PHP Warnings and Errors

Hi Cory,

After finally getting an update for the PHP Compatibility Checker, which still only checks up to PHP 7.3, I ran it on one of my sites running PHP 7.4 and was surprised to get many warnings and errors. Can you please take a look at the results:

File: /wp-content/plugins/duplicator/classes/class.db.php
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FOUND 1 ERROR AFFECTING 1 LINE
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 251 | ERROR | Extension 'mysql_' is deprecated since PHP 5.5 and removed since PHP 7.0; Use mysqli instead
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File: /wp-content/plugins/duplicator/classes/class.logging.php
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FOUND 1 WARNING AFFECTING 1 LINE
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 266 | WARNING | Since PHP 7.0, functions inspecting arguments, like debug_backtrace(), no longer report the original value as passed to a parameter, but will instead provide the current value. The parameter "$msg" was used, and possibly changed (by reference), on line 265.
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File: /wp-content/plugins/duplicator/classes/utilities/class.u.php
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FOUND 1 ERROR AFFECTING 1 LINE
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 152 | ERROR | Since PHP 7.0, functions inspecting arguments, like func_get_args(), no longer report the original value as passed to a parameter, but will instead provide the current value. The parameter "$key" was changed on line 136.
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File: /wp-content/plugins/duplicator/installer/dup-installer/classes/Crypt/Random.php
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FOUND 5 ERRORS AFFECTING 2 LINES
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  77 | ERROR | Extension 'mcrypt' is deprecated since PHP 7.1 and removed since PHP 7.2; Use openssl (preferred) or pecl/mcrypt once available instead
  77 | ERROR | Function mcrypt_create_iv() is deprecated since PHP 7.1 and removed since PHP 7.2; Use random_bytes() or OpenSSL instead
 116 | ERROR | Extension 'mcrypt' is deprecated since PHP 7.1 and removed since PHP 7.2; Use openssl (preferred) or pecl/mcrypt once available instead
 116 | ERROR | Function mcrypt_create_iv() is deprecated since PHP 7.1 and removed since PHP 7.2; Use random_bytes() or OpenSSL instead
 116 | ERROR | The constant "MCRYPT_DEV_URANDOM" is deprecated since PHP 7.1 and removed since PHP 7.2
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File: /wp-content/plugins/duplicator/installer/dup-installer/classes/Crypt/Base.php
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FOUND 44 ERRORS AND 2 WARNINGS AFFECTING 26 LINES
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  651 | WARNING | Since PHP 7.0, functions inspecting arguments, like func_get_args(), no longer report the original value as passed to a parameter, but will instead provide the current value. The parameter "$method" was used, and possibly changed (by reference), on line 649.
  829 | ERROR   | Extension 'mcrypt' is deprecated since PHP 7.1 and removed since PHP 7.2; Use openssl (preferred) or pecl/mcrypt once available instead
  829 | ERROR   | Function mcrypt_generic_init() is deprecated since PHP 7.1 and removed since PHP 7.2; Use OpenSSL instead
  862 | ERROR   | Extension 'mcrypt' is deprecated since PHP 7.1 and removed since PHP 7.2; Use openssl (preferred) or pecl/mcrypt once available instead
  862 | ERROR   | Function mcrypt_generic_init() is deprecated since PHP 7.1 and removed since PHP 7.2; Use OpenSSL instead
  865 | ERROR   | Extension 'mcrypt' is deprecated since PHP 7.1 and removed since PHP 7.2; Use openssl (preferred) or pecl/mcrypt once available instead
  865 | ERROR   | Function mcrypt_generic() is deprecated since PHP 7.1 and removed since PHP 7.2; Use OpenSSL instead
  870 | ERROR   | Extension 'mcrypt' is deprecated since PHP 7.1 and removed since PHP 7.2; Use openssl (preferred) or pecl/mcrypt once available instead
  870 | ERROR   | Function mcrypt_generic() is deprecated since PHP 7.1 and removed since PHP 7.2; Use OpenSSL instead
  879 | ERROR   | Extension 'mcrypt' is deprecated since PHP 7.1 and removed since PHP 7.2; Use openssl (preferred) or pecl/mcrypt once available instead
  879 | ERROR   | Function mcrypt_generic() is deprecated since PHP 7.1 and removed since PHP 7.2; Use OpenSSL instead
  889 | ERROR   | Extension 'mcrypt' is deprecated since PHP 7.1 and removed since PHP 7.2; Use openssl (preferred) or pecl/mcrypt once available instead
  889 | ERROR   | Function mcrypt_generic() is deprecated since PHP 7.1 and removed since PHP 7.2; Use OpenSSL instead
  892 | ERROR   | Extension 'mcrypt' is deprecated since PHP 7.1 and removed since PHP 7.2; Use openssl (preferred) or pecl/mcrypt once available instead
  892 | ERROR   | Function mcrypt_generic_init() is deprecated since PHP 7.1 and removed since PHP 7.2; Use OpenSSL instead
 1141 | ERROR   | Extension 'mcrypt' is deprecated since PHP 7.1 and removed since PHP 7.2; Use openssl (preferred) or pecl/mcrypt once available instead
 1141 | ERROR   | Function mcrypt_generic_init() is deprecated since PHP 7.1 and removed since PHP 7.2; Use OpenSSL instead
 1169 | ERROR   | Extension 'mcrypt' is deprecated since PHP 7.1 and removed since PHP 7.2; Use openssl (preferred) or pecl/mcrypt once available instead
 1169 | ERROR   | Function mcrypt_generic() is deprecated since PHP 7.1 and removed since PHP 7.2; Use OpenSSL instead
 1174 | ERROR   | Extension 'mcrypt' is deprecated since PHP 7.1 and removed since PHP 7.2; Use openssl (preferred) or pecl/mcrypt once available instead
 1174 | ERROR   | Function mcrypt_generic() is deprecated since PHP 7.1 and removed since PHP 7.2; Use OpenSSL instead
 1183 | ERROR   | Function mdecrypt_generic() is deprecated since PHP 7.1 and removed since PHP 7.2; Use OpenSSL instead
 1186 | ERROR   | Extension 'mcrypt' is deprecated since PHP 7.1 and removed since PHP 7.2; Use openssl (preferred) or pecl/mcrypt once available instead
 1186 | ERROR   | Function mcrypt_generic_init() is deprecated since PHP 7.1 and removed since PHP 7.2; Use OpenSSL instead
 1648 | ERROR   | Extension 'mcrypt' is deprecated since PHP 7.1 and removed since PHP 7.2; Use openssl (preferred) or pecl/mcrypt once available instead
 1648 | ERROR   | Function mcrypt_list_algorithms() is deprecated since PHP 7.1 and removed since PHP 7.2; Use OpenSSL instead
 1727 | ERROR   | Extension 'mcrypt' is deprecated since PHP 7.1 and removed since PHP 7.2; Use openssl (preferred) or pecl/mcrypt once available instead
 1727 | ERROR   | Function mcrypt_module_close() is deprecated since PHP 7.1 and removed since PHP 7.2; Use OpenSSL instead
 1728 | ERROR   | Extension 'mcrypt' is deprecated since PHP 7.1 and removed since PHP 7.2; Use openssl (preferred) or pecl/mcrypt once available instead
 1728 | ERROR   | Function mcrypt_module_close() is deprecated since PHP 7.1 and removed since PHP 7.2; Use OpenSSL instead
 1733 | ERROR   | Extension 'mcrypt' is deprecated since PHP 7.1 and removed since PHP 7.2; Use openssl (preferred) or pecl/mcrypt once available instead
 1733 | ERROR   | Function mcrypt_module_close() is deprecated since PHP 7.1 and removed since PHP 7.2; Use OpenSSL instead
 1846 | ERROR   | The constant "MCRYPT_MODE_ECB" is deprecated since PHP 7.1 and removed since PHP 7.2
 1847 | ERROR   | The constant "MCRYPT_MODE_CBC" is deprecated since PHP 7.1 and removed since PHP 7.2
 1849 | ERROR   | The constant "MCRYPT_MODE_NOFB" is deprecated since PHP 7.1 and removed since PHP 7.2
 1850 | ERROR   | The constant "MCRYPT_MODE_STREAM" is deprecated since PHP 7.1 and removed since PHP 7.2
 1853 | ERROR   | Extension 'mcrypt' is deprecated since PHP 7.1 and removed since PHP 7.2; Use openssl (preferred) or pecl/mcrypt once available instead
 1853 | ERROR   | Function mcrypt_module_open() is deprecated since PHP 7.1 and removed since PHP 7.2; Use OpenSSL instead
 1854 | ERROR   | Extension 'mcrypt' is deprecated since PHP 7.1 and removed since PHP 7.2; Use openssl (preferred) or pecl/mcrypt once available instead
 1854 | ERROR   | Function mcrypt_module_open() is deprecated since PHP 7.1 and removed since PHP 7.2; Use OpenSSL instead
 1860 | ERROR   | Extension 'mcrypt' is deprecated since PHP 7.1 and removed since PHP 7.2; Use openssl (preferred) or pecl/mcrypt once available instead
 1860 | ERROR   | Function mcrypt_module_open() is deprecated since PHP 7.1 and removed since PHP 7.2; Use OpenSSL instead
 1860 | ERROR   | The constant "MCRYPT_MODE_ECB" is deprecated since PHP 7.1 and removed since PHP 7.2
 1865 | ERROR   | Extension 'mcrypt' is deprecated since PHP 7.1 and removed since PHP 7.2; Use openssl (preferred) or pecl/mcrypt once available instead
 1865 | ERROR   | Function mcrypt_generic_init() is deprecated since PHP 7.1 and removed since PHP 7.2; Use OpenSSL instead
 2558 | WARNING | Function create_function() is deprecated since PHP 7.2; Use an anonymous function instead
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File: /wp-content/plugins/duplicator/installer/dup-installer/classes/class.logging.php
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FOUND 0 ERRORS AND 3 WARNINGS AFFECTING 3 LINES
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 119 | WARNING | Since PHP 7.0, functions inspecting arguments, like debug_backtrace(), no longer report the original value as passed to a parameter, but will instead provide the current value. The parameter "$logging" was used, and possibly changed (by reference), on line 116.
 135 | WARNING | Since PHP 7.0, functions inspecting arguments, like debug_backtrace(), no longer report the original value as passed to a parameter, but will instead provide the current value. The parameter "$logging" was used, and possibly changed (by reference), on line 132.
 376 | WARNING | Since PHP 7.0, functions inspecting arguments, like debug_print_backtrace(), no longer report the original value as passed to a parameter, but will instead provide the current value. The parameter "$errno" was used, and possibly changed (by reference), on line 353.
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File: /home/u396629773/domains/freehostingreviews.tk/public_html/wp-content/plugins/duplicator/lib/dup_archive/tester/datester.php
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FOUND 1 ERROR AFFECTING 1 LINE
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 550 | ERROR | "$this" can no longer be used in a plain function or method since PHP 7.1.
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File: /wp-content/plugins/duplicator/lib/forceutf8/Encoding.php
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FOUND 0 ERRORS AND 1 WARNING AFFECTING 1 LINE
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 307 | WARNING | INI directive 'mbstring.func_overload' is deprecated since PHP 7.2
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FILE: /wp-content/plugins/duplicator/lib/snaplib/class.snaplib.u.util.php
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FOUND 2 ERRORS AFFECTING 2 LINES
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 127 | ERROR | Since PHP 7.0, functions inspecting arguments, like func_get_args(), no longer report the original value as passed to a parameter, but will instead provide the current value. The parameter "$key" was changed on line 111.
 449 | ERROR | The function array_key_first() is not present in PHP version 7.2 or earlier
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