PHP 7 deprecation warnings

[nekohayo]

This is what will happen with wp-tiles with PHP 7.x:

FILE: wp-tiles/vafpress-framework/includes/wpalchemy/MetaBox.php
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FOUND 1 ERROR AND 1 WARNING AFFECTING 2 LINES
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 453 | WARNING | Use of deprecated PHP4 style class constructor is not supported since PHP 7.
 545 | ERROR   | preg_replace() - /e modifier is deprecated since PHP 5.5 and removed since PHP 7.0
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FILE: wp-tiles/vafpress-framework/bootstrap.php
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FOUND 0 ERRORS AND 1 WARNING AFFECTING 1 LINE
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 195 | WARNING | Function create_function() is deprecated since PHP 7.2; Use an anonymous function instead