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@ 2018-10-16T20:52:27Z

<?php

$basket = [
   [
     'name' => 'apple',
     'qty' => 5,
   ],
   [
     'name' => 'apple',
     'qty' => 4,
   ],
   [
     'name' => 'pear',
     'qty' => 4,
   ]
];

$x = array_reduce($basket,function($total_qty, $e){
    return $total_qty += $e['qty'];
}, 0);

var_dump($x);

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
array_reduce: documentation ( source)

preferences:dark modelive preview

52.91 ms | 402 KiB | 5 Q