file1.php

class GWSubmissionLimit extends GW_Submission_Limit { }
# Configuration
# Basic Usage
$gwsl1 = new GW_Submission_Limit( array(
    'form_id' => 61,
    'time_period' => '2678400',
    'limit_by' => 'role',
    'limit_message' => 'Ah nuts. You seem to have reached your lead contact limit for this month. To contact more, go to the <a href="/membership-account/membership-levels/">Membership Levels page</a> to upgrade.',
    // when "limit_by" is set to "role", "limit" must be provided as array with roles and their corresponding limits
    'limit' => array(
        'administrator' => 50,
        'super pro' => 18,
        'agency' => 12,
        'consultant' => 8,
        'freelancer' => 3,
        'forever free' => 12
)
) );

echo $gwsl1->get_entry_count( 61 );
echo '<br>';
echo $gwsl1->get_limit();
echo '<br>';
echo $gwsl1->get_limit() - $gwsl1->get_entry_count( 61 );