- var_dump: documentation ( source)
- array_count_values: documentation ( source)
- array_search: documentation ( source)
<?php
$original = [
['name' => 'Barfoo'],
['name' => 'Foobar'],
['name' => 'Foobar'],
['name' => 'Foo'],
];
$keyMap = [];
var_dump(array_count_values($original));die;
foreach ($original as $key => $item) {
var_dump(array_search());
}