How can PHP be used to process and evaluate checkbox selections in forms?

When processing checkbox selections in forms using PHP, you can use the isset() function to check if a checkbox has been selected. If the checkbox is selected, its value will be sent in the form data. You can then use this information to perform specific actions or store the checkbox selections in a database. 

// Check if the checkbox is selected
if(isset($_POST['checkbox_name'])){
    // Process the selected checkbox
    $checkbox_value = $_POST['checkbox_name'];
    
    // Perform actions based on the checkbox selection
    // For example, store the checkbox selection in a database
    // $sql = "INSERT INTO table_name (checkbox_column) VALUES ('$checkbox_value')";
}

Keywords

PHP form processing checkbox selections POST method isset function

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