How can checkbox and multiselect values be stored in a shared array using PHP POST?

To store checkbox and multiselect values in a shared array using PHP POST, you can create an array in the HTML form with the same name attribute for all checkboxes and multiselect elements. When the form is submitted, PHP will receive an array of selected values for each checkbox and multiselect element. You can then process this array and store the values in a shared array for further manipulation or storage. 

// HTML form
<form method="post">
    <input type="checkbox" name="checkbox_values[]" value="value1">
    <input type="checkbox" name="checkbox_values[]" value="value2">
    <select name="multiselect_values[]" multiple>
        <option value="option1">Option 1</option>
        <option value="option2">Option 2</option>
    </select>
    <button type="submit">Submit</button>
</form>

// PHP code to store checkbox and multiselect values in a shared array
if ($_SERVER["REQUEST_METHOD"] == "POST") {
    $shared_array = [];

    if (isset($_POST['checkbox_values'])) {
        $shared_array['checkbox_values'] = $_POST['checkbox_values'];
    }

    if (isset($_POST['multiselect_values'])) {
        $shared_array['multiselect_values'] = $_POST['multiselect_values'];
    }

    // Further processing or storage of the shared array
    print_r($shared_array);
}

Keywords

checkbox multiselect array POST PHP

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