return values of specific array key

Question

I read some question and I didn't solve my problem I was use array_column() but I am confused of this silly problem

I have an array $product

$product = array(
    0 => array(
        'id' => '123',
        'name' => 'Facebook status robot',
        'description'=> 'Post your wall in your given time',
        'quantity' => '1',
        'unitPrice' => '120',
        'taxable' => 'true'
    ),
    1 => array(
        'id' => '123',
        'name' => 'Facebook status robot',
        'description'=> 'Post your wall in your given time',
        'quantity' => '1',
        'unitPrice' => '120',
        'taxable' => 'true'
    ),
    2 => array(
        'id' => '123',
        'name' => 'Facebook status robot',
        'description'=> 'Post your wall in your given time',
        'quantity' => '1',
        'unitPrice' => '120',
        'taxable' => 'true'
    )
);

Now I want remove two elements unitPrice and description

$customProduct = array(
    0 => array(
        'id' => '123',
        'name' => 'Facebook status robot',
        'quantity' => '1',
        'taxable' => 'true'
    ),
    1 => array(
        'id' => '123',
        'name' => 'Facebook status robot',
        'quantity' => '1',
        'taxable' => 'true'
    ),
    2 => array(
        'id' => '123',
        'name' => 'Facebook status robot',
        'quantity' => '1',
        'taxable' => 'true'
    )
);

Rangad · Accepted Answer · 2015-01-13 13:02:44Z

The PHP command you need is unset(array[key]), you can access individual indexes in your array by iterating over it.

The basic solution would look like the following. Please be aware that this would modify your original array. If that is not what you want assign the product array to another variable first (2nd example below):

foreach($product as &$data) {
    unset($data['unitPrice']);
    unset($data['description']);
}

var_dump($product);

would become:

$customProduct = $product;
foreach($customProduct as &$data) {
    unset($data['unitPrice']);
    unset($data['description']);
}

var_dump($customProduct);
// $product will have its original value.

goldlife · Accepted Answer · 2015-01-13 12:48:03Z

3

foreach($product as $key => $prod) {
    unset($product[$key]['unitPrice']);
    unset($product[$key]['description']);
}

answered Jan 13, 2015 at 12:48

goldlife

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2 Comments

Henrik Over a year ago

You hit the nail on the head.

goldlife Over a year ago

thanks :). it's in my opinion the easiest way to solve imrans problem.

deceze · Accepted Answer · 2015-01-13 13:04:24Z

2

The functional approach, as counterbalance to all the other options:

$customProduct = array_map(function (array $product) {
    return array_diff_key($product, array_flip(['unitPrice', 'description']));
}, $product);

edited Jan 13, 2015 at 13:04

answered Jan 13, 2015 at 12:49

deceze♦

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1 Comment

deceze Over a year ago

BTW, if you gotta use unset: it accepts multiple arguments... unset($data['unitPrice'], $data['description']). Just slightly more compact code.

Pushpendra Singh Thakur · Accepted Answer · 2015-01-13 12:53:16Z

1

$customProduct=array();
foreach($product as $p){
  if(isset($p['description'])){
      unset($p['description']);
  }
  if(isset($p['unitPrice'])){
      unset($p['unitPrice']);
  }
  array_push($customProduct,$p);
}

answered Jan 13, 2015 at 12:53

Pushpendra Singh Thakur

643 bronze badges

2 Comments

deceze Over a year ago

You don't need to and shouldn't check with isset before unset, it's entirely superfluous.

Pushpendra Singh Thakur Over a year ago

@deceze I am thankful to you. Your comment forced me to re-read the PHP manual and I found something more interesting. It says - isset() does not return TRUE for array keys that correspond to a NULL value, while array_key_exists() does. Though it is not relevant here but helped me somewhere else.

Priyank · Accepted Answer · 2015-01-13 12:55:12Z

Try my updated answer

foreach($product as &$products) {
unset($products['unitPrice']);
unset($products['description']);
 }
print_r($product);

output

Array
(
[0] => Array
    (
        [id] => 123
        [name] => Facebook status robot
        [quantity] => 1
        [taxable] => true
    )

[1] => Array
    (
        [id] => 123
        [name] => Facebook status robot
        [quantity] => 1
        [taxable] => true
    )

[2] => Array
    (
        [id] => 123
        [name] => Facebook status robot
        [quantity] => 1
        [taxable] => true
    )

  )

Utkarsh Dixit · Accepted Answer · 2015-01-13 13:00:44Z

Just run a loop .use the code below

<?php
$product = array(
        0 => array(
            'id' => '123',
            'name' => 'Facebook status robot',
            'description'=> 'Post your wall in your given time',
            'quantity' => '1',
            'unitPrice' => '120',
            'taxable' => 'true'
        ),
        1 => array(
            'id' => '123',
            'name' => 'Facebook status robot',
            'description'=> 'Post your wall in your given time',
            'quantity' => '1',
            'unitPrice' => '120',
            'taxable' => 'true'
        ),
        2 => array(
            'id' => '123',
            'name' => 'Facebook status robot',
            'description'=> 'Post your wall in your given time',
            'quantity' => '1',
            'unitPrice' => '120',
            'taxable' => 'true'
        )
    );
$p= count($product);

for($i=0;$i<=$p;$i++){
    unset($product[$i]["description"]);
 unset($product[$i]["unitPrice"]);
}
print_r($product);

Hope this helps you

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