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Ds\Set::filterCreates a new set using a callable to determine which values to include. Description
public Ds\Set Ds\Set::filter
([ callable
$callback
] )Creates a new set using a callable to determine which values to include. Parameters
Return Values
A new set containing all the values for which
either the ExamplesExample #1 Ds\Set::filter example using callback function
<?php The above example will output something similar to: object(Ds\Set)#3 (2) { [0]=> int(2) [1]=> int(4) } Example #2 Ds\Set::filter example without a callback function
<?php The above example will output something similar to: object(Ds\Set)#2 (3) { [0]=> int(1) [1]=> string(1) "a" [2]=> bool(true) } |