() ) {
}
/**
* Handle PHP uploads in WordPress, sanitizing file names, checking extensions for mime type,
* and moving the file to the appropriate directory within the uploads directory.
* Handles PHP uploads in WordPress.
*
* Sanitizes file names, checks extensions for mime type, and moves the file
* to the appropriate directory within the uploads directory.
*
* @access private
* @since 4.0.0
*
* @see wp_handle_upload_error
*
* @param string[] $file Reference to a single element of `$_FILES`. Call the function once for each uploaded file.
* @param string[]|false $overrides An associative array of names => values to override default variables. Default false.
* @param string[] $file Reference to a single element of `$_FILES`.
* Call the function once for each uploaded file.
* @param string[]|false $overrides An associative array of names => values
* to override default variables. Default false.
* @param string $time Time formatted in 'yyyy/mm'.
* @param string $action Expected value for `$_POST['action']`.
* @return string[] On success, returns an associative array of file attributes. On failure, returns
* `$overrides['upload_error_handler']( &$file, $message )` or `array( 'error' => $message )`.
* @return string[] On success, returns an associative array of file attributes.
* On failure, returns `$overrides['upload_error_handler']( &$file, $message )`
* or `array( 'error' => $message )`.
*/
function _wp_handle_upload( &$file, $overrides, $time, $action ) {
// The default error handler.
@ -953,13 +965,14 @@ function _wp_handle_upload( &$file, $overrides, $time, $action ) {
*
* @see _wp_handle_upload()
*
* @param array $file Reference to a single element of `$_FILES`. Call the function once for
* each uploaded file.
* @param array|bool $overrides Optional. An associative array of names=>values to override default
* variables. Default false.
* @param array $file Reference to a single element of `$_FILES`.
* Call the function once for each uploaded file.
* @param array|bool $overrides Optional. An associative array of names => values
* to override default variables. Default false.
* @param string $time Optional. Time formatted in 'yyyy/mm'. Default null.
* @return array On success, returns an associative array of file attributes. On failure, returns
* $overrides['upload_error_handler'](&$file, $message ) or array( 'error'=>$message ).
* @return array On success, returns an associative array of file attributes.
* On failure, returns `$overrides['upload_error_handler']( &$file, $message )`
* or `array( 'error' => $message )`.
*/
function wp_handle_upload( &$file, $overrides = false, $time = null ) {
/*
@ -983,12 +996,14 @@ function wp_handle_upload( &$file, $overrides = false, $time = null ) {
*
* @see _wp_handle_upload()
*
* @param array $file An array similar to that of a PHP `$_FILES` POST array
* @param array|bool $overrides Optional. An associative array of names=>values to override default
* variables. Default false.
* @param array $file Reference to a single element of `$_FILES`.
* Call the function once for each uploaded file.
* @param array|bool $overrides Optional. An associative array of names => values
* to override default variables. Default false.
* @param string $time Optional. Time formatted in 'yyyy/mm'. Default null.
* @return array On success, returns an associative array of file attributes. On failure, returns
* $overrides['upload_error_handler'](&$file, $message ) or array( 'error'=>$message ).
* @return array On success, returns an associative array of file attributes.
* On failure, returns `$overrides['upload_error_handler']( &$file, $message )`
* or `array( 'error' => $message )`.
*/
function wp_handle_sideload( &$file, $overrides = false, $time = null ) {
/*
@ -999,6 +1014,7 @@ function wp_handle_sideload( &$file, $overrides = false, $time = null ) {
if ( isset( $overrides['action'] ) ) {
$action = $overrides['action'];
}
return _wp_handle_upload( $file, $overrides, $time, $action );
}
@ -1011,8 +1027,10 @@ function wp_handle_sideload( &$file, $overrides = false, $time = null ) {
* @since 5.2.0 Signature Verification with SoftFail was added.
*
* @param string $url The URL of the file to download.
* @param int $timeout The timeout for the request to download the file. Default 300 seconds.
* @param bool $signature_verification Whether to perform Signature Verification. Default false.
* @param int $timeout The timeout for the request to download the file.
* Default 300 seconds.
* @param bool $signature_verification Whether to perform Signature Verification.
* Default false.
* @return string|WP_Error Filename on success, WP_Error on failure.
*/
function download_url( $url, $timeout = 300, $signature_verification = false ) {
@ -1359,7 +1377,7 @@ function verify_file_signature( $filename, $signatures, $filename_for_errors = f
}
/**
* Retrieve the list of signing keys trusted by WordPress.
* Retrieves the list of signing keys trusted by WordPress.
*
* @since 5.2.0
*
@ -1741,6 +1759,7 @@ function copy_dir( $from, $to, $skip_list = array() ) {
return new WP_Error( 'copy_failed_copy_dir', __( 'Could not copy file.' ), $to . $filename );
}
}
wp_opcache_invalidate( $to . $filename );
} elseif ( 'd' === $fileinfo['type'] ) {
if ( ! $wp_filesystem->is_dir( $to . $filename ) ) {
@ -1779,11 +1798,15 @@ function copy_dir( $from, $to, $skip_list = array() ) {
*
* @global WP_Filesystem_Base $wp_filesystem WordPress filesystem subclass.
*
* @param array|false $args Optional. Connection args, These are passed directly to
* the `WP_Filesystem_*()` classes. Default false.
* @param string|false $context Optional. Context for get_filesystem_method(). Default false.
* @param bool $allow_relaxed_file_ownership Optional. Whether to allow Group/World writable. Default false.
* @return bool|null True on success, false on failure, null if the filesystem method class file does not exist.
* @param array|false $args Optional. Connection args, These are passed
* directly to the `WP_Filesystem_*()` classes.
* Default false.
* @param string|false $context Optional. Context for get_filesystem_method().
* Default false.
* @param bool $allow_relaxed_file_ownership Optional. Whether to allow Group/World writable.
* Default false.
* @return bool|null True on success, false on failure,
* null if the filesystem method class file does not exist.
*/
function WP_Filesystem( $args = false, $context = false, $allow_relaxed_file_ownership = false ) { // phpcs:ignore WordPress.NamingConventions.ValidFunctionName.FunctionNameInvalid
global $wp_filesystem;
@ -1968,15 +1991,17 @@ function get_filesystem_method( $args = array(), $context = '', $allow_relaxed_f
*
* @param string $form_post The URL to post the form to.
* @param string $type Optional. Chosen type of filesystem. Default empty.
* @param bool|WP_Error $error Optional. Whether the current request has failed to connect,
* or an error object. Default false.
* @param string $context Optional. Full path to the directory that is tested for being
* writable. Default empty.
* @param array $extra_fields Optional. Extra `POST` fields to be checked for inclusion in
* the post. Default null.
* @param bool $allow_relaxed_file_ownership Optional. Whether to allow Group/World writable. Default false.
* @return bool|array True if no filesystem credentials are required, false if they are required but have not been
* provided, array of credentials if they are required and have been provided.
* @param bool|WP_Error $error Optional. Whether the current request has failed
* to connect, or an error object. Default false.
* @param string $context Optional. Full path to the directory that is tested
* for being writable. Default empty.
* @param array $extra_fields Optional. Extra `POST` fields to be checked
* for inclusion in the post. Default null.
* @param bool $allow_relaxed_file_ownership Optional. Whether to allow Group/World writable.
* Default false.
* @return bool|array True if no filesystem credentials are required,
* false if they are required but have not been provided,
* array of credentials if they are required and have been provided.
*/
function request_filesystem_credentials( $form_post, $type = '', $error = false, $context = '', $extra_fields = null, $allow_relaxed_file_ownership = false ) {
global $pagenow;
@ -2250,7 +2275,7 @@ function request_filesystem_credentials( $form_post, $type = '', $error = false,
}
/**
* Print the filesystem credentials modal when needed.
* Prints the filesystem credentials modal when needed.
*
* @since 4.2.0
*/
@ -2278,22 +2303,22 @@ function wp_print_request_filesystem_credentials_modal() {
}
/**
* Attempt to clear the opcode cache for an individual PHP file.
* Attempts to clear the opcode cache for an individual PHP file.
*
* This function can be called safely without having to check the file extension
* or availability of the OPcache extension.
*
* Whether or not invalidation is possible is cached to improve performance.
*
* @since 5.5
* @since 5.5.0
*
* @link https://www.php.net/manual/en/function.opcache-invalidate.php
*
* @param string $filepath Path to the file, including extension, for which the opcode cache is to be cleared.
* @param bool $force Invalidate even if the modification time is not newer than the file in cache. Default `false`.
*
* @return bool `true` if opcache was invalidated for `$filepath`, or there was nothing to invalidate.
* `false` if opcache invalidation is not available, or is disabled via filter.
* @param bool $force Invalidate even if the modification time is not newer than the file in cache.
* Default false.
* @return bool True if opcache was invalidated for `$filepath`, or there was nothing to invalidate.
* False if opcache invalidation is not available, or is disabled via filter.
*/
function wp_opcache_invalidate( $filepath, $force = false ) {
static $can_invalidate = null;
@ -2309,19 +2334,20 @@ function wp_opcache_invalidate( $filepath, $force = false ) {
* If the host has this set, check whether the path in `opcache.restrict_api` matches
* the beginning of the path of the origin file.
*
* `$_SERVER['SCRIPT_FILENAME']` approximates the origin file's path, but
* `realpath()` is necessary because `SCRIPT_FILENAME` can be a relative path
* when run from CLI.
* `$_SERVER['SCRIPT_FILENAME']` approximates the origin file's path, but `realpath()`
* is necessary because `SCRIPT_FILENAME` can be a relative path when run from CLI.
*
* For more details, see:
* - https://www.php.net/manual/en/opcache.configuration.php
* - https://www.php.net/manual/en/reserved.variables.server.php
* - https://core.trac.wordpress.org/ticket/36455
*/
if ( null === $can_invalidate ) {
$can_invalidate = function_exists( 'opcache_invalidate' ) &&
( ! ini_get( 'opcache.restrict_api' ) ||
stripos( realpath( $_SERVER['SCRIPT_FILENAME'] ), ini_get( 'opcache.restrict_api' ) ) === 0 );
if ( null === $can_invalidate
&& function_exists( 'opcache_invalidate' )
&& ( ! ini_get( 'opcache.restrict_api' )
|| stripos( realpath( $_SERVER['SCRIPT_FILENAME'] ), ini_get( 'opcache.restrict_api' ) ) === 0 )
) {
$can_invalidate = true;
}
// If invalidation is not available, return early.
@ -2337,9 +2363,9 @@ function wp_opcache_invalidate( $filepath, $force = false ) {
/**
* Filters whether to invalidate a file from the opcode cache.
*
* @since 5.5
* @since 5.5.0
*
* @param bool $will_invalidate Whether WordPress will invalidate `$filename`. Default `true`.
* @param bool $will_invalidate Whether WordPress will invalidate `$filename`. Default true.
* @param string $filename The PHP filename to invalidate.
*/
if ( apply_filters( 'wp_opcache_invalidate_file', true, $filepath ) ) {