Trait DelegatesAwareTrait

Provides an object with the ability to perform lookups in other objects.

A "delegate object" acts as a fallback when the current object does not have a requested value.

This is a full implementation of Charcoal\Config\DelegatesAwareInterface.

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Namespace: Charcoal\Config
Located at Charcoal/Config/DelegatesAwareTrait.php

Methods summary
`final public Charcoal\Config\DelegatesAwareTrait`	# `setDelegates( array $delegates )` Assigns a collection of delegare objects. Assigns a collection of delegare objects. Parameters `$delegates` One or more delegate objects to register. Returns `Charcoal\Config\DelegatesAwareTrait`
`final public Charcoal\Config\DelegatesAwareTrait`	# `addDelegate( Charcoal\Config\EntityInterface $delegate )` Appends a delegare object onto the delegate stack. Appends a delegare object onto the delegate stack. Parameters `$delegate` A delegate object to register. Returns `Charcoal\Config\DelegatesAwareTrait`
`final public Charcoal\Config\DelegatesAwareTrait`	# `prependDelegate( Charcoal\Config\EntityInterface $delegate )` Prepends a delegare object onto the delegate stack. Prepends a delegare object onto the delegate stack. Parameters `$delegate` A delegate object to register. Returns `Charcoal\Config\DelegatesAwareTrait`
`final protected boolean`	# `hasInDelegates( string $key )` Determines if a delegate object contains the specified key and if its value is not NULL. Determines if a delegate object contains the specified key and if its value is not NULL. Iterates over each object in the delegate stack and stops on the first match containing the specified key. Parameters `$key` The data key to check. Returns boolean TRUE if $key exists and has a value other than NULL, FALSE otherwise. Used by `Charcoal\Config\AbstractConfig::offsetExists()`
`final protected mixed`	# `getInDelegates( string $key )` Returns the value from the specified key found on the first delegate object. Returns the value from the specified key found on the first delegate object. Iterates over each object in the delegate stack and stops on the first match containing a value that is not NULL. Parameters `$key` The data key to retrieve. Returns mixed Value of the requested $key on success, NULL if the $key is not set. Used by `Charcoal\Config\AbstractConfig::offsetGet()`

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Trait DelegatesAwareTrait

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