<?php

$test = [
	['langVar' => 'text1', 'translation' => 'translation1'],
	['langVar' => 'text2', 'translation' => 'translation2'],
	['langVar' => 'text3', 'translation' => 'translation3'],
	['langVar' => 'text4', 'translation' => 'translation4'],
	['langVar' => 'text5', 'translation' => 'translation5'],
	];

$EN = [];
foreach ($test as $row) {
    $EN[$row['langVar']] = $row['translation'];
}

print_r($EN);