PHP 7 Compatibility

Have you tested your plugin on PHP 7? when I ran a compatibility check, I get the following messages below.

FILE: /home/wrestlec/public_html/wp-content/plugins/pricing-table-by-supsystic/classes/validator.php
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FOUND 2 ERRORS AFFECTING 1 LINE
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138 | ERROR | Function mysql_escape_string() is deprecated since PHP 5.3 and removed since PHP 7.0; use mysqli_real_escape_string instead
138 | ERROR | Extension ‘mysql_’ is deprecated since PHP 5.5 and removed since PHP 7.0 – use mysqli instead.
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FILE: /home/wrestlec/public_html/wp-content/plugins/pricing-table-by-supsystic/functions.php
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FOUND 2 ERRORS AFFECTING 1 LINE
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246 | ERROR | Function ereg_replace() is deprecated since PHP 5.3 and removed since PHP 7.0; use preg_replace instead
246 | ERROR | Extension ‘ereg’ is deprecated since PHP 5.3 and removed since PHP 7.0 – use pcre instead.
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FILE: /home/wrestlec/public_html/wp-content/plugins/pricing-table-by-supsystic/modules/tables/controller.php
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FOUND 2 ERRORS AFFECTING 2 LINES
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154 | ERROR | Extension ‘mysql_’ is deprecated since PHP 5.5 and removed since PHP 7.0 – use mysqli instead.
188 | ERROR | Extension ‘mysql_’ is deprecated since PHP 5.5 and removed since PHP 7.0 – use mysqli instead.
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FILE: /home/wrestlec/public_html/wp-content/plugins/pricing-table-by-supsystic/modules/options/views/options.php
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FOUND 1 ERROR AND 2 WARNINGS AFFECTING 2 LINES
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66 | ERROR | Extension ‘mysql_’ is deprecated since PHP 5.5 and removed since PHP 7.0 – use mysqli instead.
67 | WARNING | INI directive ‘safe_mode’ is deprecated since PHP 5.3 and removed since PHP 5.4.
67 | WARNING | INI directive ‘safe_mode’ is deprecated since PHP 5.3 and removed since PHP 5.4.
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FILE: /home/wrestlec/public_html/wp-content/plugins/pricing-table-by-supsystic/modules/supsystic_promo/views/supsystic_promo.php
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FOUND 1 ERROR AND 2 WARNINGS AFFECTING 2 LINES
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44 | ERROR | Extension ‘mysql_’ is deprecated since PHP 5.5 and removed since PHP 7.0 – use mysqli instead.
45 | WARNING | INI directive ‘safe_mode’ is deprecated since PHP 5.3 and removed since PHP 5.4.
45 | WARNING | INI directive ‘safe_mode’ is deprecated since PHP 5.3 and removed since PHP 5.4.
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