What is the best practice for iterating through and processing multiple checkbox values in PHP?

When dealing with multiple checkbox values in PHP, it is best to use an array to store the selected values. This allows for easy iteration and processing of the selected checkboxes. By using the name attribute of the checkboxes as an array (e.g., name="checkbox[]"), PHP will automatically create an array with all the selected values. 

// Assuming HTML form with checkboxes named "checkbox[]"
if(isset($_POST['checkbox'])) {
    foreach($_POST['checkbox'] as $value) {
        // Process each selected checkbox value here
        echo $value . "<br>";
    }
}

Keywords

foreach $_POST isset array checkbox

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