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| This article desrcibes the class '''I2CE_MagicDataNode'''.
| | #REDIRECT [[Class: I2CE_MagicDataNode (4.1.7)]] |
| *Implements the interface [http://www.php.net/manual/en/class.recursiveiterator.php RecursiveIterator ]
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| *Implements the interface [http://www.php.net/manual/en/class.seekableiterator.php SeekableIterator ]
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| *Implements the interface [http://www.php.net/manual/en/class.arrayaccess.php ArrayAccess ]
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| *Implements the interface [http://www.php.net/manual/en/class.countable.php Countable ]
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| It is contained in the module [[iHRIS Module List#I2CE|I2CE]] in the package [https://launchpad.net/i2ce I2CE]
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| The class is defined in the file: [http://bazaar.launchpad.net/~intrahealth+informatics/i2ce/4.0.0-release/annotate/head:/lib/I2CE_MagicDataNode.php lib/I2CE_MagicDataNode.php]
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| Configuration class to lookup and save configuration options.
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| ==Constants==
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| ===I2CE_MagicDataNode::TYPE_NOT_POPULATED===
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| Constant type value when this data set hasn't tried to
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| populate from storage yet.
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| Defined as: -2
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| ===I2CE_MagicDataNode::TYPE_INDETERMINATE===
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| Constant type value when this data set hasn't been defined.
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| Defined as: -1
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| ===I2CE_MagicDataNode::TYPE_PARENT===
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| Constant type value when this data set is a parent node.
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| Defined as: 0
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| ===I2CE_MagicDataNode::TYPE_STRING_VALUE===
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| Constant type value when this data set is a string value.
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| Defined as: 1
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| ==Variables==
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| ===$type===
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| The type of this configuration setting. Possible values
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| are -1 = unset, 0 = parent object, 1 = scalar/value.
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| *Type: protected nteger $type
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| ===$name===
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| The name of this configuration setting.
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| *Type: protected ng $name
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| ===$value===
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| The value of this configuration setting. This
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| is only valid when type = 1.
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| *Type: protected ng $value
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| ===$children===
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| All children configuration objects for this configuration group. This is only valid when type = 0
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| *Type: protected y $children
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| ===$parent===
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| The parent of this configuration.
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| *Type: protected [[Class: I2CE_MagicDataNode | I2CE_MagicDataNode]] $parent
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| ===$parentPath===
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| *Type: protected $parentPath
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| ===$parentPathTop===
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| *Type: protected $parentPathTop
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| ===$top===
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| The top level of this configuration.
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| *Type: protected [[Class: I2CE_MagicDataNode | I2CE_MagicDataNode]] $top
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| ===$volatile===
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| . True if the data is volatile. Defaults to false
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| *Type: protected n $volatile
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| ===$attributes===
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| *Type: protected $attributes
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| ==Methods==
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| ===__construct()===
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| Construct a new configuration value or grouping.
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| *Signature: protected function __construct($name,$parent,$check_key)
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| Parameters:
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| * [http://www.php.net/manual/en/language.types.string.php string ] $name<br/>The name of this configuration setting.
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| **Default Value: null
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| * [[Class: I2CE_MagicDataNode | I2CE_MagicDataNode]] $parent<br/>The parent of this configuration setting.
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| **Default Value: null
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| * [http://www.php.net/manual/en/language.types.boolean.php boolean ] $check_key<br/>Defaults to true in which case we check that the key is valid.
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| **Default Value: true
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| ===__get()===
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| Get the value for a child configuration option.
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| *Signature: public function __get($path)
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| *Returns: mixed. Null if the path was
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| invalid. I2CE_MagicDataNode or string on success
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| Parameters:
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| *$path
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| ===__isset()===
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| Check to see if a given key or path exists and the value is set
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| returns mixed. Booolean true or false if the magic data referenced by the given path is set. null on failure (invalid path)
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| *Signature: public function __isset($path)
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| Parameters:
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| * [http://www.php.net/manual/en/language.pseudo-types.php mixed ] $path<br/>{@see traverse()}
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| ===__set()===
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| Set the value for a child configuration option.
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| *Signature: public function __set($path,$value)
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| Parameters:
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| * [http://www.php.net/manual/en/language.pseudo-types.php mixed ] $path<br/>{@see traverse()}
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| * [http://www.php.net/manual/en/language.pseudo-types.php mixed ] $value
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| ===__toString()===
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| *Signature: public function __toString()
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| ===__unset()===
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| Unset a given key in the children array.
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| *Signature: final public function __unset($key)
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| Parameters:
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| * [http://www.php.net/manual/en/language.types.string.php string ] $key
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| ===_getAsArray()===
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| *Signature: protected function _getAsArray($locale)
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| Parameters:
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| * [http://www.php.net/manual/en/language.types.string.php string ] $locale<br/>The locale we wish to get the values for. Defaults to null meaning we are not getting tranlsated values.
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| **Default Value: null
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| ===_getAttribute()===
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| *Signature: protected function _getAttribute($key,$prefix)
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| Parameters:
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| *$key
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| *$prefix
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| ===_getAttributes()===
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| *Signature: protected function _getAttributes($keys_only,$prefix)
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| Parameters:
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| *$keys_only
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| *$prefix
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| ===_hasAttribute()===
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| *Signature: protected function _hasAttribute($key,$prefix)
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| Parameters:
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| *$key
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| *$prefix
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| ===_removeAttribute()===
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| *Signature: protected function _removeAttribute($prefix,$key)
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| Parameters:
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| *$prefix
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| *$key
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| ===_setAttribute()===
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| *Signature: protected function _setAttribute($key,$val,$prefix)
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| Parameters:
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| *$key
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| *$val
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| *$prefix
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| ===checkKey()===
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| Check to make sure a given key is valid. It can be any combination of
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| _-+.0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ
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| *Signature: static public function checkKey($key)
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| *Returns: [http://www.php.net/manual/en/language.types.boolean.php boolean ]
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| Parameters:
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| * [http://www.php.net/manual/en/language.types.string.php string ] $key
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| ===count()===
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| *Signature: public function count()
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| ===current()===
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| *Signature: public function current()
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| ===erase()===
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| Erases the current node and all of its subnodes from the storage mechanism.
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| *Signature: public function erase($locale)
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| *Returns: [http://www.php.net/manual/en/language.types.boolean.php boolean ] true on success
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| Parameters:
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| * [http://www.php.net/manual/en/language.types.string.php string ] $locale<br/>The locale we wish to erase the values for. Defaults to null meaning we erase all values/locales
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| **Default Value: null
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| ===eraseChildren()===
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| Erases all children of the current node and all of its
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| subnodes from the storage mechanism.
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| values for. Defaults to null meaning we erase all
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| values/locales
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| *Signature: public function eraseChildren($locale)
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| *Returns: [http://www.php.net/manual/en/language.types.boolean.php boolean ] true on success
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| Parameters:
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| * [http://www.php.net/manual/en/language.types.string.php string ] $locale<br/>The locale we wish to erase the
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| **Default Value: null
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| ===getAsArray()===
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| Return an array of all the child values for this object.
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| *Signature: public function getAsArray($path,$locale)
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| *Returns: [http://www.php.net/manual/en/language.types.array.php array ]
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| Parameters:
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| * [http://www.php.net/manual/en/language.pseudo-types.php mixed ] $path<br/>{@see traverse()}. Defaults to null which means we get at this node
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| **Default Value: null
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| * [http://www.php.net/manual/en/language.types.string.php string ] $locale<br/>The locale we wish to get the values for. Defaults to null meaning we are not getting tranlsated values.
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| **Default Value: null
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| ===getAttribute()===
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| Gets an attribute
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| *Signature: public function getAttribute($key)
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| *Returns: [http://www.php.net/manual/en/language.pseudo-types.php mixed ] string if the attribute value. null if it does not exist.
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| Parameters:
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| * [http://www.php.net/manual/en/language.types.string.php string ] $key
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| ===getAttributes()===
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| Get the attributes
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| If true returns associative array of attribute=>value pairs
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| *Signature: public function getAttributes($keys_only)
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| *Returns: [http://www.php.net/manual/en/language.types.array.php array ]
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| Parameters:
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| * [http://www.php.net/manual/en/language.types.boolean.php boolean ] $keys_only<br/>Defaults to false. If true returns only the attribute names that are set.
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| **Default Value: false
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| ===getChildren()===
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| *Signature: public function getChildren()
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| ===getKeys()===
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| Return an array of all child keys for this object.
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| *Signature: public function getKeys($path,$attrs)
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| *Returns: [http://www.php.net/manual/en/language.types.array.php array ]
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| Parameters:
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| * [http://www.php.net/manual/en/language.pseudo-types.php mixed ] $path<br/>{@see traverse()}
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| **Default Value: null
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| *$attrs
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| **Default Value: false
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| ===getName()===
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| Return the name of this configuration setting.
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| *Signature: public function getName()
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| *Returns: [http://www.php.net/manual/en/language.types.string.php string ]
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| ===getParent()===
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| Get the parent magic data node
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| *Signature: public function getParent()
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| *Returns: [[Class: I2CE_MagicDataNode | I2CE_MagicDataNode]]
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| ===getPath()===
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| Return the full path to this configuration setting.
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| *Signature: public function getPath($show_top)
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| *Returns: [http://www.php.net/manual/en/language.types.string.php string ]
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| Parameters:
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| * [http://www.php.net/manual/en/language.types.boolean.php boolean ] $show_top<br/>defaults to true if we are to show the parent
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| **Default Value: true
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| ===getSaveValue()===
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| Return the direct scalar value for this node.
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| *Signature: public function getSaveValue()
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| *Returns: [http://www.php.net/manual/en/language.types.string.php string ]
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| ===getTranslation()===
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| *Signature: public function getTranslation($locale,$resolve,$path)
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| Parameters:
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| *$locale
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| *$resolve
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| **Default Value: true
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| *$path
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| **Default Value: null
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| ===getTranslations()===
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| Get the translations for the current node
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| If true returns associative array of locale=>translation pairs
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| *Signature: public function getTranslations($locales_only,$include_default_locale)
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| *Returns: [http://www.php.net/manual/en/language.types.array.php array ]
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| Parameters:
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| * [http://www.php.net/manual/en/language.types.boolean.php boolean ] $locales_only<br/>Defaults to false. If true returns only the loclaes for which a translation exists
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| **Default Value: false
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| * [http://www.php.net/manual/en/language.types.boolean.php boolean ] $include_default_locale<br/>Defaults to true in which case we include the nodes values under the default locale
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| **Default Value: true
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| ===getType()===
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| Return the type of this node.
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| *Signature: public function getType()
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| *Returns: [http://www.php.net/manual/en/language.types.integer.php int ] or false on failure
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| ===getValue()===
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| Return the value of this configuration object if the type == 1 and the current
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| object if type is anything else.
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| *Signature: public function getValue()
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| *Returns: [http://www.php.net/manual/en/language.pseudo-types.php mixed ]
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| ===hasAttribute()===
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| Checks to see if an attribute is present
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| *Signature: public function hasAttribute($key)
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| *Returns: [http://www.php.net/manual/en/language.pseudo-types.php mixed ] boolean. true if key exists, false if it does not, null if an invalid key
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| Parameters:
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| * [http://www.php.net/manual/en/language.types.string.php string ] $key
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| ===hasChildren()===
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| whether the current key has children or not.
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| this is _not_ whether this has a children or not
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| *Signature: public function hasChildren()
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| ===isScalar()===
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| *Signature: private function isScalar()
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| ===is_indeterminate()===
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| Check to see if the value at the specified path is indeterminate
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| @param strign $key. A key or path in the magic data. If null (default) then we are checking on the node itself
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| *Signature: public function is_indeterminate($path)
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| *Returns: boolean. True if it is a scalar value
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| Parameters:
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| *$path
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| **Default Value: null
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| ===is_parent()===
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| Check to see if the value at the specified path is set and is a parent node.
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| @param strign $key. A key or path in the magic data. If null (default) then we are checking on the node itself
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| *Signature: public function is_parent($path)
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| *Returns: boolean. True if it is a scalar value
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| Parameters:
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| *$path
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| **Default Value: null
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| ===is_populated()===
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| Check to see if the value at the specified path is populated
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| @param strign $key. A key or path in the magic data. If null (default) then we are checking on the node itself
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| *Signature: protected function is_populated($path)
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| *Returns: boolean. True if it is a scalar value
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| Parameters:
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| *$path
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| **Default Value: null
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| ===is_root()===
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| *Signature: public function is_root($path)
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| Parameters:
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| *$path
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| **Default Value: null
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| ===is_scalar()===
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| Check to see if the value at the specified path is set and is a scalar.
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| @param strign $key. A key or path in the magic data. If null (default) then we are checking on the node itself
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| *Signature: public function is_scalar($path)
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| *Returns: boolean. True if it is a scalar value
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| Parameters:
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| *$path
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| **Default Value: null
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| ===is_translatable()===
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| Checked to see if the node referenced is translatable
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| *Signature: public function is_translatable($path)
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| *Returns: boolean.
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| Parameters:
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| * [http://www.php.net/manual/en/language.types.string.php string ] $path<br/>Defaults to null, meaning the current node.
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| **Default Value: null
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| ===is_translated()===
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| Checked to see if the node referenced is translated ito the given locale
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| *Signature: public function is_translated($locale,$path)
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| *Returns: boolean.
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| Parameters:
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| * [http://www.php.net/manual/en/language.types.string.php string ] $locale
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| * [http://www.php.net/manual/en/language.types.string.php string ] $path<br/>Defaults to null, meaning the current node.
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| **Default Value: null
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| ===key()===
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| *Signature: public function key()
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| ===krsort()===
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| *Signature: public function krsort($sort_flags,$recurse)
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| Parameters:
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| *$sort_flags
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| **Default Value: SORT_REGULAR
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| *$recurse
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| **Default Value: false
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| ===ksort()===
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| *Signature: public function ksort($sort_flags,$recurse)
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| Parameters:
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| *$sort_flags
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| **Default Value: SORT_REGULAR
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| *$recurse
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| **Default Value: false
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| ===newAttribute()===
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| Make a new attribute this object with the given key. The $nosave flag should only be set when
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| populating a parent node from storage.
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| *Signature: protected function newAttribute($key,$save,$prefix)
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| *Returns: mixed. false on failure, the attribute created on succes
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| Parameters:
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| * scalar $key<br/>the key
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| * [http://www.php.net/manual/en/language.types.boolean.php boolean ] $save<br/>Set to true to not save the parent and attribute
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| *$prefix
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| ===newChild()===
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| Make a new child for this object with the given key. The
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| $nosave flag should only be set when populating a parent
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| node from storage.
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| end of the array. Otherwise we use the given key as a key.
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| after creating this child.
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| *Signature: protected function newChild($key,$save)
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| *Returns: [[Class: I2CE_MagicDataNode | I2CE_MagicDataNode]] The child that was created or
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| null on failure
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| Parameters:
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| * scalar $key<br/>If a boolean and true, we add to the
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| * [http://www.php.net/manual/en/language.types.boolean.php boolean ] $save<br/>Set to true to not save the parent
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| **Default Value: TRUE
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| ===next()===
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| *Signature: public function next()
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| ===offsetExists()===
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| *Signature: public function offsetExists($key)
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| Parameters:
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| *$key
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| ===offsetGet()===
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| *Signature: public function offsetGet($key)
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| Parameters:
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| *$key
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| ===offsetSet()===
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| *Signature: public function offsetSet($key,$val)
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| Parameters:
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| *$key
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| *$val
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| ===offsetUnset()===
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| *Signature: public function offsetUnset($key)
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| Parameters:
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| *$key
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| ===pathDivider()===
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| Return the path divider for this MagicDataNode object
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| *Signature: protected function pathDivider()
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| *Returns: [http://www.php.net/manual/en/language.types.string.php string ]
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| ===pathExists()===
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| Check to see if a given key key or path exists
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| returns mixed. Booolean true or false if the magic data referenced by the given path is set. null on failure (invalid path)
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| *Signature: public function pathExists($path)
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| Parameters:
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| * [http://www.php.net/manual/en/language.pseudo-types.php mixed ] $path<br/>{@see traverse()}
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| ===pop()===
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| Pop a value off the end of a parent/indeterminate node.
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| @param mixed. Scalar value if the node is scalar, an array if it is a parent, otherwise null.
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| *Signature: public function pop()
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| ===populate()===
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| Populate any stored data based on the storage objects set in the top node.
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| *Signature: protected function populate()
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| *Returns: true on success.
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| ===push()===
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| Push a value onto the end of a parent/indeterminate node.
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| *Signature: public function push($val)
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| *Returns: [http://www.php.net/manual/en/language.types.integer.php int ] the number of children the current node has. null on failure
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| Parameters:
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| * [http://www.php.net/manual/en/language.pseudo-types.php mixed ] $val<br/>;
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| ===raiseError()===
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| Raise an error and redirect the user for any critical errors.
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| The default redirect will go to the home page for the site.
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| @param string/mixed $message The error message.
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| @global array
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| *Signature: static public function raiseError($message,$type,$redirect)
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| Parameters:
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| *$message
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| * integer $type<br/>The error type.
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| **Default Value: E_USER_NOTICE
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| * [http://www.php.net/manual/en/language.types.string.php string ] $redirect<br/>The page to redirect to for critical errors.
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| **Default Value: ""
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| ===removeAttribute()===
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| Removes an attribute
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| *Signature: public function removeAttribute($key)
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| *Returns: true if the attribute was removed. false if the attribute did not exist
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| Parameters:
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| * [http://www.php.net/manual/en/language.types.string.php string ] $key
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| ===removeTranslation()===
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| *Signature: public function removeTranslation($locale)
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| Parameters:
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| *$locale
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| ===rewind()===
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| *Signature: public function rewind()
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| ===save()===
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| Call all the storage methods associated with this configuration.
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| of this node as well.
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| *Signature: protected function save($recurse)
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| Parameters:
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| * [http://www.php.net/manual/en/language.types.boolean.php boolean ] $recurse<br/>Defaults to false. If true, and we were able to succesfully save this node, we recrusively save all the populated children
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| **Default Value: false
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| ===setAttribute()===
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| *Signature: public function setAttribute($key,$val)
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| Parameters:
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| *$key
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| *$val
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| ===setIfIsSet()===
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| If the data referenced by that path is set, we set the value of $data to that data
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| magic data referenced by $path. If false then we only set $data if the magic data node refrenced by $path
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| is a leaf node/value
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| *Signature: public function setIfIsSet($data,$path,$as_array)
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| *Returns: boolean. true if the value was set
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| Parameters:
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| * [http://www.php.net/manual/en/language.pseudo-types.php mixed ] &$data<br/>where you wish to store the magic data if it is set
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| * [http://www.php.net/manual/en/language.pseudo-types.php mixed ] $path<br/>{@see traverse()}. Defaults to null which means we get at this node
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| * [http://www.php.net/manual/en/language.types.boolean.php boolean ] $as_array<br/>defaults to false. If true, will set $data to be the result of calling getAsArray() on the
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| **Default Value: false
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| ===setTranslatable()===
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| Sets the translatable attribute for the referenced node
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| @param boolean $transtable. Defaults to true
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| *Signature: public function setTranslatable($path,$translatable)
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| *Returns: true on success, false on failure
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| Parameters:
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| * [http://www.php.net/manual/en/language.types.string.php string ] $path<br/>Defaults to null, meaning the current node
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| **Default Value: null
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| *$translatable
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| **Default Value: true
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| ===setTranslation()===
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| *Signature: public function setTranslation($locale,$translation,$path)
| |
| Parameters:
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| *$locale
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| *$translation
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| *$path
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| **Default Value: null
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| ===setType()===
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| Set the type for this object. The nosave flag should be set to true if the calling function
| |
| is going to save so that it doesn't get saved twice.
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| *Signature: protected function setType($type)
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| *Returns: [http://www.php.net/manual/en/language.types.boolean.php boolean ] true on success
| |
| Parameters:
| |
| * integer $type
| |
| ===setValue()===
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| Set the scalar value for this object.
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| *Signature: public function setValue($value,$locale,$set_default_locale)
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| *Returns: true on sucess
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| Parameters:
| |
| * [http://www.php.net/manual/en/language.pseudo-types.php mixed ] $value
| |
| * [http://www.php.net/manual/en/language.types.string.php string ] $locale<br/>The locale we wish to set the value for. Defaults to null meaning we are not setting tranlsated values.
| |
| **Default Value: null
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| * [http://www.php.net/manual/en/language.types.boolean.php boolean ] $set_default_locale<br/>Defautls to true. When setting values, make sure the default locale is set.
| |
| **Default Value: true
| |
| ===set_parent()===
| |
| Set the magic data node at the specified path to be a parent node if is indeterminate
| |
| @param strign $key. A key or path in the magic data. If null (default) then we are checking on the node itself
| |
| *Signature: public function set_parent($path)
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| *Returns: boolean. True on success
| |
| Parameters:
| |
| *$path
| |
| **Default Value: null
| |
| ===set_scalar()===
| |
| Set the magic data node at the specified path to be scalar if is indeterminate
| |
| @param strign $key. A key or path in the magic data. If null (default) then we are checking on the node itself
| |
| *Signature: public function set_scalar($path)
| |
| *Returns: boolean. True on success
| |
| Parameters:
| |
| *$path
| |
| **Default Value: null
| |
| ===traverse()===
| |
| Traverse magic data by a given path
| |
| | |
| e.g. array('some','magic','data','path).
| |
| There are three special path components, '', '.' and '..' The first two mean don't go anywhere, while the third
| |
| means go to the parent node.
| |
| return null if the path is not already set.
| |
| *Signature: public function traverse($path,$create,$return_value)
| |
| *Returns: mixed. String, if the path is valid and refers to a leaf node.
| |
| I2CE_MagicDataNode if the path is valid but not a leaf node, or null on ffailure (invalid path/path not set)
| |
| Parameters:
| |
| * [http://www.php.net/manual/en/language.types.array.php array ] $path<br/>A string which is a path e.g. '/some/magic/data/path' or an array of path components
| |
| * [http://www.php.net/manual/en/language.types.boolean.php boolean ] $create<br/>Defaults to false. If true, it will create the magic data path as it goes. If false, it will
| |
| **Default Value: false
| |
| * [http://www.php.net/manual/en/language.types.boolean.php boolean ] $return_value<br/>Defaults to true. If true returns the value of of a leaf node rather than the node itself
| |
| **Default Value: true
| |
| ===uksort()===
| |
| *Signature: public function uksort($cmp_function,$recurse)
| |
| Parameters:
| |
| *$cmp_function
| |
| *$recurse
| |
| **Default Value: false
| |
| ===unpopulate()===
| |
| *Signature: public function unpopulate($deep)
| |
| Parameters:
| |
| *$deep
| |
| **Default Value: true
| |
| ===valid()===
| |
| *Signature: public function valid()
| |
| ===volatile()===
| |
| Check/set whether this magic data is volatile or not
| |
| | |
| this node (does not apply to subnodes). If not set we
| |
| return the volatility state of this node. Defaults to not
| |
| set (null). Recursively sets all sub-nodes to volatile.
| |
| *Signature: public function volatile($volatile)
| |
| *Returns: [http://www.php.net/manual/en/language.pseudo-types.php mixed ]
| |
| Parameters:
| |
| * [http://www.php.net/manual/en/language.types.boolean.php boolean ] $volatile<br/>If set, we set the volatility of
| |
| **Default Value: null
| |
| | |
| | |
| [[Category:Class Documentation]]
| |
