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Package gestalt
Short Description Provides classes that implement basic patterns involving collections. Key components are a class implementing a simplified filter-chain pattern, `SimpleFilterChain`, and a simple array class, `ArrayObject`.
License ISC
Informations about the package gestalt
Gestalt
Provides classes that implement basic patterns involving collections. Key components are a class implementing a simplified filter-chain pattern, SimpleFilterChain
, and a simple array class, ArrayObject
.
SimpleFilterChain
A simple unidirectional filter chain.
->execute(mixed &$request, [mixed $valueToBreak = false])
Invokes each filter in turn; the specified 'request' will be passed to each filter.
Iteration will stop if a filter returns the value of $valueToBreak
. If iteration is forcibly stopped then the method will return the value of $valueToBreak
. If, however, iteration is allowed to continue until completion then the method will return null
.
ArrayObject
A simple array class. Instances are mutable (i.e. methods change the state of the object).
->sortByKey([array $order = array()])
When no arguments are passed, behaves the same as ksort().
Otherwise, the elements can be put in the order specified in $order
; this applies to arrays with numeric or non-numeric keys.
->each(\Closure $callback)
Executes the callback for each of the elements. The callback is passed the key and the value of the current element, in that order.
each()
will stop iterating if the callback returns exactly false
.
->reindexByColumn(string $columnKey)
Useful when working with collections of records (arrays/objects) of the same type. Could be used to reindex an array of records selected from a database, by the values from a particular column, for example.