Enables SVG and SVGZ file uploads

/**
 * Snippet Name:     Enables SVG and SVGZ file uploads
 * Snippet Author:   coding-bunny.com
 * Description:      Enables SVG and SVGZ file uploads for admins to ensure safer file handling.
 */

function cb_allow_svg_uploads( $file_types ) {
    // Only allow admins to upload SVG files for security
    if ( current_user_can( 'administrator' ) ) {
        // Define allowed SVG file types
        $new_filetypes = array(
            'svg'  => 'image/svg+xml',
            'svgz' => 'image/svg+xml',
        );

        // Merge only new file types that are not already in the allowed list
        $file_types = array_merge( $file_types, array_diff_key( $new_filetypes, $file_types ) );
    }

    return $file_types;
}

// Hook into 'upload_mimes' to add new file types
add_action( 'upload_mimes', 'cb_allow_svg_uploads' );