How to create a new column in the Manage Sites table

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What You’ll Learn

• How to add custom columns to the Manage Sites table
• How to populate columns with site data
• How to position columns in the table

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Prerequisites

• Custom Dashboard extension (free)

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Example: Add a cURL Version Column

1

Install Custom Dashboard

Install the Custom Dashboard extension.

2

Open the extension

Navigate to MainWP > Add-ons > Custom Dashboard.

3

Add the PHP code

Go to the PHP tab and add this code:

add_filter( 'mainwp_sitestable_getcolumns', 'mycustom_sites_table_column', 10 );
function mycustom_sites_table_column( $cols ) {
    $cols['child_curl_version'] = 'cURL Version';
    return $cols;
}

add_filter( 'mainwp_sitestable_item', 'mycustom_sitestable_item', 10 );
function mycustom_sitestable_item( $item ) {
    $options = apply_filters( 'mainwp_getwebsiteoptions', array(), $item['id'], 'site_info' );
    $website_info = json_decode( $options, true );
    if ( is_array( $website_info ) && isset( $website_info['child_curl_version'] ) ) {
        $item['child_curl_version'] = $website_info['child_curl_version'];
    } else {
        $item['child_curl_version'] = '';
    }
    return $item;
}

4

Save changes

Click Save Changes.

5

Verify the column

Navigate to MainWP > Sites > Manage Sites to see the new column.

6

Position the column

Drag and drop the column header to your preferred position.

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How It Works

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Code Structure

// Step 1: Register the column
add_filter( 'mainwp_sitestable_getcolumns', 'my_custom_column', 10 );
function my_custom_column( $cols ) {
    $cols['column_key'] = 'Column Header';  // Key must be unique
    return $cols;
}

// Step 2: Populate the column data
add_filter( 'mainwp_sitestable_item', 'my_custom_item', 10 );
function my_custom_item( $item ) {
    $item['column_key'] = 'Value';  // Key matches the column key above
    return $item;
}

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Available Site Data

$options = apply_filters( 'mainwp_getwebsiteoptions', array(), $item['id'], 'site_info' );
$website_info = json_decode( $options, true );

• child_curl_version - cURL version
• child_openssl_version - OpenSSL version used by cURL
• child_version - MainWP Child version
• db_size - Database size
• debug_mode - Whether WordPress debug mode is enabled
• format_datetime - Site timezone, date format, and time format settings
• ip - Server IP address
• memory_limit - PHP memory limit
• mysql_version - MySQL version
• phpversion - PHP version
• site_lang - Site locale
• site_public - Search engine visibility value
• themeactivated - Active theme name
• wpversion - WordPress version

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Other Column Examples

• Create a column that outputs any value or HTML you assign to $item['column_key']

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Self-Check Checklist

• Custom Dashboard extension installed
• PHP code added and saved
• New column appears in Manage Sites table
• Column displays correct data
• Column positioned as desired

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Related Resources

• MainWP User Interface - Table customization overview
• Custom Dashboard Extension - Extension documentation