What are the advantages and disadvantages of storing checkbox values with or without spaces in PHP?

When storing checkbox values in PHP, it is common to use spaces to separate multiple values in a single string. This can make it easier to retrieve and manipulate the values later on. However, using spaces can also lead to potential issues with parsing and processing the values, especially if the values themselves contain spaces. To avoid these issues, it is recommended to use a delimiter that is unlikely to appear in the values themselves, such as a comma or pipe symbol. 

// Storing checkbox values with a comma delimiter
$checkbox_values = implode(',', $_POST['checkbox_values']);

// Retrieving checkbox values
$checkbox_array = explode(',', $checkbox_values);

Keywords

checkbox values spaces storing advantages disadvantages

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