<?php

$array = [
	[
		'name' => 'Blackberry Kush',
      	'qty' => '1'
	],
	[
		'name' => 'Granddaddy Purple',
      	'qty' => '1'
	],
	[
		'name' => '20% THC',
      	'qty' => '1'
	],
	[
		'name' => 'Pomegranate Blue-Rasp',
      	'qty' => '1'
	],
	[
		'name' => 'Blueberry Vanilla',
      	'qty' => '2'
	],
	[
		'name' => 'Banana Strawberry',
      	'qty' => '3'
	]
];

$formatted = array_map( function($obj) {
	return "{$obj['name']} {$obj['qty']}"; 
}, $array );

echo implode( ', ', $formatted );