Add data to array() in PHP

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I’m developing a PHP cart, however, when adding items to the array, I’m not getting it, I tried it as follows:

if($this->session->userdata('cart')==true){
    if(count($this->session->userdata('cart'))==0){
        $i = 0;
    } else {
        $i = count($this->session->userdata('cart'))+1;
    } 
    foreach($this->session->userdata('cart') as $value){
        $data[$i] = array(
            'cart_type' => ($this->input->post('stock_unity_push')) ? 'purchase' : 'order',
            'product_id' => $this->input->post('product_id'),
            'stock_purchase' => $this->input->post('stock_purchase'),
            'stock_unity_push' => ($this->input->post('stock_unity_push')) ? $this->input->post('stock_unity_push') : '0',
            'supplier' => $this->input->post('supplier'),
        );
        $i++;
    }
} else {
    $data[] = array(
        'cart_type' => ($this->input->post('stock_unity_push')) ? 'purchase' : 'order',
        'product_id' => $this->input->post('product_id'),
        'stock_purchase' => $this->input->post('stock_purchase'),
        'stock_unity_push' => ($this->input->post('stock_unity_push')) ? $this->input->post('stock_unity_push') : '0',
        'supplier' => $this->input->post('supplier'),
    );
}

The problem is that each time I include a new item in the array, it replaces, and does not add. As I can just add items?

Note: I am using codeigniter to render.

php codeigniter

  • Already tried to mount your array first and then insert it?

  • Not yet... ....

  • 1

    Do this, and use array_push instead of just = (this way you will recreate all the time the array)

  • Printa the amount of $i to make sure he’s changing

2 answers

4

André, from what I understand you want to add elements at the end of the vector and the way you are doing you overwrite the array. To add elements at the end of the vector there is the method push.

2

Instead of recreating the array only use the array_push(), so you will be sure that new elements will be added.

array_push($data, array('cart_type' => ($this->input->post('stock_unity_push')) ? 'purchase' : 'order',
                  'product_id' => $this->input->post('product_id'),
                  'stock_purchase' => $this->input->post('stock_purchase'),
                  'stock_unity_push' => ($this->input->post('stock_unity_push')) ? $this->input->post('stock_unity_push') : '0',
                  'supplier' => $this->input->post('supplier')));

Useful links: array_push

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