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Asked: 2026-05-26T06:19:53+00:00

I have the following code: public function ajax() { // Contains results $data =

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I have the following code:

public function ajax()
{
    // Contains results
    $data = array();
    if( isset($this->request->get['keyword']) ) {
        // Parse all keywords to lowercase
        $keywords = strtolower( $this->request->get['keyword'] );
        // Perform search only if we have some keywords
        if( strlen($keywords) >= 3 ) {
            $parts = explode( ' ', $keywords );
            $add = '';
            // Generating search
            foreach( $parts as $part ) {
                $add .= ' AND (LOWER(pd.name) LIKE "%' . $this->db->escape($part) . '%"';
                $add .= ' OR LOWER(p.model) LIKE "%' . $this->db->escape($part) . '%")';
            }
            $add = substr( $add, 4 );
            $sql  = 'SELECT pd.product_id, pd.name, p.model FROM ' . DB_PREFIX . 'product_description AS pd ';
            $sql .= 'LEFT JOIN ' . DB_PREFIX . 'product AS p ON p.product_id = pd.product_id ';
            $sql .= 'LEFT JOIN ' . DB_PREFIX . 'product_to_store AS p2s ON p2s.product_id = pd.product_id ';
            $sql .= 'WHERE ' . $add . ' AND p.status = 1 ';
            $sql .= ' AND p2s.store_id =  ' . (int)$this->config->get('config_store_id'); 
            $sql .= ' ORDER BY LOWER(pd.name) ASC, LOWER(p.model) ASC';
            $sql .= ' LIMIT 15';
            $res = $this->db->query( $sql );
            if( $res ) {
                $data = ( isset($res->rows) ) ? $res->rows : $res->row;

                // For the seo url stuff
                $basehref = 'product/product&keyword=' . $this->request->get['keyword'] . '&product_id=';
                foreach( $data as $key => $values ) {
                    $data[$key] = array(
                        'name' => htmlspecialchars_decode($values['name'] . ' (' . $values['model'] . ')', ENT_QUOTES),
                        'href' => $this->url->link($basehref . $values['product_id'])
                    );
                }
            }
        }
    }
    echo json_encode( $data );
}

So, the array generates a list of products, like for e.g.:

Apple MacBook (Product Model 10)

Apple МакБук (Product Model 10)

The problem is that those two products is actually one and the same product (same product_id) but in different languages, and both have the same URL.

So, what I want to check is, while making the array, the code to check if there is already a product with that product_id in the array, and if there is, not to add another one with the same product_id.

Practically, I don’t want the array to generate two or more products with the same product_id.

EDIT: With Marc’s code and ghbarratt suggestion work like a charm. A million thanks to you guys, and to all of you here.

P.S. How can I add ASC or DESC for ORDER BY pd.language_id:

$sql .= ' ORDER BY pd.language_id = ' . (int)$this->config->get('config_language_id');

$sql .= ' , LOWER(pd.name) ASC, LOWER(p.model) ASC';
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1 Answer

  1. Editorial Team

    The easiest way should be to add another array to track already written ids and check with http://php.net/manual/en/function.in-array.php:

    $basehref = 'product/product&keyword=' . $this->request->get['keyword'] . '&product_id=';
$writtenIds = array();
foreach( $data as $key => $values ) {
    if(in_array($values['product_id'], $writtenIds)) 
    { 
        unset($data[$key]); 
        continue; 
    }
    $data[$key] = array(
        'name' => htmlspecialchars_decode($values['name'] . ' (' . $values['model'] . ')', ENT_QUOTES),
        'href' => $this->url->link($basehref . $values['product_id'])
    );
    $writtenIds[] = $values['product_id'];
}
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