__construct(string|null $name, NodeInterface $parent = null, string $pathSeparator = self::DEFAULT_PATH_SEPARATOR)

Parameters

string|null	$name
NodeInterface	$parent
string	$pathSeparator

Exceptions

InvalidArgumentException

if the name contains a period

static void setPlaceholder(string $placeholder, array $values)

Register possible (dummy) values for a dynamic placeholder value.

Matching configuration values will be processed with a provided value, one by one. After a provided value is successfully processed the configuration value is returned as is, thus preserving the placeholder.

Parameters

string	$placeholder
array	$values

Return Value

void

static void setPlaceholderUniquePrefix(string $prefix)

Sets a common prefix for dynamic placeholder values.

Matching configuration values will be skipped from being processed and are returned as is, thus preserving the placeholder. An exact match provided by {see setPlaceholder()} might take precedence.

Parameters

string

$prefix

Return Value

void

static void resetPlaceholders()

Resets all current placeholders available.

Return Value

void

setAttribute($key, $value)

Parameters

	$key
	$value

getAttribute($key, $default = null)

Parameters

	$key
	$default

hasAttribute($key)

Parameters

$key

getAttributes()

setAttributes(array $attributes)

Parameters

array

$attributes

removeAttribute($key)

Parameters

$key

setInfo(string $info)

Sets an info message.

Parameters

string

$info

string getInfo()

Returns info message.

Return Value

string

The info text

setExample(string|array $example)

Sets the example configuration for this node.

Parameters

string|array

$example

string|array getExample()

Retrieves the example configuration for this node.

Return Value

string|array

The example

addEquivalentValue(mixed $originalValue, mixed $equivalentValue)

Adds an equivalent value.

Parameters

mixed	$originalValue
mixed	$equivalentValue

setRequired(bool $boolean)

Set this node as required.

Parameters

bool

$boolean

Required node

setDeprecated(string|null $message)

Sets this node as deprecated.

You can use %node% and %path% placeholders in your message to display, respectively, the node name and its complete path.

Parameters

string|null

$message

Deprecated message

setAllowOverwrite(bool $allow)

Sets if this node can be overridden.

Parameters

bool

$allow

setNormalizationClosures(array $closures)

Sets the closures used for normalization.

Parameters

array

$closures

An array of Closures used for normalization

setFinalValidationClosures(array $closures)

Sets the closures used for final validation.

Parameters

array

$closures

An array of Closures used for final validation

bool isRequired()

Returns true when the node is required.

Return Value

bool	If the node is required

bool isDeprecated()

Checks if this node is deprecated.

Return Value

bool

string getDeprecationMessage(string $node, string $path)

Returns the deprecated message.

Parameters

string	$node	the configuration node name
string	$path	the path of the node

Return Value

string

string getName()

Returns the name of the node.

Return Value

string

The name of the node

string getPath()

Returns the path of the node.

Return Value

string

The node path

final mixed merge(mixed $leftSide, mixed $rightSide)

Merges two values together.

Parameters

mixed	$leftSide
mixed	$rightSide

Return Value

mixed

The merged value

Exceptions

ForbiddenOverwriteException	if the configuration path cannot be overwritten
InvalidTypeException	if the value type is invalid

final mixed normalize(mixed $value)

Normalizes a value.

Parameters

mixed

$value

The value to normalize

Return Value

mixed

The normalized value

Exceptions

InvalidTypeException

if the value type is invalid

protected $value preNormalize($value)

Normalizes keys between the different configuration formats.

Namely, you mostly have foo_bar in YAML while you have foo-bar in XML. After running this method, all keys are normalized to foo_bar.

If you have a mixed key like foo-bar_moo, it will not be altered. The key will also not be altered if the target key already exists.

Parameters

$value

Return Value

$value

The normalized array value

NodeInterface|null getParent()

Returns parent node for this node.

Return Value

NodeInterface|null

final mixed finalize(mixed $value)

Finalizes a value.

Parameters

mixed

$value

The value to finalize

Return Value

mixed

The finalized value

Exceptions

InvalidTypeException	if the value type is invalid
InvalidConfigurationException	if the value is invalid configuration

protected validateType(mixed $value)

Validates the type of the value.

Parameters

mixed

$value

The value to validate

Exceptions

InvalidTypeException

protected mixed normalizeValue(mixed $value)

Normalizes the value.

Parameters

mixed

$value

The value to normalize

Return Value

mixed

The normalized value

Exceptions

InvalidConfigurationException

protected mixed mergeValues(mixed $leftSide, mixed $rightSide)

Merges values together.

Parameters

mixed	$leftSide
mixed	$rightSide

Return Value

mixed

The merged value

Exceptions

InvalidConfigurationException
RuntimeException

protected mixed finalizeValue(mixed $value)

Finalizes the value of this node.

Parameters

mixed

$value

The value to finalize

Return Value

mixed

The finalized value

Exceptions

UnsetKeyException
InvalidConfigurationException	if the node doesn't have enough children

protected bool allowPlaceholders()

Tests if placeholder values are allowed for this node.

Return Value

bool

protected bool isHandlingPlaceholder()

Tests if a placeholder is being handled currently.

Return Value

bool

protected array getValidPlaceholderTypes()

Gets allowed dynamic types for this node.

Return Value

array

setNormalizeKeys($normalizeKeys)

Parameters

$normalizeKeys

array getChildren()

Retrieves the children of this node.

Return Value

array

The children

setXmlRemappings(array $remappings)

Sets the xml remappings that should be performed.

Parameters

array

$remappings

An array of the form array(array(string, string))

array getXmlRemappings()

Gets the xml remappings that should be performed.

Return Value

array

$remappings an array of the form array(array(string, string))

setAddIfNotSet(bool $boolean)

Sets whether to add default values for this array if it has not been defined in any of the configuration files.

Parameters

bool

$boolean

setAllowFalse(bool $allow)

Sets whether false is allowed as value indicating that the array should be unset.

Parameters

bool

$allow

setAllowNewKeys(bool $allow)

Sets whether new keys can be defined in subsequent configurations.

Parameters

bool

$allow

setPerformDeepMerging(bool $boolean)

Sets if deep merging should occur.

Parameters

bool

$boolean

setIgnoreExtraKeys(bool $boolean, bool $remove = true)

Whether extra keys should just be ignore without an exception.

Parameters

bool	$boolean	To allow extra keys
bool	$remove	To remove extra keys

setName(string $name)

Sets the name of the node.

Parameters

string

$name

The name of the node

bool hasDefaultValue()

Returns true when the node has a default value.

Return Value

bool	If the node has a default value

mixed getDefaultValue()

Returns the default value of the node.

Return Value

mixed

The default value

Exceptions

RuntimeException

if the node has no default value

addChild(NodeInterface $node)

Adds a child node.

Parameters

NodeInterface

$node

Exceptions

InvalidArgumentException	when the child node has no name
InvalidArgumentException	when the child node's name is not unique

protected array remapXml(array $value)

Remaps multiple singular values to a single plural value.

Parameters

array

$value

The source values

Return Value

array

The remapped values