What is the purpose of the get_meta function in the PHP code provided?

The purpose of the get_meta function in the PHP code provided is to retrieve the value of a specific meta key from an array of meta data. The function takes in the meta data array and the desired meta key as parameters, and returns the corresponding value if it exists. 

function get_meta($meta_data, $meta_key) {
    if (isset($meta_data[$meta_key])) {
        return $meta_data[$meta_key];
    } else {
        return null;
    }
}

// Example usage
$meta_data = array(
    'name' => 'John Doe',
    'age' => 30,
    'email' => 'john.doe@example.com'
);

$meta_key = 'age';
$meta_value = get_meta($meta_data, $meta_key);

echo $meta_value; // Output: 30

Keywords

get_meta PHP function metadata code

Related Questions