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kristoferdoman/sumObjectPropertyNestedInArray.php

Last active August 26, 2016 18:39
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Php: Sum Property of an Object Collection in a Nested Object Array
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sumObjectPropertyNestedInArray.php
<?php
$object = new Object();
$count = array_sum(array_map(function($x) {
$count = array_sum(array_map(function($y) { return count($y->propertyOfAnotherObject); }, $x->anotherObjectInsideObject));
return $count;
}, $object));
?>
@kristoferdoman
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Example: You can use this code to get the sum of all value properties, in every list object, inside every object "object".

$objects = array();

class Object {
    public list = array();
}

class List {
    public value = null;
}

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