PhP 7 compatibility ?

Hi, getting some minor warnings about PHP7 compatibility running the checker tool. We’re prepping to move from PHP 5.6 to 7 on some sites which have only small number of plugins due to those being updated recently.

REF
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WP Notification Bar By MyThemeShop

WP Notification Bar is a custom notification and alert bar plugin for WordPress which is perfect for marketing promotions, alerts, increasing click throughs to other pages and so much more.

Version 1.0.6
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Getting these errors:
FILE: /var/www/vhosts/SITE/httpdocs/report/wp-content/plugins/mts-wp-notification-bar/includes/campaignmonitor/csrest_clients.php
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FOUND 0 ERRORS AND 1 WARNING AFFECTING 1 LINE
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40 | WARNING | Use of deprecated PHP4 style class constructor is not supported since PHP 7.
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FILE: /var/www/vhosts/SITE/httpdocs/report/wp-content/plugins/mts-wp-notification-bar/includes/campaignmonitor/csrest_subscribers.php
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FOUND 0 ERRORS AND 1 WARNING AFFECTING 1 LINE
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40 | WARNING | Use of deprecated PHP4 style class constructor is not supported since PHP 7.
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FILE: /var/www/vhosts/SITE/httpdocs/report/wp-content/plugins/mts-wp-notification-bar/includes/campaignmonitor/class/base_classes.php
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FOUND 0 ERRORS AND 2 WARNINGS AFFECTING 2 LINES
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32 | WARNING | Use of deprecated PHP4 style class constructor is not supported since PHP 7.
130 | WARNING | Use of deprecated PHP4 style class constructor is not supported since PHP 7.
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FILE: /var/www/vhosts/SITE/httpdocs/report/wp-content/plugins/mts-wp-notification-bar/includes/campaignmonitor/class/log.php
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FOUND 0 ERRORS AND 1 WARNING AFFECTING 1 LINE
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10 | WARNING | Use of deprecated PHP4 style class constructor is not supported since PHP 7.
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FILE: /var/www/vhosts/SITE/httpdocs/report/wp-content/plugins/mts-wp-notification-bar/includes/campaignmonitor/class/serialisation.php
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FOUND 0 ERRORS AND 4 WARNINGS AFFECTING 4 LINES
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19 | WARNING | Use of deprecated PHP4 style class constructor is not supported since PHP 7.
50 | WARNING | Use of deprecated PHP4 style class constructor is not supported since PHP 7.
62 | WARNING | Use of deprecated PHP4 style class constructor is not supported since PHP 7.
102 | WARNING | Use of deprecated PHP4 style class constructor is not supported since PHP 7.
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FILE: /var/www/vhosts/SITE/httpdocs/report/wp-content/plugins/mts-wp-notification-bar/includes/campaignmonitor/class/services_json.php
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FOUND 0 ERRORS AND 2 WARNINGS AFFECTING 2 LINES
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132 | WARNING | Use of deprecated PHP4 style class constructor is not supported since PHP 7.
775 | WARNING | Use of deprecated PHP4 style class constructor is not supported since PHP 7.
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FILE: /var/www/vhosts/SITE/httpdocs/report/wp-content/plugins/mts-wp-notification-bar/includes/campaignmonitor/class/transport.php
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FOUND 0 ERRORS AND 3 WARNINGS AFFECTING 3 LINES
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41 | WARNING | Use of deprecated PHP4 style class constructor is not supported since PHP 7.
72 | WARNING | Use of deprecated PHP4 style class constructor is not supported since PHP 7.
220 | WARNING | Use of deprecated PHP4 style class constructor is not supported since PHP 7.
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FILE: /var/www/vhosts/SITE/httpdocs/report/wp-content/plugins/mts-wp-notification-bar/includes/madmimi/Spyc.class.php
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FOUND 0 ERRORS AND 2 WARNINGS AFFECTING 2 LINES
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379 | WARNING | Method name “Spyc::__load” is discouraged; PHP has reserved all method names with a double underscore prefix for future use
384 | WARNING | Method name “Spyc::__loadString” is discouraged; PHP has reserved all method names with a double underscore prefix for future use
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