arrayutils
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filter()

The filter() method creates a new array with all elements that pass the function.
Example.php
<?php use kim\present\utils\arrays\ArrayUtils;
​
$arrayUtils = ArrayUtils::from(range(1, 10));
​
//Filtering values ​​between 3 and 6
$arrayUtils->filter(function($num){ return $num < 3 || $num > 6; });
// expected output: [1, 2, 7, 8, 9, 10]

Syntax

$arrayUtils->filter(callable $callback) : ArrayUtils;

Parameter

  • $callback
    A function to test each element of the array. Return a value that coerces to TRUE to keep the element, or to FALSE otherwise. Function taking three arguments:
    • $value The current element being processed in the array.
    • $key The index of the current element being processed in the array.
    • $array The array every was called upon.

Return value

  • A filtered array.

Prefixing

$arrayUtils->filterAs(callable $callback) : array;
ArrayUtils::filterFrom(iterable $from, callable $callback) : ArrayUtils;
ArrayUtils::filterFromAs(iterable $from, callable $callback) : array;

References

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Last modified 2yr ago