Extension 'mcrypt' is deprecated since PHP 7.1 and removed since PHP 7.2; Use openssl (preferred) or pecl/mcrypt once available instead

Hi,
I am facing the following errors after php 7.2 upgrade.

181 | ERROR | Extension 'mcrypt' is deprecated since PHP 7.1 and removed since PHP 7.2; Use openssl (preferred) or pecl/mcrypt once available instead
181 | ERROR | Function mcrypt_decrypt() is deprecated since PHP 7.1 and removed since PHP 7.2; Use OpenSSL instead
181 | ERROR | The constant "MCRYPT_RIJNDAEL_256" is deprecated since PHP 7.1 and removed since PHP 7.2
181 | ERROR | The constant "MCRYPT_MODE_ECB" is deprecated since PHP 7.1 and removed since PHP 7.2
181 | ERROR | Extension 'mcrypt' is deprecated since PHP 7.1 and removed since PHP 7.2; Use openssl (preferred) or pecl/mcrypt once available instead
181 | ERROR | Function mcrypt_create_iv() is deprecated since PHP 7.1 and removed since PHP 7.2; Use random_bytes() or OpenSSL instead
181 | ERROR | Extension 'mcrypt' is deprecated since PHP 7.1 and removed since PHP 7.2; Use openssl (preferred) or pecl/mcrypt once available instead
181 | ERROR | Function mcrypt_get_iv_size() is deprecated since PHP 7.1 and removed since PHP 7.2; Use OpenSSL instead
181 | ERROR | The constant "MCRYPT_RIJNDAEL_256" is deprecated since PHP 7.1 and removed since PHP 7.2
181 | ERROR | The constant "MCRYPT_MODE_ECB" is deprecated since PHP 7.1 and removed since PHP 7.2
181 | ERROR | The constant "MCRYPT_RAND" is deprecated since PHP 7.1 and removed since PHP 7.2
183 | ERROR | list() will assign variable from left-to-right since PHP 7.0. Ensure all variables in list() are unique to prevent unexpected results.
path : \webform2pdf\includes\webform2pdf.download.inc

408 | ERROR | list() will assign variable from left-to-right since PHP 7.0.Ensure all variables in list() are unique to prevent unexpected
results.
path : webform2pdf\webform2pdf.install

662 | ERROR | Extension 'mcrypt' is deprecated since PHP 7.1 and removed since PHP 7.2; Use openssl (preferred) or pecl/mcrypt once available instead
662 | ERROR | Function mcrypt_encrypt() is deprecated since PHP 7.1 and removed since PHP 7.2; Use OpenSSL instead
662 | ERROR | The constant "MCRYPT_RIJNDAEL_256" is deprecated since PHP 7.1 and removed since PHP 7.2
662 | ERROR | The constant "MCRYPT_MODE_ECB" is deprecated since PHP 7.1 and removed since PHP 7.2
662 | ERROR | Extension 'mcrypt' is deprecated since PHP 7.1 and removed since PHP 7.2; Use openssl (preferred) or pecl/mcrypt once available instead
662 | ERROR | Function mcrypt_create_iv() is deprecated since PHP 7.1 and removed since PHP 7.2; Use random_bytes() or OpenSSL instead
662 | ERROR | Extension 'mcrypt' is deprecated since PHP 7.1 and removed since PHP 7.2; Use openssl (preferred) or pecl/mcrypt once available instead
662 | ERROR | Function mcrypt_get_iv_size() is deprecated since PHP 7.1 and removed since PHP 7.2; Use OpenSSL instead
662 | ERROR | The constant "MCRYPT_RIJNDAEL_256" is deprecated since PHP 7.1 and removed since PHP 7.2
662 | ERROR | The constant "MCRYPT_MODE_ECB" is deprecated since PHP 7.1 and removed since PHP 7.2
662 | ERROR | The constant "MCRYPT_RAND" is deprecated since PHP 7.1 andremoved since PHP 7.2
path:\webform2pdf\webform2pdf.module