Typically you will use the PHP ternary operator with isset as shown in the following example. ![]() The isset function can be used to find out if a variable is set and not NULL. In this final article on the series on new features in PHP 7.x, we shall discuss improvements to arrays, operators, constants, and exception handling. In this series of articles, we discuss new features across the various PHP 7.x versions. PHP 7.x brings several improvements and new features that touch all aspects of the language, including better support for object oriented programming, extensions to classes and interfaces, improvements to the type system, error handling, and more. PHP 7.3 adds support for reference assignments in array and list() destructuring.PHP 7.3 introduces flexible Heredoc and Nowdoc syntax for better readability.With PHP 7.0.0, keywords may be used as identifiers.PHP 7 supports specifying multiple exceptions in the same catch block of a try/catch statement.PHP 7.1 adds support for class constant visibility, using which constants may be declared public, protected and private. ![]()
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