<?php
$data = [
[
'type' => 5884,
'name' => '[АвтоТТН] - Сканированная копия АвтоТТН'
],
[
'type' => 7479,
'name' => '[Заявка] - Печатная форма АПП'
]
];
$type = 7479;
echo array_column($data, null, 'type')[$type]['name'];
PD9waHAKCiRkYXRhID0gWwoJCQlbCgkJCQkndHlwZScgPT4gNTg4NCwKCQkJCSduYW1lJyA9PiAnW9CQ0LLRgtC+0KLQotCdXSAtINCh0LrQsNC90LjRgNC+0LLQsNC90L3QsNGPINC60L7Qv9C40Y8g0JDQstGC0L7QotCi0J0nCgkJCV0sCgkJCVsKCQkJCSd0eXBlJyA9PiA3NDc5LAoJCQkJJ25hbWUnID0+ICdb0JfQsNGP0LLQutCwXSAtINCf0LXRh9Cw0YLQvdCw0Y8g0YTQvtGA0LzQsCDQkNCf0J8nCgkJCV0KXTsKCiR0eXBlID0gNzQ3OTsKZWNobyBhcnJheV9jb2x1bW4oJGRhdGEsIG51bGwsICd0eXBlJylbJHR5cGVdWyduYW1lJ107