PHP code example of graze / array-merger

1. Go to this page and download the library: Download graze/array-merger library. Choose the download type require.

2. Extract the ZIP file and open the index.php.

3. Add this code to the index.php.

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

graze / array-merger example snippets


$a = ['key' => 'org value', 'key2' => 'first'];
$b = ['key' => 'new value', 'key2' => null];
array_merge_recursive($a, $b);
// ['key' => ['org value', 'new value'], 'key2' => ['first', null]];


array_replace_recursive($a, $b);
// ['key' => 'new value', 'key2' => null];


RecursiveArrayMerger::lastNonNull($a, $b);
// ['key' => 'new value', 'key2' => 'first']);


$merger = new Graze\ArrayMerger\ArrayMerger();
$merger->merge(
    ['a' => 'first', 'b' => ['c' => 'cake', 'd' => 'fish']],
    ['a' => 'second', 'b' => ['d' => 'money']]
);
// ['a' => 'second', 'b' => ['d' => 'money']]

$merger = new Graze\ArrayMerger\RecursiveArrayMerger();
$merger->merge(
    ['a' => 'first', 'b' => ['c' => 'cake', 'd' => 'fish']],
    ['a' => 'second', 'b' => ['d' => 'money']],
    ['a' => 'third', 'b' => ['e' => 'planets']],
);
// ['a' => 'third', 'b' => ['c' => 'cake', 'd' => 'money', 'e' => 'planets]]


$merger = new Graze\ArrayMerger\RecursiveArrayMerger(new LastNonNullValue());
$merger->merge(
    ['a' => 'first', 'b' => ['c' => 'cake', 'd' => 'fish']],
    ['a' => 'second', 'b' => ['d' => null]]
);

// ['a' => 'second', 'b' => ['c' => 'cake', 'd' => 'fish']]


$merger = new Graze\ArrayMerger\RecursiveArrayMerger('max');
$merger->merge(
    ['a' => 1, 'b' => ['c' => 2, 'd' => 3]],
    ['a' => 4, 'b' => ['d' => 1]]
);
// ['a' => 4, 'b' => ['c' => 2, 'd' => 3]]

// or some strange value choose of your choice
$merger = new Graze\ArrayMerger\RecursiveArrayMerger(
    function ($a, $b) {
        return $a % $b == 0 ? $a : $b;
    }
);
$merger->merge(
    ['a' => 1, 'b' => ['c' => 2, 'd' => 3]],
    ['a' => 4, 'b' => ['d' => 1]]
);
// ['a' => 1, 'b' => ['c' => 2, 'd' => 0]]


RecursiveArrayMerger::mergeUsing(
    new LastValue(),
    ['a' => 'first', 'b' => ['c' => 'cake', 'd' => 'fish']],
    ['a' => 'second', 'b' => ['d' => 'money']]
);
// ['a' => 'second', 'b' => ['c' => 'cake', 'd' => 'money']]


RecursiveArrayMerger::lastNonNull(
    ['a' => 'first', 'b' => ['c' => 'cake', 'd' => 'fish']],
    ['a' => null, 'b' => ['d' => 'money']]
);
// ['a' => 'first', 'b' => ['c' => 'cake', 'd' => 'money']]


$a = ['a' => 'first', 'b' => ['a','c','d']];
$b = ['a' => 'second', 'b' => ['e']];
$merger = new Graze\ArrayMerger\RecursiveArrayMerger(new LastValue());
$merger->merge($a,$b);
// ['a' => 'second', 'b' => ['a','c','d','e']]

$merger = new Graze\ArrayMerger\RecursiveArrayMerger(new LastValue(), RecursiveArrayMerger::FLAG_MERGE_VALUE_ARRAY);
$merger->merge($a,$b);
// ['a' => 'second', 'b' => ['e','c','d']]


$a = ['a' => 'first', 'b' => ['a','c','d']];
$b = ['a' => 'second', 'b' => ['d','e']];
$merger = new Graze\ArrayMerger\RecursiveArrayMerger(new LastValue());
$merger->merge($a,$b);
// ['a' => 'second', 'b' => ['a','c','d','d','e']]

$merger = new Graze\ArrayMerger\RecursiveArrayMerger(new LastValue(), RecursiveArrayMerger::FLAG_UNIQUE_VALUE_ARRAY);
$merger->merge($a,$b);
// ['a' => 'second', 'b' => ['a','c','d','e']]