arrayutils
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mapAssoc()

The mapAssoc() method all similar to map(), but this applies with additional index check
Example.php
<?php use kim\present\utils\arrays\ArrayUtils;
​
$arrayUtils = ArrayUtils::from(range(1,5));
​
//Squared all elements
$arrayUtils->mapAssoc(function($num){ return ["$num * $num", $num * $num]; });
// expected output: [
// "1 * 1" => 1,
// "2 * 2" => 4,
// "3 * 3" => 9,
// "4 * 4" => 16,
// "5 * 5" => 25
//]

Syntax

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

Parameter

  • $callback
    A function that produces an element of the new Array, 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 new array with each element being the result of the callback function.

Prefixing

$arrayUtils->mapAssocAs(callable $callback) : array;
ArrayUtils::mapAssocFrom(iterable $from, callable $callback) : ArrayUtils;
ArrayUtils::mapAssocFromAs(iterable $from, callable $callback) : array;

References

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map()
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mapKey()
Last modified 2yr ago