App

Type

Class

Namespace

craft\helpers

Inherits

craft\helpers\App

Since

3.0.0

App helper.

View source (opens new window)

Public Methods

Method	Description
assetManagerConfig()	Returns the assetManager component config for web requests.
backtrace()	Returns the backtrace as a string (omitting the final frame where this method was called).
cacheConfig()	Returns the cache component config.
checkForValidIconv()	Returns whether the server has a valid version of the iconv extension installed.
cliOption()	Returns a CLI command option from argv, or null if it wasn’t passed.
createFormattingLocale()	Creates a locale object that should be used for date and number formatting.
dbConfig()	Returns the db component config.
devMode()	Returns whether Dev Mode is enabled.
editionHandle()	Returns the handle of the given Craft edition.
editionIdByHandle()	Returns the ID of a Craft edition by its handle.
editionName()	Returns the name of the given Craft edition.
editions()	Returns an array of all known Craft editions’ IDs.
env()	Returns an environment variable, falling back to a PHP constant of the same name.
envConfig()	Returns a config array for a given class, based on any environment variables or PHP constants named based on its public properties.
extensionVersion()	Returns a PHP extension version, without the distribution info.
humanizeClass()	Returns a humanized class name.
isEphemeral()	Returns whether Craft is running on an environment with ephemeral storage.
isNitro()	Returns whether Craft is running within Nitro (opens new window) v1.
isPathAllowed()	Returns whether the given path is within PHP’s open_basedir setting.
isStreamLog()	Returns whether Craft is logging to stdout/stderr.
isValidEdition()	Returns whether an edition is valid.
licenseKey()
mailSettings()	Returns the system email settings.
mailerConfig()	Returns the mailer component config.
maxPowerCaptain()	Sets PHP’s memory limit to the maximum specified by the config4:phpMaxMemoryLimit (opens new window) config setting, and gives the script an unlimited amount of time to execute.
mutexConfig()	Returns a file-based mutex driver config.
normalizePhpPaths()	Normalizes a PHP path setting to an array of paths
normalizeValue()	Normalizes an environment variable/constant name/CLI command option.
normalizeVersion()	Removes distribution info from a version string, and returns the highest version number found in the remainder.
parseBooleanEnv()	Checks if a string references an environment variable ($VARIABLE_NAME) and returns the referenced boolean value, or null if a boolean value can’t be determined.
parseEnv()	Checks if a string references an environment variable ($VARIABLE_NAME) and/or an alias (@aliasName), and returns the referenced value.
phpConfigValueAsBool()	Retrieves a bool PHP config setting and normalizes it to an actual bool.
phpConfigValueAsPaths()	Retrieves a file path PHP config setting and normalizes it to an array of paths.
phpConfigValueInBytes()	Retrieves a disk size PHP config setting and normalizes it into bytes.
phpSizeToBytes()	Normalizes a PHP file size into bytes.
phpVersion()	Returns the PHP version, without the distribution info.
projectConfigConfig()	Returns the projectConfig component config.
sessionConfig()	Returns the session component config for web requests.
supportsIdn()	Returns whether the server supports IDNA ASCII strings.
testIniSet()	Tests whether ini_set() works.
userConfig()	Returns the user component config for web requests.
viewConfig()	Returns the view component config.
webRequestConfig()	Returns the request component config for web requests.
webResponseConfig()	Returns the response component config for web requests.

assetManagerConfig()

Since

3.0.18

Returns the assetManager component config for web requests.

View source (opens new window)

Returns

array (opens new window)

backtrace()

Since

3.0.13

Returns the backtrace as a string (omitting the final frame where this method was called).

View source (opens new window)

Arguments

• $limit (integer (opens new window)) – The max number of stack frames to be included (0 means no limit)

Returns

string (opens new window)

cacheConfig()

Since

3.0.18

Returns the cache component config.

View source (opens new window)

Returns

array (opens new window)

checkForValidIconv()

Returns whether the server has a valid version of the iconv extension installed.

View source (opens new window)

Returns

boolean (opens new window)

cliOption()

Since

4.0.0

Returns a CLI command option from argv, or null if it wasn’t passed.

Supported option syntaxes are:

• name=value
• name value
• name (implies true)

name must begin with -- or -. Other values will be rejected.

If the value is numeric, a float or int will be returned.

If the value is true or false, a boolean will be returned.

If the option has no value (either because the following item begins with - or it’s the last item), true will be returned.

View source (opens new window)

Arguments

• $name (string (opens new window)) – The option name, beginning with -- or -
• $unset (boolean (opens new window)) – Whether the option should be removed from argv if found

Returns

string (opens new window), float (opens new window), integer (opens new window), true (opens new window), null (opens new window)

createFormattingLocale()

Since

3.6.0

Creates a locale object that should be used for date and number formatting.

View source (opens new window)

Returns

craft\i18n\Locale

dbConfig()

Since

3.0.18

Returns the db component config.

View source (opens new window)

Arguments

• $dbConfig (craft\config\DbConfig, null (opens new window)) – The database config settings

Returns

array (opens new window)

devMode()

Since

4.0.0

Returns whether Dev Mode is enabled.

View source (opens new window)

Returns

boolean (opens new window)

editionHandle()

Since

3.1.0

Returns the handle of the given Craft edition.

View source (opens new window)

Arguments

• $edition (integer (opens new window)) – An edition’s ID.

Returns

string (opens new window) – The edition’s name.

editionIdByHandle()

Since

3.1.0

Returns the ID of a Craft edition by its handle.

View source (opens new window)

Arguments

• $handle (string (opens new window)) – An edition’s handle

Returns

integer (opens new window) – The edition’s ID

Throws

• yii\base\InvalidArgumentException (opens new window)
  if $handle is invalid

editionName()

Returns the name of the given Craft edition.

View source (opens new window)

Arguments

• $edition (integer (opens new window)) – An edition’s ID.

Returns

string (opens new window) – The edition’s name.

editions()

Returns an array of all known Craft editions’ IDs.

View source (opens new window)

Returns

array (opens new window) – All the known Craft editions’ IDs.

env()

Since

3.4.18

Returns an environment variable, falling back to a PHP constant of the same name.

View source (opens new window)

Arguments

• $name (string (opens new window)) – The environment variable name

Returns

mixed – The environment variable, PHP constant, or null if neither are found

envConfig()

Since

4.0.0

Returns a config array for a given class, based on any environment variables or PHP constants named based on its public properties.

Environment variable/PHP constant names must be capitalized, SNAKE_CASED versions of the object’s property names, possibly with a given prefix.

For example, if an object has a fooBar property, and X/X_ is passed as the prefix, the resulting array may contain a fooBar key set to an X_FOO_BAR environment variable value, if it exists.

View source (opens new window)

Arguments

• $class (string (opens new window)) – The class name
• $envPrefix (string (opens new window), null (opens new window)) – The environment variable name prefix

Returns

array (opens new window)

extensionVersion()

Returns a PHP extension version, without the distribution info.

View source (opens new window)

Arguments

• $name (string (opens new window)) – The extension name

Returns

string (opens new window)

humanizeClass()

Returns a humanized class name.

View source (opens new window)

Arguments

• $class (string (opens new window))

Returns

string (opens new window)

isEphemeral()

Since

3.4.0

Returns whether Craft is running on an environment with ephemeral storage.

View source (opens new window)

Returns

boolean (opens new window)

isNitro()

DEPRECATED

Deprecated in 3.7.9.

Since

3.4.19

Returns whether Craft is running within Nitro (opens new window) v1.

View source (opens new window)

Returns

boolean (opens new window)

isPathAllowed()

Since

3.7.34

Returns whether the given path is within PHP’s open_basedir setting.

View source (opens new window)

Arguments

• $path (string (opens new window))

Returns

boolean (opens new window)

isStreamLog()

Since

4.0.0

Returns whether Craft is logging to stdout/stderr.

View source (opens new window)

Returns

boolean (opens new window)

isValidEdition()

Returns whether an edition is valid.

View source (opens new window)

Arguments

• $edition (mixed) – An edition’s ID (or is it?)

Returns

boolean (opens new window) – Whether $edition is a valid edition ID.

licenseKey()

View source (opens new window)

Returns

string (opens new window), null (opens new window)

mailSettings()

Since

3.1.0

Returns the system email settings.

View source (opens new window)

Returns

craft\models\MailSettings

mailerConfig()

Since

3.0.18

Returns the mailer component config.

View source (opens new window)

Arguments

• $settings (craft\models\MailSettings, null (opens new window)) – The system mail settings

Returns

array (opens new window)

maxPowerCaptain()

Sets PHP’s memory limit to the maximum specified by the config4:phpMaxMemoryLimit (opens new window) config setting, and gives the script an unlimited amount of time to execute.

View source (opens new window)

mutexConfig()

Since

3.0.18

Returns a file-based mutex driver config.

TIP

If you were calling this to override the yii\mutex\FileMutex::$isWindows (opens new window) property, note that overriding the mutex component may no longer be necessary, as Craft no longer uses a mutex when Dev Mode is enabled.

View source (opens new window)

Returns

array (opens new window)

normalizePhpPaths()

Since

3.7.34

Normalizes a PHP path setting to an array of paths

View source (opens new window)

Arguments

• $value (string (opens new window)) – The PHP path setting value

Returns

string (opens new window)[] – The normalized paths

normalizeValue()

Since

4.0.0

Normalizes an environment variable/constant name/CLI command option.

It converts the following:

• 'true' → true
• 'false' → false
• Numeric string → integer or float

View source (opens new window)

Arguments

• $value (mixed)

Returns

mixed

normalizeVersion()

Removes distribution info from a version string, and returns the highest version number found in the remainder.

View source (opens new window)

Arguments

• $version (string (opens new window))

Returns

string (opens new window)

parseBooleanEnv()

Since

3.7.29

Checks if a string references an environment variable ($VARIABLE_NAME) and returns the referenced boolean value, or null if a boolean value can’t be determined.

View source (opens new window)

Arguments

• $value (mixed)

Returns

boolean (opens new window), null (opens new window)

Example

• PHP

$status = App::parseBooleanEnv('$SYSTEM_STATUS') ?? false;

parseEnv()

Since

3.7.29

Checks if a string references an environment variable ($VARIABLE_NAME) and/or an alias (@aliasName), and returns the referenced value.

If the string references an environment variable with a value of true or false, a boolean value will be returned.

View source (opens new window)

Arguments

• $value (string (opens new window), null (opens new window))

Returns

string (opens new window), boolean (opens new window), null (opens new window) – The parsed value, or the original value if it didn’t reference an environment variable and/or alias.

Example

• PHP

$value1 = App::parseEnv('$SMTP_PASSWORD');
$value2 = App::parseEnv('@webroot');

phpConfigValueAsBool()

Retrieves a bool PHP config setting and normalizes it to an actual bool.

View source (opens new window)

Arguments

• $var (string (opens new window)) – The PHP config setting to retrieve.

Returns

boolean (opens new window) – Whether it is set to the php.ini equivalent of true.

phpConfigValueAsPaths()

Since

3.7.34

Retrieves a file path PHP config setting and normalizes it to an array of paths.

View source (opens new window)

Arguments

• $var (string (opens new window)) – The PHP config setting to retrieve

Returns

string (opens new window)[] – The normalized paths

phpConfigValueInBytes()

Since

3.0.38

Retrieves a disk size PHP config setting and normalizes it into bytes.

View source (opens new window)

Arguments

• $var (string (opens new window)) – The PHP config setting to retrieve.

Returns

integer (opens new window), float (opens new window) – The value normalized into bytes.

phpSizeToBytes()

Since

3.6.0

Normalizes a PHP file size into bytes.

View source (opens new window)

Arguments

• $value (string (opens new window)) – The file size expressed in PHP config value notation

Returns

integer (opens new window), float (opens new window) – The value normalized into bytes.

phpVersion()

Returns the PHP version, without the distribution info.

View source (opens new window)

Returns

string (opens new window)

projectConfigConfig()

Returns the projectConfig component config.

View source (opens new window)

sessionConfig()

Since

3.0.18

Returns the session component config for web requests.

View source (opens new window)

Returns

array (opens new window)

supportsIdn()

Since

3.7.9

Returns whether the server supports IDNA ASCII strings.

View source (opens new window)

Returns

boolean (opens new window)

testIniSet()

Since

3.0.40

Tests whether ini_set() works.

View source (opens new window)

Returns

boolean (opens new window)

userConfig()

Since

3.0.18

Returns the user component config for web requests.

View source (opens new window)

Returns

array (opens new window)

viewConfig()

Since

3.0.18

Returns the view component config.

View source (opens new window)

Returns

array (opens new window)

webRequestConfig()

Since

3.0.18

Returns the request component config for web requests.

View source (opens new window)

Returns

array (opens new window)

webResponseConfig()

Since

3.3.0

Returns the response component config for web requests.

View source (opens new window)

Returns

array (opens new window)