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<?php
/**
* Function that checks the current sub count and updates the loading class if neccesary.
* @param $string $form_id
* @since 2.5
* @return void
*/
function nf_check_sub_limit( $form_id ) {
global $ninja_forms_loading;
if ( ! isset( $ninja_forms_loading ) )
return false;
$sub_limit = $ninja_forms_loading->get_form_setting( 'sub_limit_number' );
if ( !$sub_limit or empty ( $sub_limit ) )
return false;
$args = array(
'form_id' => $form_id
);
$sub_count = ninja_forms_get_sub_count( $args );
if ( $sub_count >= $sub_limit ) {
$ninja_forms_loading->update_form_setting( 'sub_limit_reached', true );
}
}
add_action( 'ninja_forms_display_init', 'nf_check_sub_limit' );
/**
* Function that filters the display variable and returns false if sub limit has been reached.
* @param bool $display
* @param string $form_id
* @since 2.5
* @return string $display
*/
function nf_sub_limit_display_filter( $display, $form_id ) {
global $ninja_forms_loading;
if ( ! isset( $ninja_forms_loading ) )
return $display;
if ( $ninja_forms_loading->get_form_setting( 'sub_limit_reached' ) ) {
$display = 0;
}
return $display;
}
add_filter( 'ninja_forms_display_show_form', 'nf_sub_limit_display_filter', 10, 2 );
/**
* Function that echoes the sub limit reached message if necessary.
* @param string $form_id
* @since 2.5
* @return void
*/
function nf_sub_limit_display_msg( $form_id ) {
global $ninja_forms_loading;
if ( ! isset( $ninja_forms_loading ) )
return false;
if ( $ninja_forms_loading->get_form_setting( 'sub_limit_reached' ) ) {
$msg = $ninja_forms_loading->get_form_setting( 'sub_limit_msg' );
$msg = wpautop( $msg );
$msg = do_shortcode( $msg );
$msg = '<div class="sub-limit-reaced-msg">' . $msg . '</div>';
$msg = apply_filters( 'nf_sub_limit_reached_msg', $msg, $form_id );
echo $msg;
}
}
add_action( 'ninja_forms_display_user_not_logged_in', 'nf_sub_limit_display_msg' );
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